By Joey Bernal
Architect IBM® WebSphere® functions for optimum functionality, defense, Flexibility, Usability, and cost profitable, high-value WebSphere functions start with powerful structure. Now, one in every of IBM’s major WebSphere and WebSphere Portal architects bargains a hands-on, best-practice consultant to each side of defining, making plans, and enforcing WebSphere software architectures. Joey Bernal indicates operating architects and groups how to find layered architectural criteria that may be used around the complete association, bettering software caliber with no compromising flexibility. Bernal starts by way of illuminating the position of structure and the tasks of the architect in WebSphere functions and SOA environments. subsequent, he introduces particular architectural suggestions for addressing patience, program functionality, defense, performance, person interplay, and lots more and plenty extra. Bernal provides a sequence of pattern architectures drawn from his paintings with a number of top agencies, demonstrating how architectures can evolve to aid new layers and altering enterprise specifications. all through, his concepts are particular adequate to handle practical company demanding situations, whereas nonetheless sufficiently high-level to be necessary in varied and heterogeneous environments. assurance contains • opting for endurance frameworks that serve enterprise standards with out over the top complexity • warding off persistence-related issues of functionality, safety, or program performance • Designing and deploying powerful center layers and established libraries inside of WebSphere program Server • utilizing WebSphere mechanisms and architectural strategies to prevent universal safeguard assaults corresponding to SQL injection • enhancing functionality with WebSphere program Server caching, together with allotted Maps and Servlet/JSP fragment caching • utilizing presentation frameworks to supply speedy, powerful, and engaging consumer interplay • Incorporating portals that offer a standardized framework for merging a number of functions Joey Bernal is an govt IT expert with IBM software program companies for Lotus. Senior qualified with IBM as an IT professional, he has an in depth history in designing and constructing net and Portal purposes. He frequently leads IBM groups that experience assisted dozens of consumers in leveraging WebSphere Portal to deal with structure, layout, and implementation demanding situations. A common speaker on WebSphere and portal subject matters, Bernal is coauthor of Programming Portlets, and hosts the developerWorks weblog: WebSphere Portal in motion. sooner than becoming a member of IBM, he used to be Director of IT for an incentive and function development corporation, and served as lead technical consultant and architect for high-profile net and intranet functions at a number of Fortune 500 businesses. you can even stopover at the author’s website at www.bernal.net. The IBM Press developerWorks® sequence is a different project during which print books and the internet are collectively supportive. The courses during this sequence are complemented through assets at the developerWorks website on ibm.com®. Icons in the course of the booklet alert the reader to those worthy assets.
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Extra info for Application Architecture for WebSphere: A Practical Approach to Building WebSphere Applications
The one obvious caveat in this discussion is for third-party vendors and others who are actually building applications that are to be run on multiple platforms. These applications should probably degrade to the basic specification when necessary, but may also take advantage of enhanced features within different servers to provide improved performance, security, and manageability. Unfortunately, most of this functionality would need to be designed on a case-by-case basis; however, building a correctly layered and modularized architecture enables you to plug in capability when possible.
6, pp. 42–50. This page intentionally left blank Chapter 2 Setting a Standard S tandards are an important concept, but achieving them is probably one of the most overlooked opportunities to improve the quality of software applications. On the surface, standards may seem like a trivial concept, but good application architecture starts with them. You often hear sports analogies about getting back to the basics; in software development these standards are the basics. This chapter covers standards and how to set the right ones for your organization or project and offers some recommendations and ideas for you to build upon with your own standards documentation.
Enterprise applications containing servlets, JSPs, and EJBs are often deployed across both of these containers as each requires its unique environment to run. This deployment is managed by the integrated administration console, which is installed in the web container as a separate application or used with the deployment manager. Other WebSphere Features The rest of WebSphere Application Server’s features are too many to discuss in great detail here, even if they were the focus of this book. Here is a short list of important services and features within the application server itself: • JCA Services provides access to external systems via the J2EE Connector Architecture (JCA) specification.
Application Architecture for WebSphere: A Practical Approach to Building WebSphere Applications by Joey Bernal