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C2040-422 exam Dumps Source : IBM WebSphere Portal 8.5 System Administration Core B
Test Code : C2040-422
Test Name : IBM WebSphere Portal 8.5 System Administration Core B
Vendor Name : IBM
Q&A : 56 Real Questions
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system i shops concerned in Java-based net portals may also be interested to hear in regards to the latest unlock of IBM‘s WebSphere Portlet manufacturing facility. massive Blue says the newest unencumber, edition 6.1.2, brings enhancements with a purpose to enable builders to get internet 2.0 applications up and working faster than before.
WebSphere Portlet factory is a windows-based mostly device designed to simplify the development of J2EE portlet applications and dispose of the want for direct coding. The utility runs on desirable of WebSphere utility Server types 6 or 7, and supports all primary operating methods–including i5/OS and IBM i OS.
With edition 6.1.2, IBM has delivered several enhancements that it says speeds building and renovation of portals, which is always a concern. a type of facets is the means to unexpectedly “re-brand” a whole net portal with a centralized theme from one location.
team building has also been stronger due to new versioning capabilities and more superior capacity to identify and add info to source handle repositories.
This release also introduces a library of pre-developed connectors for exposing Representational State transfer (relaxation) features from again-end techniques. this could make it easier to assemble applications from reusable chunks of features–a key part of service oriented architecture (SOA).
Portlet manufacturing unit clients can additionally now create and install “widgets” to IBM’s Mashup center, the new IBM framework for immediately developing, connecting, and deploying bunches of web 2.0 apps in new and fascinating combos.
the brand new free up additionally provides extra building and deployment structures. developers can work with the Portlet manufacturing facility from inside other IDEs, including Eclipse three.4, Rational software Developer and Rational software Architect 7.5, or WebSphere tips Developer version 6.2. Deployment alternatives consist of WebSphere Portal Server, WebSphere Portal enable, WebSphere Portal lengthen, WebSphere Portal express, WebSphere application Server, and the IBM Mashup middle.
Portlet manufacturing facility introduced to IBM WebSphere Portal categorical
IBM Expects swifter Portal initiatives
IBM Makes Bowstreet, Micromuse Buys
Bowstreet Brings ‘Portlet manufacturing unit’ to iSeries
WebSphere Portal specific comes to OS/four hundred
put up this story to del.icio.us put up this story to Digg post this story to Slashdot
IBM has upgraded its high-conclusion enterprise search product with an enhanced person interface, and will announce next week the supply of a business intelligence tool that may also be used with it to investigate call middle facts.
OmniFind commercial enterprise edition eight.5is now available and lines a brand new dashboard view of search outcomes, tight integration with other IBM collaboration items like Notes/Domino eight, and guide for jap, Korean and chinese language characters.
The dashboard capacity, referred to as correct results evaluation, enhances the ordinary search consequences record with a graphical representation of consequences. clients can click on the dashboard's bar charts to refine their search results.
"With this, we have taken a significant soar in findability," observed Aaron Brown, software director of search and discovery at IBM's information management group.
furthermore, OmniFind enterprise edition eight.5 has hyperlinks to facts in different IBM collaboration application, like Notes/Domino 8 and Lotus Quickr functions for WebSphere Portal, as well as to IBM FileNet P8 content material administration.
For consumers who additionally haveOmniFind Analytics Editionand are looking to analyze statistics collected of their customer aid name facilities, IBM subsequent week will announce the provision of ProAct. This enterprise intelligence application, developed at IBM's India analysis Laboratory and in use internally at IBM call facilities, can be offered as a service engagement via theIBM Researchunit.
ProActis a textual content analytics device designed to let groups mine structured and unstructured data generated in name facilities and saved -- and infrequently forgotten -- in numerous repositories, like email inboxes, speedy messages and transcribed call logs.
