|Exam Name||:||Architecting HP CloudSystem Solutions - Delta|
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|Updated On||:||February 21, 2019|
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HP claims to have put private cloud, hybrid cloud and possibly public cloud in its pocket to promote to enterprises and service suppliers. but CloudSystem, because it is usual, isn't so tons a platform as a set of intersecting HP products and roadmaps to get cloud capabilities -- elastic, self-carrier provisioning, storage and metered use -- into your information center.
At heart, or not it's the Cloud service Automation application that makes or breaks the HP cloud.
there is CloudSystem Matrix, CloudSystem business, CloudStart answer, Cloud provider Automation, Cloud carrier birth, CloudMaps, Cloud Matrix working ambiance, CloudSystem protection, CloudAgile, and on and on. HP suddenly has lots of stuff stamped "cloud." What's more, there's no reduce-wrap; you choose bits right here and there, and HP helps you deploy and tune it. happily, there may be as a minimum one instance within the wild to see what in reality constitutes an "HP cloud."
"yes, they do have a lot to study," pointed out Christian Teeft, VP of engineering for facts middle operator and services provider Latisys. Teeft referred to Latisys can also smartly have the primary live CloudSystem atmosphere at an HP consumer. Latisys is using the system to sell cloud infrastructure functions, which come in "inner most" and "semi-inner most" alternatives; dedicated clouds for customers, because it had been.
Teeft mentioned Latisys deliberately leaned far from startups and smaller cloud platform vendors, talking to commercial enterprise providers and different carrier providers like NewScale, Joyent, BMC and others about automation, however HP had the nation membership marquee customers and Teeft appreciated the combination with HP's hardware.
"There are synergies with HP around hardware blade methods and ISS," he spoke of.
business general Server expertise Communications (ISS expertise communications) is HP's method of distributing expertise publications and techniques to users, slightly like Microsoft's TechNet.
Teeft observed cloud computing for enterprise consumers became fitting a fairly mainstream request, youngsters exact usage may be exploratory or restricted to certain workloads, all new purchasers wanted to see the skill obtainable.
"it be a checkmark on loads of RFPs and RFIs nowadays," he said.
HP also touts the skill of CloudSystem to make use of exterior public cloud capabilities. Teeft mentioned he turned into aware about the potential to do hybrid clouds however that wasn't central to him. Latisys' cloud is unequivocally staying excessive and dry from melding with other services.
"Our workload goes to dwell within our four partitions for now," he talked about.
Teeft pointed out CloudSystem had two other key merits for a service provider. it's hypervisor agnostic, meaning they could serve greater than simply VMware users, and in contrast to cloud-in-a-container solutions like the vBlock or Oracle's Exalogic or Cisco's UCS, it will probably run off a small hardware allotment at first.
"It allowed us to do a unique scale… we failed to should sink just a few million bucks right into a vBlock or some thing," he mentioned.
So what precisely is CloudSystem?The primary part of CloudSystem is the Cloud carrier Automation software, which is in accordance with Opsware. HP is selling three core accessories: HP Converged Infrastructure (running whatever thing referred to as the Matrix operating atmosphere), Cloud provider Automation (CSA) and HP's personal guide services to maintain it operating.
The Matrix OE is HP insight, truly, and handles low-level provisioning, monitoring and administration for physical and digital supplies. It additionally helps with network management by means of hooking into HP digital connect commercial enterprise manager (VCEM). Cloud carrier Automation is by and large Opsware, which HP obtained in 2007. That provides everything else mandatory to show your infrastructure right into a cloud -- the user interfaces (and user management), provisioning tools, configuration and workflow equipment, and management/monitoring shows -- a front-end resource supervisor and orchestration tool. it may well faucet into HP's personal Infrastructure as a carrier choices when those come on-line and with other public cloud functions like Amazon web features, in response to the literature.
HP says that HP blades and 3PAR storage are the hardware part for CloudSystem, however say most x86-based servers and SAN storage can work with the Cloud carrier Automation application.
"They also promote that one at a time, so that you can just buy the software answer and put it for your hardware," observed Forrester analyst Lauren Nelson, who has spoken to a handful of CloudSystem early adopters.
Nelson observed that the CSA cloud platform offers all of the integral add-ons to show a bunch of servers into whatever thing similar to Amazon internet capabilities or Rackspace Cloud. The person interface is never polished, in keeping with Nelson, but the functionality is there; it is on par with products like Eucalyptus, Abiquo and Cloud.com.
"With Abiquo, that you could trade the colour of the interface background, I think," talked about Nelson.
The purpose HP is promoting the utility one by one as a substitute of an exclusive hardware/utility bundle is that it desires to please each side: providers like Latisys, and additionally the consumers who are on the fence about working their personal infrastructure or outsourcing. there's a powerful impulse in organizations to do some thing in the means of private cloud this year, said Nelson, however users need to delivery small if they maybe can.
HP all of sudden has a lot of stuff stamped "cloud."
"if your infrastructure is actually behind, you're going to be a hardware/software answer or hosted deepest cloud," she observed. "when you are now not somewhat as involved concerning the hardware, you should be would becould very well be taking a look at just the application this year."
HP has a couple of additional software enhancements for the bottom platform, like Tipping aspect, which gives some network safety, intrusion detection and site visitors management features. CloudMaps are templates for the platform according to average commercial enterprise software stacks, HP ArcSight will also be used for compliance, HP Storage necessities and the like. Aggregation Platform for SaaS (AP4SaaS) has billing and templates for utility as a carrier suppliers baked in. All of those are sideshows to the Cloud provider Automation software.
