Actually, yes and no. Both BEA and IBM both sell
J2EE application servers. These are called the WebLogic application server (from BEA) and the IBM WebSphere application server (from IBM). These are products which implement the J2EE spec and (for instance) host
Servlets,
JSP's and EJB's.
However, WebSphere is also a brand name for products that are built on that
Java technology. For instance, there is WebSphere portal server, WebSphere commerce server, WebSphere business integrator, and WebSphere personalization. All-in-all, IBM provides a one-stop-shop for web and transactional technology that is unique in the industry. No other company provides the breadth of products as IBM -- so you are guaranteed that if you buy a solution from IBM it will all work together.
For more information on the WebSphere family, see
http://www-4.ibm.com/cgi-bin/software/track3.cgi?file=/software/info/websphere/index.html&S_TACT=100AWW10&S_CMP=campaign Kyle Brown
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Kyle Brown,
Author of
Enterprise Java (tm) Programming with IBM Websphere