ProAct is in response to an IBM open-source software framework for building records analysis equipment known as Unstructured suggestions administration evaluation (UIMA). OmniFind enterprise and OmniFind Analytics additionally use UIMA.
version 8.5 reflects IBM's awareness that commercial enterprise search is fitting commoditized and that providers in this market deserve to extend their items' capabilities in ways in which differentiate them, observed analyst Fern Halper, companion at Hurwitz & pals. the brand new dashboard and textual content analytics capabilities are respectable examples of the way in which IBM can enhance the value of OmniFind enterprise version, which competes on the excessive conclusion of the market in opposition t choices from Autonomy and speedy Search & transfer, Halper noted. "IBM is doing a fine job of considering a way to enhance [the product]," she talked about.
Susan Aldrich, analyst and senior vp at the Patricia Seybold neighborhood, spoke of that while some business search items are designed as stand-by myself functions, OmniFind business edition is more of a platform and suite of tools that IT departments at medium and massive groups can personalize for his or her certain needs. "A key price [of the product] is that this superb opennesss and extensibility," Aldrich noted.
newsIBM Buffs place of work and WebSphere Portal IBM this week introduced new and updated products in its office family of collaboration products, including 19 position-primarily based built-in applications for medium and small enterprise valued clientele. The company also said it's going to deliver ad hoc internet conferencing as a provider for valued clientele beginning in December.
The options provide customizable enterprise features for specific industries or classes of enterprise tasks and operations – all developed the use of IBM place of work products and selected third-birthday party applications.
even though in all probability a cliché via now, IBM officers additionally persisted to emphasize the changes between a “community-delivered” collaboration atmosphere and one based primarily on own computer systems – especially Microsoft’s view. “[With Workplace Solutions] you don't have to have Microsoft office,” says Larry Bowden, vice chairman, of IBM office application solutions.
IBM designed the solutions by means of learning the job roles required for performing standard sets of tasks or operations inside a collection of vertical markets. at the identical time, it considered a way to put into effect horizontal company roles within commonplace corporations’ IT environments, including procurement, finance and administration, customer provider, and human elements. the brand new place of work options deliver built-in utility units that meet at that nexus; for example, methods to provide department banking or retail save management features.
“They’ve taken lessons out of IBM’s capabilities neighborhood and . . . they have got designed these applications to make these americans with the important thing enterprise roles more beneficial,” says Robert Mahowald, analysis manager at IDC. That should, the reasoning goes, make those corporations that undertake these options more a hit.
since the options and IBM place of work products aid business requisites, together with Java and XML, other products can also be built-in with other techniques as well. IBM workplace contains Lotus office, WebSphere Portal, Lotus Notes and Domino, and WebSphere Everyplace, according to the enterprise’s internet website.
“Our focal point is on organizational productiveness,” says Bowden, including, “Having a competitive side is not nearly as good as having a sustainable competitive facet.”
truly, enforcing complete built-in methods according to the capabilities that a business must function as smartly as the roles of the people who operate the essential tasks, and featuring that to shoppers in a solution package that's the subsequent neatest thing – or so IBM officers hope – to a turnkey answer, provides that sustainable side, company executives post.
The solutions don’t do every thing. Implementation particulars stay but IBM’s intent is to take part of the pain out of the manner for small and medium-sized groups that don’t have a division committed to proposing IT. “Why don’t we get you 70 % of how?” asks Bowden rhetorically.
in one of IBM’s demonstration scenarios, a bank department teller receives a big determine and desires to attain the approval of a consumer service adult, and also should clear the deposit for regulatory compliance and auditing. The department banking solution gives job roles for three diverse worker project units to fulfill the mandatory business features. certainly, the brand new place of work options embody greater than 30 job capabilities or employee roles, company spokespeople talked about.
among the areas where IBM is offering new workplace solutions are: retail, electronics, manufacturing, finance, telecommunications, government, lifestyles sciences, healthcare and automobile agencies. moreover, the business has up-to-date its department Banking solution as well as its enterprise Controls and Reporting answer (now at version 2.5).
essentially, despite the fact, IBM is taking a slightly diverse tack on coopetition. To groups like Oracle, SAP and PeopleSoft, “They’re saying, ‘we’re going to provide the plumbing for you,’” says IDC’s Mahowald, leaving part of the pie for other avid gamers.
