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GVB Subrahmanyam

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Top Stories by GVB Subrahmanyam

Java is hot. Just nine years old, it has become one of the leading development environments in the world. Millions of programmers and thousands of companies use it, and half of all IT managers expect to deploy J2EE applications this year. But Java's popularity hasn't necessarily made it easy for the growing population of Java code jockeys. Ever-shortening production cycles have kept the heat on programmers, who increasingly work in large teams to meet production milestones. And every day those teams come face-to-face with an immutable law of software development: the more code you write, the more bugs you'll get - bugs that cost time and sap quality and performance from applications. This article looks at performance tuning and optimization of memory usage of a J2EE application. Our setup uses the BEA WebLogic Application Server. We will consider the following: T... (more)

Migrating from WebLogic 6.1 to 8.1

BEA's name is synonymous with the application server. Most applications running on Unix in North America run on BEA's WebLogic server, particularly financial apps. The current stable WebLogic 8.1 version does a lot more than earlier versions. Migrating to new versions is always challenging and risky, but is done for efficiency and new capabilities, and to stay current with a vendor's products and support. Most applications developed on the WebLogic 6.1 used JDK 1.3 or earlier. A move from WebLogic 6.1 to 8.1 means making our applications compatible with JDK 1.4.1 or higher since... (more)

Developing a CICS-Based Web Service

Web services have opened opportunities to integrate the applications at an enterprise level irrespective of the technology they have been implemented in. IBM's CICS transaction server for z/OS v3.1 can support web services. It can help expose existing applications as web services or develop new functionality to invoke web services. One of the commonly used protocols for CICS web services is SOAP for CICS. It enables the communication of applications through XML. It supports as a service provider and service consumer independent of platform and language. SOAP for CICS enables CIC... (more)

Innovative Implementation of Cloud-Based SaaS Enterprise Frameworks

Traditionally business process services are built on applications that are running within the enterprise to fulfill business demands. In the recent past, the concept of SaaS Clouds gained significance with services being hosted in a common cloud environment within the enterprise or outside the enterprise. In this article, we propose an innovative implementation of Cloud-based SaaS Enterprise Frameworks in "Corporate Action Events" Processing. A lot of discussions have appeared on how enterprise architecture services and cloud-based services, namely SaaS, are connected within an ... (more)

Enterprise Cloud Services Architecture

Enterprise services are built on applications that are running within the enterprises to fulfill the business demands. In the recent past, the concept of services in a cloud environment gained significance with services being hosted in a common cloud environment within the enterprise or outside the enterprise. In this article, I described the various steps involved in moving services from an enterprise level to cloud-based environment as part of a cloud implementation. Traditionally an organization's Enterprise Services Architectures are considered in terms of Business Architect... (more)