Metro is a new web services stack technology developed for Glassfish Application Server which enables the delivery of secure and reliable web services on J2EE platform.
Enterprise applications are getting more and more complex with the new technology requirements cropping every day. Moreover the need for integration mechanism is even higher. The service oriented architecture (SOA) is the most preferable technology which allows to view the software applications more as a service rather than a product. Metro is a very high-performance web services stack technology which can handle high load common in enterprise applications. This web services stack can be extended by another new technologies.Best of all it is a very easy-to-use web service stack.
From the simplest web service to highly complex web services which are reliable, secured, and transacted web service that involves .NET services interoperability the Metro is an answer to most of the requirements for web services.
For seamless connectivity among web services developed on different platform this new technology uses protocols like http, soap among others. Moreover, the support for various transport protocols is open to be extended in this technology. In today's complex architecture of enterprise applications it is of utmost importance that messages transported are reliable. In other words , it is required that the messages that are communicated are securely transferred and are not lost over the wire in transit. The underlying technology has to be so much reliable that without user intervention this feature should be able to be implemented. Metro technology provides all of this and more.
Support for transactions is a prominent feature in this new technology. Transaction support ensures that the atomicity of the whole transaction is maintained. Although J2EE technology provides transaction support , this technology provides support for web services transactions. Metro web services stack provides security by using a new technology WS-security. WS-security is a technology specification which enables platform independent security model to be implemented.
Thus we see that Metro web services technology provides a secure, reliable stack to develop web services.
I found some good information
Metro with GlassFish v3 TP2 and NetBeans
Web Services Security in Metro video interview
Metro and GlassFish on the road to yet better interop with Microsoft's Web Services stack
Metro Web Services .NET 3.5 Plugfest 3/08 Results
Monday, June 16, 2008
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