IT giants compete for cloud dominanceNelson spoke of that, presently, best HP and IBM have an entire package to present corporations round private cloud, meaning completely built-in hardware and utility to run and support it. Dell's partnerships with Joyent and Microsoft (Hyper-V fast song) and its own virtual Infrastructure gadget (VIS) weren't on the same stage, and the pure-play cloud platforms require lots of work to tune for quite a lot of forms of infrastructure. they're also a riskier bet, because the organizations have an unclear future.
HP has put up a large tent for its deepest cloud products and piled it filled with bric-a-brac. At heart, despite the fact, or not it's the Cloud provider Automation utility that makes or breaks the HP cloud. Experimenting with and adopting cloud products in residence is immediately becoming a truth for many businesses, and the large vendors are evidently attempting to step as much as the plate. but when nothing else, this is yet an additional technique to display that cloud computing is not just greater of the equal historic facts center operations.
Carl Brooks is the Senior know-how creator for SearchCloudComputing.com. Contact him at firstname.lastname@example.org.
HP Expands Cloud leadership, Hybrid birth of Openstack-based technology With subsequent-era HP CloudSystem
BARCELONA, SPAIN--(Marketwired - Dec eleven, 2013) - HP (NYSE: HPQ) nowadays accelerated its cloud portfolio with new solutions and services that present enterprises more desirable agility, simplified administration and superior protection for his or her hybrid environments.
As corporations embrace new delivery models, one of the most greatest decisions chief counsel officers (CIOs) should make on their cloud adventure is picking where functions or workloads should still are living -- on common IT or within the cloud. often, functions will proceed to live throughout diverse environments, and hybrid start turns into an integral. research suggests that forty p.c of organisations say they're at present in a hybrid ambiance(1) and 75 % of IT executives plan to pursue a hybrid cloud birth model through 2016.(2)
HP is focused on supplying hybrid solutions that bridge typical IT with deepest, public and managed clouds. New options announced this week build on this approach, together with the introduction of the subsequent-era HP CloudSystem, HP's flagship providing for constructing and managing deepest clouds.
HP turned into lately ranked as a leader in the Forrester Wave record for personal Cloud solutions:
"HP leads the pack. [It provides] a clean and navigable interface that wraps immense depth and breadth of capabilities into the fewest variety of interfaces," writes Lauren E. Nelson, analyst, in a contemporary Forrester file. "not like different carriers during this area, HP adds performance right into a single interface as a rule devoid of making the general event much less intuitive." (3)
enterprise-grade, open hybrid cloud options and capabilities The next-technology HP CloudSystem includes a new client-impressed user interface, simplified administration tools and an improved deployment process that allow consumers to installation and set up a complete private cloud ambiance in just hours, in comparison to weeks for other deepest cloud options.(4) because the groundwork of a hybrid cloud solution, HP CloudSystem bursts to varied public cloud structures, including three new ones: Microsoft® windows® Azure, and structures from Arsys, a eu-primarily based cloud computing issuer, and SFR, a French telecommunications business.
HP CloudSystem integrates OpenStack™-primarily based HP Cloud OS technology, the groundwork for HP's hybrid cloud architecture, offering consumers a hardened, confirmed OpenStack distribution that's easy to install and control. The next-generation CloudSystem also comprises the new HP Hybrid Cloud management Platform, a comprehensive administration solution that permits corporations and service suppliers to carry secure cloud functions throughout public or deepest clouds as well as normal IT.
also launching this week, the HP Hybrid Cloud management Platform integrates HP Cloud service Automation (CSA) version four.0 and includes native assist for both HP CloudOS with OpenStack and the open-source normal TOSCA (Topology and Orchestration Specification for Cloud purposes), enabling less complicated utility portability and management of hybrid and heterogeneous IT environments.
To assist consumers architect and put in force a hybrid cloud method, HP is adding a new hybrid-design potential to its international knowledgeable services capabilities. HP Hybrid Cloud Design knowledgeable functions present a totally modular design method to help organizations architect a cloud solution that aligns with their technical, organizational and company wants. the brand new consulting services assist valued clientele evolve their cloud method and imaginative and prescient into a solution in keeping with providing company outcomes and equipped for implementation.
HP is increasing its digital deepest Cloud (VPC) offering, which is already helping tons of of customers worldwide take advantage of the economics of a public cloud with the protection and handle of a non-public cloud solution. the new HP VPC Portfolio offers various VPC solutions, from standardized self service to a customized, fully managed carrier model. All HP VPC options bring the security and control of a private cloud in a flexible, low-priced, multitenant cloud environment. The newest version of HP Managed VPC now allows for shoppers to opt for among virtual or actual configurations, assorted tiers of storage, hypervisors and community connectivity varieties.
As part of its normal hybrid delivery, HP presents HP bendy skill (FC), an on-premises answer of enterprise-grade infrastructure with cloud economics, including pay-for-use and fast scalability of server, storage, networking and utility potential. Now HP FC supports existing client third-birthday celebration equipment for a true heterogeneous atmosphere. HP CloudSystem can also burst to HP FC infrastructure for consumers wanting the on-demand potential without the records ever leaving the premises.
"The fact these days is that CIOs need and wish the merits of cloud computing, but they are dealing with the complexities of a hybrid IT ambiance," referred to Saar Gillai, senior vp and conventional manager, HP Cloud. "HP Cloud solutions deliver enterprises with a holistic and simplified method for deploying, securing and managing workloads across hybrid beginning fashions, making certain a a success cloud experience."
Pricing and availability all of the HP Cloud options and functions will also be bought from a single HP cloud earnings team or account manager, making it less difficult for customers to plan and purchase from HP.
additional information about the new cloud solutions is accessible at www.hp.com/cloud.
