When using J Retrieval High availability option, In addition to sharing
information between separate FileNet systems, it also provides users
connected to one FileNet Image Services system with the capability
to retrieve documents stored on a separate system without having to
log-off and re-log-on to the second system. You simply specify in
the J Retrieval configuration the domain names of both primary and
secondary IS servers you wish to access, and it will transparently
handles the communications. The product is licensed per server.