WebSphere® Process Server and WebSphere Enterprise Service Bus rely on WebSphere Application Server for all Internet Protocol Version 6 compatibility.
IBM® WebSphere Application Server Version 6.1 and its JavaMail component support Internet Protocol Version 6 (IPv6).
For more information about this compatibility in WebSphere Application Server, see "IPv6 support" in the WebSphere Application Server Network Deployment documentation.
For more information about IPv6, see www.ipv6.org.