About HP HP creates new possibilities for expertise to have a significant influence on individuals, corporations, governments and society. With the broadest expertise portfolio spanning printing, personal systems, application, features and IT infrastructure, HP delivers options for shoppers' most complex challenges in each region of the realm. greater information about HP is purchasable at http://www.hp.com.
(1) HP cloud security analysis, October 2013.(2) "HP Cloud and assistance Optimization," Coleman Parkes research, Ltd., October 2012.(three) HP named "chief" in Forrester Wave™: private Cloud options, November 2013.(four) in keeping with HP inner trying out, November 2013.
Microsoft and home windows are U.S. registered trademarks of the Microsoft neighborhood of agencies. The OpenStack® observe Mark and OpenStack brand are either registered emblems/carrier marks or logos/carrier marks of OpenStack, LLC, in the united states and other international locations and are used with OpenStack LLC's permission. We aren't affiliated with, endorsed or backed by using OpenStack LLC, the OpenStack Advisory Board, or the OpenStack community.
This information release carries forward-searching statements that contain risks, uncertainties and assumptions. If such dangers or uncertainties materialize or such assumptions prove fallacious, the effects of HP and its consolidated subsidiaries could differ materially from those expressed or implied by means of such ahead-searching statements and assumptions. All statements other than statements of historic truth are statements that may well be deemed ahead-looking statements, including but no longer restrained to statements of the plans, suggestions and objectives of administration for future operations; any statements regarding expected construction, performance, market share or aggressive performance relating to items and functions; any statements concerning expected operational and monetary results; any statements of expectation or perception; and any statements of assumptions underlying any of the foregoing. hazards, uncertainties and assumptions encompass the should address the numerous challenges dealing with HP's companies; the aggressive pressures faced with the aid of HP's businesses; dangers linked to executing HP's method; the impact of macroeconomic and geopolitical tendencies and events; the deserve to manage third birthday celebration suppliers and the distribution of HP's items and features quite simply; the insurance policy of HP's intellectual property property, including intellectual property licensed from third events; hazards associated with HP's foreign operations; the development and transition of recent items and services and the enhancement of current items and services to fulfill consumer wants and respond to rising technological tendencies; the execution and efficiency of contracts by way of HP and its suppliers, purchasers and companions; the hiring and retention of key personnel; integration and different hazards linked to company combination and funding transactions; the execution, timing and results of restructuring plans, including estimates and assumptions involving the can charge and the anticipated merits of imposing those plans; the decision of pending investigations, claims and disputes; and different dangers that are described in HP's Quarterly report on form 10-Q for the fiscal quarter ended April 30, 2013 and HP's other filings with the Securities and exchange fee, including HP's Annual report on form 10-k for the fiscal year ended October 31, 2012. HP assumes no duty and does not intend to update these forward-searching statements.
© 2013 Hewlett-Packard building business, L.P. The tips contained herein is subject to change with out notice. The best warranties for HP products and functions are set forth in the categorical guarantee statements accompanying such items and services. Nothing herein should still be construed as constituting an further assurance. HP shall now not be answerable for technical or editorial errors or omissions contained herein.
We promised you greater counsel on the large doings over at HP's certification application, and right here it is! study this text to learn about alterations to the structure of the HP certification software and the way the new cloud computing certifications fit in.
in the past month or two, HP has made some big enhancements to the world HP ExpertONE training and certification software. The changes had been made to benefit IT professionals who architect, enforce or administer options according to HP technologies in addition to HP's channel partners.Revamped HP ExpertONE certification constitution
As of November 1, 2011, HP ExpertONE presents two certification tracks: profession certifications for all IT specialists, and Affiliate certifications for HP employees and HP reseller channel companions. HP has consolidated and renamed its certifications to reflect the broader latitude of job advantage they cover and to simplify the certification portfolio.
The career certification track is designed for technical specialists attracted to furthering their careers and alternatives working with HP products and solutions. This new constitution presents four levels of achievement:
The Affiliate certification track is restricted to HP channel partners, HP employees and certified self-maintainers. The Affiliate tune comprises 3 job roles: revenue, Technical and assist.
When existing models of ASC, ASP, APP, and APS certifications are up to date, they could be versioned into this new constitution, a method which begun on November 1, 2011.Cloud Computing Certifications
HP ExpertONE currently introduced three high level cloud certifications. the new certifications delivered to the HP ExpertONE Converged Infrastructure software center of attention on HP CloudSystem. HP CloudSystem is an built-in and open platform for building and managing functions across private, public and hybrid cloud environments.
talk over with the HP ExpertONE site for more details in regards to the certification tracks.
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We promised you more information on the big doings over at HP's certification program, and here it is! Read this article to learn about changes to the structure of the HP certification program and how the new cloud computing certifications fit in.
In the past month or two, HP has made some significant enhancements to the global HP ExpertONE training and certification program. The changes were made to benefit IT professionals who architect, implement or administer solutions based on HP technologies as well as HP's channel partners.Revamped HP ExpertONE certification structure
As of November 1, 2011, HP ExpertONE offers two certification tracks: Career certifications for all IT professionals, and Affiliate certifications for HP employees and HP reseller channel partners. HP has consolidated and renamed its certifications to reflect the broader range of job skills they cover and to simplify the certification portfolio.
The Career certification track is designed for technical professionals interested in furthering their careers and opportunities working with HP products and solutions. This new structure offers 4 levels of achievement:
The Affiliate certification track is restricted to HP channel partners, HP employees and authorized self-maintainers. The Affiliate track includes 3 job roles: Sales, Technical and Support.
