The GXE (Gorilla eXecution Engine) version 1.1 features the first UML (unified modeling language)-based <A HREF="http://www.prweb.com/releases/2006/5/prweb385978.htm">application simulation tool</A> to tightly integrate with IBM's Rational Software Modeler and IBM Rational Software Architect tools. The GXE 1.1 expands the capability of the market-leading Rational Software Development Platform with an Eclipse plug-in for RSM and RSA modelers, allowing business analysts and software architects to create and run simulations with a simple keystroke. In addition to Rational products, the plug-in continues to support popular UML modeling tools within the Eclipse environment such as MagicDraw and Poseidon.