IBM will additionally begin providing on demand internet conferencing subsequent month, officers referred to. “in case you have a browser and a mobilephone, that you can deploy an internet conference,” Bowden says. “as an alternative of purchasing the application from us, which you could just purchase the service.” This comes as an instantaneous attempt to take business away from Microsoft’s are living meeting, says Mahowald.
in addition, IBM also announced a brand new product within the office family unit. IBM workplace services categorical v2.0 is a fresh product designed for small and mid-sized corporations and departments in huge agencies. It comprises team collaboration, document management, net types, task lists, and portal capabilities as well person customization aspects. IBM place of work services categorical additionally integrates with the user's current functions and information, in addition to e-mail, calendar and tackle ebook, and provides a range of collaboration tools together with built-in fast messaging. it is going to ship in December, officers noted.
eventually, IBM debuted the latest unencumber of WebSphere Portal – version 5.1 – which provides virtual portals, business technique workflow aspects, and enhanced content administration capabilities. version 5.1 should be available through the conclusion of November.
The enterprise will announce pricing for all the products and capabilities when the items are available, enterprise officers noted.
Stuart J. Johnston has covered know-how, specifically Microsoft, considering February 1988 for InfoWorld, Computerworld, counsel Week, and computer World, as well as for commercial enterprise Developer, XML & web services, and .net magazines.
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The commercial software market in the human resource management space is rather fragmented, with Talent, HR, and Workforce Management startups all vying for a slice of the pie. It’s little wonder the open source world hasn’t found much direction either, with the most ambitious HRM solutions often locked inside larger ERP distributions. OrangeHRM is a standout.
OrangeHRM tackles employee administration from recruitment and applicant tracking to performance reviews, with good audit trails throughout. An employee portal provides self-serve access to personal employment information, time cards, leave requests, and personnel documents, helping reduce demands on HR staff.
OrangeHRM doesn’t yet address niche aspects like talent management (social media, collaboration, knowledge banks), but it’s remarkably full-featured. Professional and Enterprise options offer more advanced functionality (in areas such as recruitment, training, on/off-boarding, document management, and mobile device access), while community modules are available for the likes of Active Directory/LDAP integration, advanced reporting, and even insurance benefit management.
-- James R. Borck
ORLANDO -- IBM/Lotus Monday hinted at its collaboration future by unveiling an ambitious plan called Project Vulcan that exists in concept only but is aimed at a wholesale integration of collaboration tools regardless of whether they run in the cloud or on corporate networks.
Calling Vulcan a "blueprint for the future of collaboration" rather than a product, IBM/Lotus said at the opening of its annual Lotusphere conference that it plans to begin "Vulcanizing" its Lotus software beginning in the second half of this year. The effort will start with a toolkit for developers available via LotusLive Labs, a new collaboration within IBM between Lotus Software and IBM Research.
Lotus to set roadmap for free productivity suite
Alistair Rennie, the new Lotus general manager, said Vulcan will focus on open programming through RESTful APIs, HTML5, Lotus Xpages technology, and widgets and mashups. Those concepts will be infused into Lotus software as it is upgraded in the coming years including LotusLive, Lotus Notes/Domino, Connections, Sametime, Quickr and WebSphere Portal.
Vulcan is aimed at capitalizing on the integration of business applications and social networks and the convergence of desktop and mobile devices, according to Lotus officials. Lotus hopes to provide a system that meshes users, content creators, presence information and other data that brings context to any collaborative effort.
A key to Vulcan is social analytics software being pioneered by IBM Research such as Vivacity, which can discover shared resources created by users and provide a "return on contribution." Another project is DUNE (Desktop Unified with Enterprise), which aggregates data from multiple applications and makes possible unified social search, personalized recommendations based on profiles and integrated collaboration views. Analytics tools such as those and other IBM Research projects relevant to Vulcan will pass through LotusLive Labs for users to test.
Lotus's idea of redefining collaboration platforms with integration and hybrid cloud/enterprise models isn't much different from grand strategies being forged by Microsoft, Google, Cisco and others. All lack clarity, but the last time IBM/Lotus floated a concept with this much implication for its collaboration future was its failed Workplace overhaul of the Notes platform.
The thought with Vulcan is that developers will use a loosely coupled architecture to build a new generation of collaborative systems that are dynamic and lean heavily on analytics.