When current versions of ASC, ASP, APP, and APS certifications are updated, they will be versioned into this new structure, a process which began on November 1, 2011.Cloud Computing Certifications
HP ExpertONE recently announced three high level cloud certifications. The new certifications added to the HP ExpertONE Converged Infrastructure program focus on HP CloudSystem. HP CloudSystem is an integrated and open platform for building and managing services across private, public and hybrid cloud environments.
Visit the HP ExpertONE website for more details about the certification tracks.
Stuart J. Johnston, Senior News Writer
As part of a continued effort to become a major cloud player, HP trotted out several updates to its recently released Converged Cloud portfolio.
While at least one HP cloud user said the improvements are valuable, some potential customers remain unimpressed with the company’s cloud strategy, saying the server maker is not only late to the party, but behind as well.
“There is nothing 'next generation' about HP's announcement," said Shlomo Swidler, CEO of Orchestratus Inc., a cloud computing consultancy in West Hempstead, N.Y. "Like Oracle, HP is playing catch-up with the grassroots phenomenon that has led to cloud.”There is nothing 'next generation' about HP's announcement.
Shlomo Swidler, CEO of Orchestratus Inc.
In fact, HP just debuted Converged Cloud in April as a superset of its CloudSystem suite, which itself only arrived a year ago.
Despite criticism by some observers that HP's cloud marketing strategy is murky, HP is trying to turn that perception around and claims to already have garnered more than 650 CloudSystem customers.
Among the updated products unveiled this week at the company's Discover 2012 conference in Las Vegas was a standalone version of CloudSystem Matrix, an Infrastructure as a Service (IaaS) platform that the company claims will shorten public or hybrid cloud deployment times from weeks to as little as a day. It can be hosted on Microsoft Hyper-V or VMware software and on either HP or non-HP hardware.
HP’s hardware-agnostic approach is a smart move, as many enterprise customers already have an existing relationship with a preferred vendor for their hypervisor, storage and hardware, said Tony Wilburn, senior architect for ActioNet Inc., a cloud IT solution provider in Vienna, Va.
“Allowing [customers] to keep those relationships and layer [CloudSystem Matrix] on top of it makes it more palatable to executive-level decision makers,” Wilburn said.
Wilburn is in the very early stages of an HP cloud infrastructure project for a federal agency. Though there are some caveats, he said he likes what he has seen of CloudSystem Matrix so far.
“It can be set up in a day, but that is a limited setup," Wilburn said. "You really need Operations Orchestrator and CloudSystem Automation to have a complete offering."
HP is working on an update to its Cloud Services Automation package, available either as standalone or as part of CloudSystem Enterprise. The update, which is slated for availability in July, adds a graphical service designer and a self-service portal for business users.
HP has also enhanced the cloud bursting capabilities in HP Cloud Services and added support for bursting to either Amazon Web Services or Savvis public clouds.
"I don't know if bursting will be something our customer would use [but] it's nice to know that option does exist if we ever need it," Wilburn added.
The new cloud bursting capabilities and HP CloudSystem Matrix software will become available later this month, according to the company.
Stuart J. Johnston is Senior News Writer for SearchCloudComputing.com. Contact him at email@example.com.
Remember, a system landscape exists for each mySAP solution—if you deploy R/3, APO, CRM, and PLM, you will in effect be creating four different SAP system landscapes, one for each product. The focus in this and the following few sections, though, is on what one of these system landscapes looks like from a design and planning perspective, for example R/3 alone or APO alone.
In the most general form, an SAP system landscape consists of SAP instances (installations of the SAP database and application software) and SAP servers. In the Microsoft world of SAP implementations, there is a one-to-one correlation between instances and servers nearly all the time. That is, the Development instance resides on a dedicated Development server, the Test instance resides on a dedicated Test server, and so on. In the world of UNIX implementations, though, multiple instances can be often found on a single "larger" server. For example, both Development and Test instances can reside on a single server. And multiple application instances can be installed on a single server as well.
Until last year's release of SAP's Multiple Components, One Database (MCOD) initiative, there was a one-to-one correlation between instances and database systems, too, regardless of the Operating System platform. MCOD is beginning to change this, such that a single "larger" database can be leveraged for multiple instances. However, an important difference between MCOD and multiple instances/one server exists—MCOD ties the same type of databases within different SAP system landscapes together. With MCOD, all Development databases used by your R/3, SRM, CRM, and Workplace implementations can be one and the same. Similarly, all Test databases across R/3, SRM, CRM, and Workplace can be bundled together, too, as illustrated in Figure 3.3. Note, however, that in many cases SAP AG frowns on mixing OLTP and OLAP systems, or combining different databases within the same system landscape. In that regard, forcing an MCOD database server to host your R/3 system's Development and Test databases would therefore be unsupported and contrary to best practices.
Figure 3.3 A properly architected sample MCOD deployment is displayed for a typical mySAP enterprise consisting of R/3, CRM, SRM, and Workplace.
As we move forward with our basic understanding of SAP system landscapes, and seek to understand how your SAP solution vision impacts and is impacted by your landscape decisions, my hope is to achieve the following:
Note the relative importance and relationship of technology perspectives to our solution vision
Understand why each system landscape is important to fulfilling our vision
Note how the presence or absence of a particular system within a landscape impacts the other systems and ultimately the overall solution vision
All these design and planning approaches I cover tend to come into play in one manner or another across all mySAP implementations. It's how they are weighted or addressed that makes one system landscape different from the next.Simplifying Your SAP System Landscape
After spending time with hundreds of customers and SAP implementations, I think it is safe to say that when all things are equal, the desire to simplify emerges as an important driver. Simplification takes many forms, too. In the case of the SAP system landscape and how it fulfills our SAP solution vision, the desire to simplify manifests itself in any number of ways:
First, the pure number of instances will be reduced to the fewest necessary to get the job done "right" for a particular company. An organization focused on simplifying administrative, change management, systems management, operations, and other tasks will deploy a three-system or even a two-system landscape, whereas similar organizations without the same simplification goals can deploy more. There are trade-offs, of course. A system landscape without a dedicated test instance will, for example, be forced to perform testing in the same system used for development. Because of these kinds of limitations, simplification achieved through instance reductions is not as common as it has been in the past.
