posted by Stacey Schneider on July 17, 2012 07:25 AM

EMC Consulting is hosting a customer facing webinar covering heavyweight to tcServer migration. The objective is to drive vFabric product and joint service revenue.

Migrating Java applications from Websphere or Weblogic to vFabric TC Server helps IT to reduce the cost and complexity of applications. Bruce Snyder will share best practices and use real life examples to explain how to transform your applications quickly and easily. Learn More/Register Now

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posted by avanabs on May 24, 2010 03:07 PM

I’ve been researching one of the most interesting trends in IT development and deployment architectures; the migration of development/deployment architectures from JEE Application Servers to light weight JAVA containers. Many IT organizations have been re-thinking their commitment to commercial JEE Application Servers, due to both challenging business environments that drive the need for more cost effective application architectures and, more importantly, the need to transition to more responsive/agile applications development. When we hear IT organizations talk about “migrating” their applications, they generally are focusing on one or more of three distinct situations. These are:

• Migrating existing applications. Moving existing applications (or slices of applications) off of their commercial JEE servers and onto lightweight, modular, horizontally scalable container infrastructures. This trend has been accelerating, particularly with the emergence of JAVA frameworks that replace the “only a computer scientist could love” JEE standards with far more productive (and performant) technologies.
• Extending existing applications and services. Expanding access to existing JEE applications by adding services layers in lightweight containers. This is an even more important trend, which gained significant momentum when IT consulting firms went SOA crazy back in the mid 2000’s. Even without the overheads and complexity of SOA products (from many of the same folks that brought us JEE) the idea of horizontally scaled distributed services is an excellent one. Even where JEE servers maintain their hold on the “back office” business systems, the trend is to convert them to service providers, enabling far more flexible and agile development.
• New development on better architecture. Transitioning new development away from JEE application servers and focusing on light weight containers. Let’s face it, JEE was just plain hard. It required writing lots of redundant (and mostly unneeded) structure and learning to use overly complex interfaces. Today’s JAVA frameworks offer most of the useful power of JEE, with code sizes running as much as 50% smaller, dramatic increases in developer productivity, and in most case significant performance improvements.

In the next few blogs, I'll be focusing on the migration of existing JEE applications to the most popular of the light weight containers, Apache Tomcat. There are many excellent reasons to consider moving applications off of commercial JEE servers sold by Oracle/BEA, IBM, etc. While we are concentrating on the JEE to Tomcat migration process, many of the business and technical decision factors apply equally well to the second and third situations and many IT organizations are doing some/all of them in parallel.

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