The plan faces a number of challenges in that Lotus intends to maintain a single layer of security, directory integration and administration across the boundaries between internal and external applications and other resources.
"Policy integration is also a big deal," said Sean Poulley, senior manager for online collaboration services at Lotus.
The foundational elements of Vulcan will begin appearing in Lotus software next year, according to Rennie. He said Vulcan will build upon what users already have and will be an evolutionary process.
"Three or four years ago, Lotus was not too hot on [software-as-a-service]," said Guy Creese, an analyst with the Burton Group. "LotusLive initially was disconnected and behind the firewall, but if they are integrating now it is about time." He said what should be important to enterprise users is how tools will apply to different sets of users, the price points and licensing, and delivery models.
"If it is about how do we make great stuff work seamlessly, that is what people want," Creese said.
During their mini-keynote address, Ed Brill, director of product management for Lotus Software, and Kevin Cavanaugh, vice president of messaging and collaboration, said the Notes entry point to Vulcan comes in 2011 after the 8.5.2 release.
Cavanaugh said in the Vulcan world that Notes/Domino may be impossible to distinguish between on-premises and in the cloud.
"First interface then functional barriers will disappear," he said. "You can see that today starting with XPages applications." He said Vulcan is also an "informed bet" on HTML 5.
"The client experience will increasingly become more unhooked from servers and the services that support it. We see that in plug-ins," Cavanaugh said.
With Vulcan the desktop will unify, but the protocols behind it are going to continue to be sophisticated, rich and diverse, he said. "A key component of Vulcan is to make end user interfaces and connections as easy to deploy as possible. We will move in a direction of seamless adoption of the capabilities and better management of all aspects of the components installed on the desktop."
He said advanced search and analytics will play a major role in Project Vulcan advancements.
It's all groundbreaking work for IBM, including the intersection with IBM Research.
Irene Greif, IBM Fellow and director of the collaborative user experience group at IBM Research, said Lotus is pioneering how research works with product teams. Greif's group produced much of the core technology shipping in Lotus Connections."With LotusLive, Lotus is endorsing the concept of putting things out that are research but could become products," she said. It is changing the way Greif's teams are thinking.
"We work so that the project can work with a product, so that we don't break things like security and performance," she said.It is that type of challenge to the status quo that Louts hopes to apply to collaboration.
"Welcome to the future," Rennie said in closing his remarks about Project Vulcan.
Follow JohnFontana on Twitter: twitter.com/johnfontana
This story, "Lotus sets off on 'Vulcanizing' next-gen collaboration" was originally published by Network World.
A top-tier New England University has adopted a strategic multi-year infrastructure modernization project to replace out-of-date systems, and increase IT capabilities while maximizing the return on all IT investments. The project involves upgrading hardware, purchasing new software and training the development and operational groups. Central to the modernization strategy is the implementation of a Service Oriented Architecture (SOA).
SOA is an architectural approach to development that emphasizes an overall platform for the design of distributed applications rather than specific technologies. The mainstay of SOA is the definition and implementation of software services, regardless of location or ownership, that map directly to a system or business processes-services include interfaces and the policies that govern them at run-time. SOA benefits include loose coupling between interacting systems and platforms, a ubiquitous integration mechanism based on industry standards, support for on-demand creation of composite services and the ability to leverage existing assets while improving operational efficiency.
Figure 1 Service Oriented Architecture
The transition from traditional application development and deployment to a service-based approach is significant and cannot be put into practice overnight. Working with their partner, Collaborative Consulting, the University's IT department outlined a roadmap for incremental adoption of SOA. One advantage of the incremental approach is an immediate return on investment and the ability to select the ordering of conversions to best meet the short and long terms goals of the University. The remainder of this article describes a six-month project that launched the SOA adoption process by implementing a Resource Oriented Enterprise Service Bus (ESB) using 1060 Research's NetKernel.Problem Domain
Higher educational institutions are under constant pressure from students, staff and alumni to provide the type of on-line services they have grown accustomed to in their lives including real-time 24/7 access to information via intuitive interfaces and streamlined automated processes. At the same time there is increasing pressure from management, steering committees, and boards to control costs. Consequently, higher educational institutions IT departments such as the University's must be ingenious and pragmatic when investing in new capabilities.