Instead, a more popular approach to simplification seeks to reduce the number of physical servers in a particular system landscape, by installing multiple instances on a single server. Consolidation of instances is becoming quite common in SAP customer environments today, as displayed in Figure 3.4.
Figure 3.4 Multiple SAP instances can be installed and configured on a single physical server, oftentimes reducing both acquisition and systems management costs down the road.
Similarly, deploying a shared disk subsystem and tape backup/restore solution also simplifies a very complex piece of the SAP Solution Stack. This is why my colleagues and I have spent so much time in the last two years designing and implementing Storage Area Networks, or SANs—they provide outstanding performance while simultaneously reducing system landscape complexity and allowing expensive resources like enterprise tape libraries to be shared between systems.
Another customer of mine shared with me why they went with the WebGUI as opposed to the classic SAPGUI approach to system accessibility—to simplify desktop support and maintenance requirements.
Companies that value simplification will also standardize on a particular solution stack option or approach, too, as this simplifies support and maintenance, and minimizes the need for a variety of onsite/reserved spare parts, the time spent in change management activities, and more.
Although simplification tends to work in one direction by encouraging a "do more with less" philosophy, our next topic goes the other route in that it purposefully introduces complexity and differences between various systems within a system landscape—high availability.High Availability and the SAP System Landscape
When it comes to high availability, many technology professionals automatically think about what it means to improve the availability of a particular system or hardware component—thoughts of basic HA offerings like clustering or redundancy come to mind. With regard to the broader topic of how your solution vision impacts your SAP system landscape, though, high availability equates to the following:
Business-driven requirements—HA offerings and approaches are normally implemented to satisfy specific business-oriented needs, and therefore form an integral part of your overall SAP solution vision.
Complexity—HA complicates the SAP system landscape, as HA offerings and approaches tend to only really exist or apply to the Production system and at minimum (hopefully!) another similarly configured system within the landscape.
Increased support needs—Because HA offerings are inherently complex, a very real need exists to prepare your SAP support organization in how to install it, update it, manage it, and troubleshoot HA issues.
To read more about how business requirements relate to high availability, see "Availability Planning—Documenting Requirements and Key Drivers," p. 167 in Chapter 6.Disaster Recovery Considerations
All companies implement a method of addressing Disaster Recovery (DR), whether or not they actually realize it. Even companies that do not add a dedicated DR system to their system landscape address disaster recovery. That is, their de facto disaster recovery plan simply reflects the challenges and timeframes surrounding rebuilding their SAP system from scratch, restoring from their latest tape backup, and imposing upon their end users to manually rekey any new business transactions lost between the last successful tape backup and the point at which the disaster occurred. This doesn't sound like much of a "plan," of course, but it does represent a baseline against which all other disaster recovery approaches and solutions can be weighed.
A host of DR approaches are discussed throughout Chapter 6, from those involving disk subsystem data replication solutions, to various clustering solutions, to database and mySAP-specific tactics. But when it comes to sifting the potential layout of your SAP system landscape through your solution vision, two general approaches fall out:
Both approaches are valid, and the first is more traditional. But I believe that the time and expense related to setting up, configuring, keeping current, and managing your own DR system explains the recent increase in outsourcing I've seen over the last two years.
To review some of the tasks and considerations inherent to addressing DR internally as opposed to outsourcing it, see "SAP General Availability and DR Best Practices," p. 207 in Chapter 6.
Companies that outsource the DR component of their SAP system landscape help to preserve their data, and access to this data, in that the outsourcer operates a completely independent data center, typically in a very different geographic location. For smaller and mid-size companies with only a single data center, the expense relief is tremendous. On the other hand, if the DR solution is maintained "in-house," so to speak, it will need to be housed in a separate facility. This alone is sure to drive complexity, cost, and even the architecture and makeup of both the SAP system landscape and its individual systems.Addressing Training Requirements
The SAP system landscape is directly impacted by the potential need to train SAP end users as well as the system's developers and technical support staff. Three different systems come into play, as illustrated in Figure 3.5:
A dedicated Training system is often implemented to assist in teaching users new to a particular mySAP component how to actually use the system. This amounts to business-process training as well as SAP user interface training (an excellent alternative to creating multiple training clients on the Test system, which is busy fulfilling integration responsibilities prior to Go-Live—the exact time when end users need to be trained!). To provide the most value to its students, the Training system needs to be an exact copy of Production.
A dedicated Technical Sandbox system is extremely useful in helping the SAP Technical Support Organization (SAP TSO) get up to speed on the entire SAP Solution Stack, especially with regard to new components and complex HA offerings (rather than attempting to get time on other systems for what could amount to crash-and-burn testing).
A dedicated Business Sandbox or Development Sandbox system allows developers unfamiliar with a particular mySAP component, or faced with integrating multiple components and other legacy systems, the opportunity to do so in a pure testing environment (rather than the real Development system).
Figure 3.5 These SAP training systems support the different needs of different organizations, from end users, to developers and programmers, to technical implementation specialists.
For details as to how the SAP system landscape satisfies the training needs of both the SAP Technical Support Organization and the production system's end users, see "Training and the Role of the SAP System Landscape," p. 314 in Chapter 9.
