108 DataPower SOA Appliance Service Planning, Implementation, and Best Practices
5.3.1 Application Optimization option is not available
The WebSphere DataPower B2B appliance does not currently support the use of
the DataPower Application Optimization option because it does not provide full
Active/Active high availability across all services on the device. The B2B
Gateway Service persists all data that it processes in both a metadata store and
a payload store. The payload store can optionally be moved off-device; however,
the metadata store is only available on-device. As such the metastore cannot be
synchronized between multiple devices in an Active/Active configuration. Without
a shared or synchronized metastore the AO option does not function ...