The Always Available suite uses software switches to fork user sessions at the presentation layer, enabling applications to process in multiple data centes. Support for Web Services as well as legacy protocol is provided as part of the suite. Further support for network protocols is provided through "protocol adapters" that are easily plugged into the Always Available suite of products.The suite is configured in three configurations. The "Replication" suite is a configuration of Switches and Nodes.
Switches communicate with end users, Nodes communicate with the application servers. The "Journaling" suite adds the abilility to journal all messages to disk and further migrate to nearline or offline storage devices. This suite allows for auditing of messages and data integrity checks. The "Synchronization" suite provides the ability to rebuild sites on the fly, by pulling data from the Journals and "replaying" the transactions to the targeted applications.
Always Available has not been reviewed by any customers.
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