It can represent quite a challenge for the "customers" of one of these training systems to convince everyone that such a system is truly required. In my own experience, I have seen the lack of a Technical Sandbox really hurt an organization in terms of downtime due to botched infrastructure upgrades and changes to DR processes.
Another colleague of mine has more than once had to strongly push for the adoption of a Training system, too. Such a system allows for extensive informal user testing and practice outside of formally delivered training. He believes that this extra level of hands-on self-directed training is critical because your end-user community is best positioned of all groups to find business-process operational errors and limitations. And of course it is desirable to correct these issues well before Go-Live. But a consultant or even a senior super user is typically not positioned to push the adoption and use of a dedicated Training system. More often than not, it takes the SAP Steering Committee, the project's experienced management team, and the prodding of a knowledgeable SAP Solution Architect to do so. I cannot stress this enough—the risk is huge, in that you do not want to find out too late that not every business scenario works as it did during integration testing (for example, all types of contracts, all types of material movements, all kinds of accounting entries, and so on).The Performance-Driven System Landscape
When it comes to evaluating your solution vision against the layout of your SAP system landscape, it is important to ensure that the performance of the systems meets the needs of their different end-user communities. Most of the time, of course, the focus is on designing, installing, and configuring a well-performing Production system. Performance considerations usually relate back to what an end user will experience while on the system, including
Business transaction response times, or how long it takes to refresh your SAPGUI after pressing the Enter key, for example.
How quickly a background or "batch" job will execute, otherwise known as throughput.
How quickly a report or other query will make it through the system and actually be printed, sometimes called latency.
To read more about verifying that a Production system can meet performance expectations, see "Key SAP Stress-Testing Considerations," p. 580 in Chapter 16.
However, these same performance considerations apply to all of the other systems within the SAP system landscape, too. The Development system, for example, needs to exhibit excellent performance even while 25 or 50 or more developers are banging away at keyboards trying to build your custom mySAP solution. Similarly, your Test system needs to provide the performance necessary to get through integration testing. Even the Training system needs to provide adequate user response times so as to make the actual training experience more than something to be avoided.
High-performance considerations cover the gamut, touching every facet of every system within the landscape. This means that everything—from the performance of the network connecting each system, to each server's CPU, RAM, and disk configuration, to each system's OS, database, and mySAP component—must be addressed. Starting off on the right foot (with properly sized and configured hardware and software elements) is paramount, of course, but tuning all these solution stack pieces to create a cohesive well-running machine is just as important to achieving excellent performance. Like the weakest link in a chain, a single underperforming solution component will only throttle back the maximum performance otherwise obtainable from your system.Driving Scalability into Your System Landscape
The need for scalability, like high availability and excellent performance, is addressed primarily through the sizing process. Scalability does not pay off up front in terms of improved system availability or better user response times, though. Rather, scalability is all about paying for "headroom" in your system, headroom that is not actually needed at present but might be required in the near future. In other words, scalability addresses future planned and unplanned growth in your system.
This growth can manifest itself in a number of ways. In my experience in the real world, I have seen the results of unplanned growth hurt companies where scalability was never addressed, as in the following cases:
The number of end users increased at one of my new accounts, not due to more hiring than was anticipated when their mySAP.com solution was crafted, but because they unexpectedly acquired their competitor and doubled in size. We had six months to project the delta needed in terms of database and application server processing power and RAM requirements, followed by stress-testing the new design and finally implementing it.
More than one of my customers' databases grew so fast that they outstripped the results of their comprehensive three-year database sizing methodology in the first year! In most cases, the system we put in place for these customers was scalable—more disk drives could be added, smaller drives could be swapped with larger ones, and so on. In three cases in particular, though, the database growth was so explosive that a whole new disk subsystem platform needed to be brought in, and the recently acquired current platform retired (or redeployed) years earlier than expected.
When databases grow quickly, the tape backup/restore solution implemented often grows less effective as well. I have seen this most often in relatively small SAP implementations, where an initial investment in tape backup technology needed to be tossed in favor of tape solutions that backed up more data per tape cartridge, and did so fast enough to not exceed the customer's backup window (time allotted to perform a backup, which usually equates to planned downtime in the case of offline full backups).
It's been a while, but I also had a customer outgrow their network, too. Today, with switched networks and Gigabit Ethernet providing more than adequate bandwidth to every mySAP.com server component, and cheap 10- and 100-Megabit Ethernet prevalent across end-user workstations, there's no excuse for lacking network scalability.
Outstripping the capabilities of your current system such that a new platform is needed probably represents a worst-case scenario. Not only does the current Production component need to be replaced, but to support sound change control principles, so does the same component in your Test, Staging, and/or Technical Sandbox environments.
This is why hardware and software vendors tout things like "highly scalable system architectures," "enterprise versions" of particular Operating Systems and Database Systems, and so on—though not necessarily needed up front, the headroom that these approaches provide helps an organization feel more comfortable if they wind up growing faster than they expected. And hardware vendors in particular can position their SAP clients for improved scalability by practicing the following:
Specify server platforms that allow additional CPUs and RAM to be added as needed. In other words, avoid "maxing out" the box.
Alternatively, design SAP solutions such that they take advantage of SAP's support for horizontal scalability. This is one of my favorite approaches when it comes to SAP Application, Web AS, J2EE middleware, and ITS servers—I prefer to max them out with regard to processors, with the understanding that an incremental number of servers can be added at any time should the environment grow to require it (interestingly, although SAP has successfully tested a system running more than 160 application servers, it is rare to find customer implementations with more than 10 or 12).
Architect a solution for the appropriate level of vertical scalability. In other words, if a two-tier "Central System" (where all SAP software components execute on the same physical server) approach to sizing meets today's requirements, perhaps a three-tier solution will provide for unknown scalability requirements. In a three-tiered architecture, one database server and multiple application servers are configured as a single system image.
