Scaling a message-based system is a common enterprise problem. Web 2.0 needs to get a little enterprise-like to make things work better.
Apache ships version 1.0 of Synapse open source enterprise service bus (ESB) with WSO2 product right behind.
Version 5 of the company's integration software will support more management and communications protocols.
An enterprise service bus can help companies meet basic integration requirements, but there are limits to what a commercial ESB product can do without custom-developed extensions.