The University IT department supports a wide variety of applications including Commercial off the Shelf (COTS) products such as PeopleSoft, mainframe legacy applications built on top of a Customer Information Control System (CICS) and modern J2EE web applications built using Oracle Application Server Portal. In addition, many of the applications interact with third party Application Service Providers (ASP) and provide historical information to a Data Warehouse (DW). All of these must be integrated and coordinated with the new SOA approach.
The University historically has integrated business systems using IBM MQ and FTP. This traditional approach resulted in a number of point-to-point (P2P) integrations. These P2P integrations are costly to maintain and have resulted in tight coupling between the consumer and provider. However, the existing environment was already using a light-weight message exchange state transfer (MEST) approach that is leveraged to allow for further innovation. An enterprise service bus (ESB)-a sub-type of a message bus architecture-provides for a more decoupled environment and, while it has a higher up-front cost of deployment, it was determined that the value of an ESB increases exponentially over time while the costs of extending the system remain linear and predictable 1.
The University's IT department has a small group of dedicated architects and software engineers, many of whom have developed expertise in the higher education domain through their tenure. Because the group is small, each member often takes on multiple roles including support and administration. Due to this, the IT department required a solution that would accomplish the following:
Service Oriented Architectures can be implemented using a number of different patterns and technologies. The conventional approach uses patterns outlined in the WS-* specifications and one can select from a broad spectrum of technology products ranging from open source solutions such as Apache ServiceMix to commercial suites such as Cape Clear and Sonic Software. Unfortunately, the WS-* specifications are in a constant state of flux and can overwhelm developers attempting to digest over 1300 pages of detail. For example, if adhering to the all specifications, it would take the following steps/tasks to implement a SOAP service:
The commercial ESB suites in the market were evaluated and since the IT group is relatively small, the decision was made to look for a solution that would result in a low-friction system that could foster the type of innovation a small group of IT resources could undertake and wouldn't force the group into a centralized service ownership model that relied on a single vendor. The University's domain is extremely fluid, with process changes, application changes and integration changes; therefore what was needed was an overall architecture and strategy that was a reflection of the true nature of the university.
Since message requests already were established as the central transfer mechanism across the university, a RESTful or Resource-Oriented approach was employed to implement an SOA. REST is based on a small set of widely-accepted standards, such as HTTP and XML and requires far fewer development steps, toolkits and execution engines. The three key benefits of a RESTful approach to SOA include a lower cost of entry, quicker time to market, and flexible architecture. A Resource-Oriented approach goes beyond a RESTful approach and provides a deeper more extensible and transport independent foundation. While REST design patterns advocate the use of HTTP a Resource-Oriented architecture supports services connected to HTTP as well as transports such as JMS or SMTP.
Although several ESB implementations such as Codehaus Mule support REST, only 1060 NetKernel is built upon a Resource-Oriented Computing Platform 2 (hence, “ROC”). The core of resource-oriented computing is the separation of logical requests for information (resources) from the physical mechanism (code) which delivers the requests. Services built using ROC have proven to be small, simple, flexible and require less code compared conventional approaches. This made it the ideal technology to build a technology platform.2. Technology Platform
NetKernel is resource-oriented middleware that provides core Enterprise Service Bus (ESB) capabilities, addressing, routing and data transformations and can act as a service registry orchestration engine. NetKernel is a rich offering and also provides advanced capabilities for XML transformations, cache management and multi-threaded processing along with multiple transport protocols, including HTTP and JMS and a SOAP engine enabling it to provision conventional web services. NetKernel is a solid foundation for heterogeneous enterprise integration.
Conceptually, NetKernel provides access to resources identified by a Universal Resource Identifier (URI) address. All URI addresses are managed within a logical address space. A REST-based micro-kernel handles all requests for resources, resolving the URI from the address space and returning a representation of that resource. Requests to the micro-kernel can also be made to create new resources or update or delete existing resources.