Architect a highly scalable database platform. As my real-world examples earlier in this list illustrate, this tends to be where a lack of scalability causes the most problems.
Hardware and software vendors alike spend a great deal of time "proving" how scalable their offerings are. As a first step, I suggest that benchmarks, customer references/feedback, and the results of tests published through white papers and other technical documents be reviewed by prospective mySAP customers. I also suggest that you begin considering new approaches to scalability. For example, HP's iCOD offering touts "capacity on demand." When a customer buys a server, for instance, it is fully populated with CPUs. The customer pays for only what is needed in the near term, however. Later, if it is determined that more processing power is required, the customer takes advantage of the in-place processors by merely applying for a license; no intrusive field upgrade or service call is required and therefore the need for planned downtime is drastically reduced.The TCO-Driven System Landscape
More than anything else, Total Cost of Ownership (TCO) drives what a solution vision actually looks like at the end of the day, when a mySAP solution is implemented and really being used. Discussions on TCO might instead be labeled Return on Investment (ROI), or might fall under the heading of investment protection. Regardless, a focus on lowering TCO seeks to find less expensive solution-stack alternatives that still meet the needs of the business.
To read more about the relationship between TCO and your SAP solution vision, see "How the SAP Solution Vision Drives TCO," p. 127 in Chapter 5.
When all other things are equal, the following points apply from a hardware perspective:
A hardware vendor's use of common components like CPUs and memory boards allows flexible sharing of resources between different SAP system landscapes and in some cases hardware platforms, too.
Similarly, common disk drive form factors reduce cost of ownership by increasing reusability.
Support for hot-pluggable and/or hot-add hardware components eliminates or worst-case minimizes downtime (can include hard drives, tape drives, power supplies, fans, and even RAM and processors).
Support for redundant components, like power supplies, disk drives, fans, and so on, also eliminates or minimizes downtime.
The ability to run mixed-speed CPUs or RAM in a particular platform protects that investment—CPUs and RAM do not have to be tossed aside when additional processing power or memory is required.
Outsourcing your entire SAP infrastructure/operations team is another potential method of reducing TCO. In fact, outsourcing can represent the biggest potential TCO factor that a company will consider. At this level, though, outsourcing becomes more of a strategic business solution that impacts a lot more than simply TCO. True, outsourcing can cut labor costs by 50%, and enhance flexibility of a technical support organization to easily change as business requirements change, but there are drawbacks and disadvantages as well (discussed later in this chapter).
Another solution vision approach that impacts the SAP system landscape from both a configuration and TCO perspective is the use of an Application Service Provider (ASP). ASPs can drive lower TCO by virtue of their application-specific expertise, above and beyond that provided by in-house staff and traditional outsourcing providers. For example:
An ASP can offer a preconfigured solution stack for the particular mySAP solution you want to implement. This is one reason why they look so good from a TCO perspective—design, deployment, manageability, operations, and other cost factors are substantially reduced due to a high level of both standardization and core competencies in the services they provide.
ASPs were more or less born out of the dot-com era, and by virtue of this, their data centers enjoy the benefit of fat redundant pipes to the Internet. Thus, mySAP.com applications are well positioned to take advantage of this flexible and powerful accessibility option.
ASPs offer interesting financing alternatives, in that they partner with various SAP technology partners to make leasing, pay-as-you-go, and other payment methods available.
The ASP provider market shrank over the last few years. The mySAP-focused companies that weathered these hard times seem even better prepared and well-positioned to host SAP solutions, however.Security Considerations
I know of no company that does not envision protecting its corporate computing assets. From a solution-stack security perspective, not all software vendors are created equal, however. Oracle touts its unbreakable database, UNIX vendors tout the robust security features of their operating environments, and so on. In my eyes, security features are very important, but good security is more often about managing and testing changes to a solution stack, by carefully identifying security holes and other weaknesses in new solution stack components before these components ever find themselves in Production.
However, companies that embrace and act upon the idea of protecting computing assets will prove to be better partners in the long run. This is why I believe that Oracle's focus on security will pay big dividends in terms of slowing the adoption of competing databases. And it is why I believe that the Trusted PC joint Intel, AMD, and Microsoft vision (once labeled by Microsoft as Palladium, and now referred to as the "next-generation secure computing base for Windows") will prove fruitful as well. Its goal is to build security into servers and PCs at a microprocessor level. New initiatives coming out of the Trusted Computing Platform Alliance promise to better secure our processing platforms, ensuring that only authorized applications and program executables can ever be executed by the system, and that all data housed on the system is encrypted so that it is useless to others. To this end, Microsoft considers Trusted PC a significant part of its Trustworthy Computing strategy—we should see something commercially available in this regard by 2004 that applies to server as well as desktop and other computing platforms.Manageability Considerations
No customers of mine have ever started their initial SAP implementation planning discussions with me by saying:"George, all that high-availability and performance stuff is fine, but what we really want is a nice manageable system. Can you do that for us?"
By the time Go-Live looms just over the horizon, though, every single one of them—without exception—has indicated a growing concern for manageability. Sure, it's there on the project plan, and any number of products can be used to support managing your mySAP environment. But the whole field of manageability is more complex and more work than you would imagine. Consider the following:
Each layer in the SAP Solution Stack must be managed; the risk of not keeping an eye on a particular layer or solution component affects the uptime of the entire system.
Because each layer is so different from the others, it's nearly impossible to find a single management product that can actually monitor and report on more than a few layers, much less the entire stack.
Therefore, the next best thing becomes trying to find a product that can at least interoperate successfully with other products.
