OpenSwitch is a Sybase Open Server gateway placed between client connections such as isql, or any application developed using Sybase Open Client, ODBC, or JDBC libraries, and two or more Adaptive Servers®.
OpenSwitch transparently transfers incoming connections to Sybase server products, such as an Adaptive Server or another Sybase Open Server application (including another instance of OpenSwitch), either manually in response to an administrative request, or automatically in response to an Adaptive Server failure.
Figure 1-1: Basic OpenSwitch functionality
Any OpenSwitch connection switch remains transparent to the client application, and does not require disconnecting and reconnecting. Client applications are presented with a view of one stable connection while behind the scenes, servers are started and stopped for maintenance, failover, batch processing, and so on.
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