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From the Senior WebSphere Consulting IT Specialist at IBM

Nitin Gaur

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Top Stories by Nitin Gaur

HTTP session management is a function offered by Java Enterprise Edition (JEE) application servers. It allows JEE applications to store state information about a given user across many HTTP requests. The JEE specification provides an API to store and retrieve information specific to the given user. WebSphere application servers and other competing products, provide session replication functionality. This is normally done either by writing to a database or through memory-to-memory replication technology.  These approaches while extensively used today, have operational challenges and cost implications. HTTP session replication enables for seamless session recovery, in event of an application failure, but we currently do not have a reliable, predictable and cost effective solution to handle session recovery in event of a data center failure. Until now we have discourag... (more)

Is Cloud Computing Just Virtualization and Automation? No!!

Day and day out, we see every technology vendor attempting to position themselves in the cloud realm and struggling to find a niche in this 'cloudy' topic. I think: 1. Virtualization and Automation are the building blocks of the cloud computing platform. They alone will not solve any problems. 2. Cloud computing is based on the premise that it is a new model that accommodates a new services delivery and consumption model. Now the term 'service' is very elusive, and I think this is what it is exploited by every vendor trying to find that 'fit'. 3. Without a vision and a set expe... (more)

Apache Hadoop and WebSphere eXtreme Scale

Hadoop Apache Hadoop is a software framework (platform) that enables a distributed manipulation of vast amount of data. Introduced in 2006, it is supported by Google, Yahoo!, and IBM, to name a few. At the heart of its design is the MapReduce implementation and HDFS (Hadoop Distributed File System), which was inspired by the MapReduce (introduced by a Google paper) and the Google File System. MapReduce MapReduce is a software framework introduced by Google that supports distributed computing on large data sets on clusters of computers (or nodes). It is the combination of two pro... (more)

Anatomy of Cloud Computing Platform

Introduction As the IT operations continue to evolve and transform the business towards agility and adaptability to ever changing rules of marketplace, the efficiency of any IT operation is of paramount significance. The phrase ‘time to market' has a completely new meaning in today's dynamic business environment where the only constant is change. This rapidly changing environment has lead the IT and business leaders alike to re-think the ‘procurement to provisioning' process with one goal in mind - Efficient use of resources. These resources include IT assets such as hardware an... (more)

IBM CloudBurst and WebSphere CloudBurst Appliance Compared

What is a cloud computing platform? Is it simply automated provisioning systems coupled with a resource virtualization, where the workload is policy driven, and resources over committed and any resource contention handled by policy driven resolution? As it turns out technologies that provide provisioning, virtualization and policy enforcement form the building blocks of a true cloud computing platform, but not any one technology is a cloud offering in and of it self. IBM’s CloudBurst family attempts to provide a single cloud solution with an appliance form factor. This paper will... (more)