At the end of the day, three, four, or even more tools and utilities must ultimately be fused together to provide a holistic view of a mySAP solution stack. This is challenging, to say the least!
To learn exactly how challenging piecing together a management approach can be, see "Systems Management Techniques for SAP," p. 511 in Chapter 14.
Because of the challenges inherent to managing hardware and software products from a lot of different solution stack vendors, some of my customers have purposely chosen less than "best-of-breed" products for their SAP solutions, so as to minimize the number of software partners involved. Or they have decided to reduce the number of partners and vendors altogether by selecting one of the big enterprise hardware/services vendors. The obvious partners are clear—HP, IBM, and Sun. For example, if you go with HP and choose to implement an rp8400-based server platform with an HP StorageWorks SAN, running HP-UX 11i, and managed by HP OpenView, the challenges inherent to managing four different vendors' products just dropped tremendously. Similar arguments could be made for going with an IBM or Sun solution stack, too—IBM even throws a couple of databases into the mix.The System Landscape and Accessibility
The last area I want to cover with regard to solution vision and the SAP system landscape is accessibility. Many companies over the last three or four years have started with a vision of dumping all application-specific interfaces in favor of browser-enabled solutions, so as to ease the burdens and costs associated with desktop/laptop management while opening up new accessibility approaches like hand-helds and other wireless devices. SAP has supported that vision since 1996, with the advent of Internet connectivity in R/3 3.1G. But only in the last few years have I really seen this take off.
SAP AG offers quite a few accessibility options today when it comes to mySAP solutions. The classic SAPGUI and its revamped and more capable EnjoySAP SAPGUI represent one end of the spectrum. This approach is safe, very mainstream, and very easy to implement. And the SAPGUI we have today is extremely comprehensive, supporting all mySAP components through a single interface, which is unlike the approach a few years ago where each so-called "New Dimension" product like BW or APO required its own GUI. But the SAPGUI still represents a typical application-specific approach to accessibility; each end user installs the client on their desktop or laptop, or runs the SAPGUI from a network share, and off they go.
Other accessibility approaches are available, however, as you see in Figure 3.6. The original WebGUI, for example, is based on HTML and provides connectivity via Microsoft's Internet Explorer and so on. And a more recent addition, the JavaGUI, allows native Java-based access to SAP. Both of these approaches fulfill an Internet-based approach to connectivity, and subsequently simplify the desktop (assuming Internet connectivity is a standard desktop offering at your particular company, of course).
Figure 3.6 Access to mySAP solutions is quite varied today, ranging from classic and updated SAPGUI options to newer Web-enabled versions.
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NI [1 Certification Exam(s) ]
NIELIT [1 Certification Exam(s) ]
Nokia [6 Certification Exam(s) ]
Nortel [130 Certification Exam(s) ]
Novell [37 Certification Exam(s) ]
OMG [10 Certification Exam(s) ]
Oracle [279 Certification Exam(s) ]
P&C [2 Certification Exam(s) ]
Palo-Alto [4 Certification Exam(s) ]
PARCC [1 Certification Exam(s) ]
PayPal [1 Certification Exam(s) ]
Pegasystems [12 Certification Exam(s) ]
PEOPLECERT [4 Certification Exam(s) ]
PMI [15 Certification Exam(s) ]
Polycom [2 Certification Exam(s) ]
PostgreSQL-CE [1 Certification Exam(s) ]
Prince2 [6 Certification Exam(s) ]
PRMIA [1 Certification Exam(s) ]
PsychCorp [1 Certification Exam(s) ]
PTCB [2 Certification Exam(s) ]
QAI [1 Certification Exam(s) ]
QlikView [1 Certification Exam(s) ]
Quality-Assurance [7 Certification Exam(s) ]
RACC [1 Certification Exam(s) ]
Real-Estate [1 Certification Exam(s) ]
RedHat [8 Certification Exam(s) ]
RES [5 Certification Exam(s) ]
Riverbed [8 Certification Exam(s) ]
RSA [15 Certification Exam(s) ]
Sair [8 Certification Exam(s) ]
Salesforce [5 Certification Exam(s) ]
SANS [1 Certification Exam(s) ]
SAP [98 Certification Exam(s) ]
SASInstitute [15 Certification Exam(s) ]
SAT [1 Certification Exam(s) ]
SCO [10 Certification Exam(s) ]
SCP [6 Certification Exam(s) ]
SDI [3 Certification Exam(s) ]
See-Beyond [1 Certification Exam(s) ]
Siemens [1 Certification Exam(s) ]
Snia [7 Certification Exam(s) ]
SOA [15 Certification Exam(s) ]
Social-Work-Board [4 Certification Exam(s) ]
SpringSource [1 Certification Exam(s) ]
SUN [63 Certification Exam(s) ]
SUSE [1 Certification Exam(s) ]
Sybase [17 Certification Exam(s) ]
Symantec [134 Certification Exam(s) ]
Teacher-Certification [4 Certification Exam(s) ]
The-Open-Group [8 Certification Exam(s) ]
TIA [3 Certification Exam(s) ]
Tibco [18 Certification Exam(s) ]
Trainers [3 Certification Exam(s) ]
Trend [1 Certification Exam(s) ]
TruSecure [1 Certification Exam(s) ]
USMLE [1 Certification Exam(s) ]
VCE [6 Certification Exam(s) ]
Veeam [2 Certification Exam(s) ]
Veritas [33 Certification Exam(s) ]
Vmware [58 Certification Exam(s) ]
Wonderlic [2 Certification Exam(s) ]
Worldatwork [2 Certification Exam(s) ]
XML-Master [3 Certification Exam(s) ]
Zend [6 Certification Exam(s) ]
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