Physically, a NetKernel system is composed of modules which expose public service interfaces and resources via URI addresses. Similar to a Java EAR, a module contains source code and resource configurations. Modules may logically import another module's publicly exposed services and resources incorporating them into the address space. Since imports refer to a module's logical name and can specify a version number, multiple versions simultaneously can be run and updated in a live system. Service requests are injected into NetKernel by transports, which are event detectors residing at the edge of a system. Service consumers can send requests via any supported transport such as HTTP or JMS.
Figure 2 Technology Platform
HTTP is a stateless request-response application protocol. The request message structure is comprised of a command, headers, and a body. The response message is comprised of a status, header and a body. Clients and servers exchange these messages using Transmission Control Protocol (TCP) sockets. The client-server interactions can be secured at the transport layer using the Secure Sockets Layer (SSL) protocol while the message itself can be secured using encryption and a digital signature. Finally, a client can be authenticated using HTTP-Basic or HTTP-Digest authentication schemas 3.
The Java Message Service (JMS) API provides the platform for implementing asynchronous services. However, the API requires a provider, in this case IBM WebSphere MQ. IBM MQ is Message Oriented Middleware (MOM) and provides queue-based communication channels among applications. Channels are implemented using Point-to-Point or Hub & Spoke topology. In addition to transporting messages, MQ can also handle workflow, process automation, data transformation, monitoring and management.3. Resource-Oriented Services
A resource-oriented service provides transport-independent stateless access to a resource. A resource is an abstraction of information. For example, a student's registration is an abstraction which can have representational forms such as a web page, an XML document, or a PDF file. A service exposes each resource representation using a resource identifier or address. The resource identifier is actually a relative Universal Resource Indicator (URI). A URI is composed of two parts, the scheme (e.g. HTTP and FTP) and the address. The second part of the URI is relative. The address, /domain/account/45322, is relative until it is associated to a scheme such as http, http://domain/account45322.
Figure 3 Resource Oriented Service Conceptual Model
The service defines a set of actions, Create, Read, Update, and Delete, that can be invoked on a resource. In addition, certain actions may trigger rules or business logic. When a resource is requested, a physical immutable representation of that abstract resource is returned. Different types of representations can be returned based on business logic, such as the type of consumer. For instance, most back-end processes require an XML document while a front-end process may require a JSON object. The service also can receive a representation creating a new resource, or updating an existing resource. Finally, the service can receive a request to delete a resource.
Figure 4 Resource Oriented Service Interaction Model
A transport resides at the edge of a system and when it detects an event it issues a corresponding internal root request. For example, the HTTP transport listens for a consumer's request for a Uniform Resource Locator (URL), specifying an access method (e.g. GET, PUT, POST, & DELETE). The URL is transformed into an internal relative URI and the access method is translated into an action. In the case of a request over JMS, the URI and action are passed as message header parameters. In addition, if a resource representation should be returned, a return queue parameter is specified in the header.
In a RESTful system, access to resources is stateless which means each request must have a way to pass context as meta-information. In general, the transport defines a message structure comprising a header and a body. The header is used to pass the meta-information while the body is used to pass the resource representation. For instance, if a resource-oriented service is exposed over HTTP, authentication information can be passed in the header, and if the service is exposed over JMS that same information can be passed as an encrypted header parameter.
Resource-oriented services are built using Maven 4 and packaged as NetKernel Modules. Maven is a tool for building and managing software within the context of a “project.” Maven projects are defined by a Project Object Model (POM) XML. The POM defines the software's dependencies, build process and deployment structure (e.g. JAR, WAR, EAR). In addition, a Maven project can be used to generate a project web site and deploy software. In this case, Maven packages services within a NetKernel Module and publishes information about those services to a registry.
Figure 5 Resource Oriented Service Development4. Resource-Oriented Enterprise Service Bus (ESB)
A Resource-Oriented Enterprise Service Bus (ESB) was implemented using NetKernel. At the heart of NetKernel is a RESTful or resource-oriented microkernel responsible for resolving logical URI requests to physical code endpoints and scheduling the request on an available CPU core. While the mapping of logical address to physical code is defined in the application structure, the actual binding of logical address to physical code occurs only for the duration of a request and is then discarded.
