A number of whitepapers have had a few updates lately and have been republished on My Oracle Support. The whitepapers that have been updated are:
Implementing Oracle ExaLogic and/or Oracle WebLogic Clustering (Doc Id: 1334558.1)
Production Environment Configuration Guidelines (Doc Id: 1068958.1)
The full set of the available whitepapers will be updated over the next few months. Watch this blog and My Oracle Support for further announcements.