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GVB Subrahmanyam

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Top Stories by GVB Subrahmanyam

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 Architecture, Information Systems Architecture (Data and Application Architecture) and Technology Architecture. [1] A variety of enterprise services architectures such as core services, infrastructure services, and technology services are supported by these levels of architecture. Core services are t... (more)

Reference Architecture for Securing Web Services in a Heterogeneous Environment

Web Services have played a key role in integrating heterogeneous applications, particularly in cross domains. As part of identity management, Security Token Services are used for request and response tokens. However, we need multiple communication channels among Security Token Services when multiple applications in different domains try to reach other Web Services. In this article we have proposed a Master Security Token Service (MSTS) that can act as a broker for all security authorization without duplicating the effort at every domain. In a world of heterogeneous systems where ... (more)

Service Enablement of Enterprise Data through Mobile Devices

It's well known that in recent times that consumption of data or a service through mobile applications is increasing exponentially due to the increase in the mobile customer base and the increase in the number of mobile devices connected to various systems disproportionately(1). That means in most of the cases, consumers of mobile devices are increasing more than traditional desktop browser based service model of consumption. These end users use a large number of different types of devices starting from standalone desktops, laptops, and tablets to mobile devices. It is expected t... (more)

Enterprise Data Platform Reference Architecture

Social media applications like Facebook walls, Linked-in dashboards and Twitter tweet-boards have inadvertently opened up a new paradigm of pushing data/information to the users. Enterprise IT applications, on the contrary, expect users to navigate to the information using designated UI forms or user reports; obviously the social media type of paradigm of pushing relevant/important data can significantly improve the productivity and efficacy of users. Typically in a Manufacturing Supply Chain enterprise, operations span activities across complex manufacturing automation and suppl... (more)

Performance Improvement in a J2EE Application

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 y... (more)