Because each request to the micro-kernel is bound anew, system administrators are free to change the association between logical address and physical code while the system is running enabling capabilities such as real-time live code updates. Performance in practice is paradoxically not degraded by this indirection and binding but rather enhanced as the URI address acts as a key to NetKernel internal cache. If any resource is re-requested and dependencies have not changed then the cached representation is returned instead of being recomputed.
The use of a resource-oriented microkernel has several key benefits. First, service interaction is at a logical rather than physical level. This results in loosely coupled interactions, thereby decreasing the impact to the consumer and provider when changes are made to the physical implementations. Second, the results of requests are cached, thus decreasing the overall cost of service composition and orchestration. For instance, if a set of orchestrated services relies on a common service, the underlying physical code of that common service seldom will be executed. Finally, all internal requests to the microkernel are asynchronous, allowing processing to scale linearly as more CPUs are added to the host server.
The ESB is primarily responsible for service provisioning and security. Service provisioning involves exposing resource-oriented services to consumers over transports such as HTTP and JMS. The transports map the external URI and access method to an internal resource-oriented service and action. Regardless of the transport, the body of the request, such as an XML Document or JSON object, is passed as a parameter named ‘param.' Consequently, the resource-oriented services are decoupled from details of transport specific logic and in fact, additional protocols can be added at any time without impacting existing code.
Figure 6 Resource Oriented Service Provisioning
The resource-oriented services, in turn, delegate to a set of custom infrastructure services and core services provided by NetKernel. NetKernel provides an extensive set of core services. For instance, core services exist for XML and SOAP processing, CRON Job scheduling, and SMTP interactions. The core services dramatically reduce the amount of code that needs to be written to implement a resource-oriented service. Custom infrastructure services are used to expose capabilities which can be leveraged in the higher education domain.
Each request to the ESB is first authenticated, then authorized and (in some cases) audited. Transports authenticate an incoming request based on a user-name password combination and then delegate authorization and auditing to a security service. Authorization involves verifying that the identified consumer has the appropriate privilege. A privilege is comprised of a relative URI and an action. As an example, a consumer could be authorized to read but not to update or delete the resource student profile, identified by the relative URI /domain/student/identifier/profile. Unauthorized requests automatically are audited and there exists the option to audit based on the identified consumer or privilege. The account, privilege and audit information is stored in an embedded Hypersonic database.
Figure 7 Resource Oriented Service SecuritySummary
Other than a run-time service governance solution, such as Actional or ManagedMethods, middleware for implementing an ESB is essential to any successful SOA initiative. Without an ESB, an organization is simply increasing the number of costly point-to-point (P2P) interactions using web services. While there is wide disagreement as to the composition and purpose of an ESB, most can agree on a set of core capabilities including service addressing, message transformations and message routing. An ESB implemented using NetKernel middleware provides these capabilities and more advanced capabilities such as service registration and orchestration.
The NetKernel product allowed the University to implement a resource-oriented ESB. A resource-oriented ESB is essentially an open standards-based enterprise integration framework. This framework enables an enterprise to reduce or eliminate costly point-to-point interactions and decreases the time to market for introducing new capabilities. Furthermore, this framework has a lower initial cost of entry than a conventional enterprise integration framework based on the WS-* standards. Additionally, since NetKernel and ROC provide for integration on a per-service basis, the University can push the integration functionality to the edge of the network (as a URI), which translates into better service management and scalability. In short, this framework provides an organization unprecedented enterprise architectural agility.
In less than six months, a team of three software architects was able to implement a resource-oriented ESB and several initial resource-oriented services using NetKernel middleware. The successful implementation of the ESB launched the University's incremental adoption of SOA. A resource-oriented approach allowed the team to leveraged existing assets and technical skills. Going forward, the University's IT department now has the ability to meet the ever increasing consumer demand by taking advantage of reusable services and composite applications while reducing or eliminating the P2P integrations.About the author
Jeremy Deane is a Technical Architect at Collaborative Consulting. He has over 12 years of software engineering experience in leadership positions. His areas of expertise include Enterprise Architecture, Performance Engineering and Software Process Improvement. In addition, he has Masters in Information Systems from Drexel University and has recently published a white paper, Document Centric SOA.
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