Security Session Inactivity

What does the InactivityTimeout on a secure channel do?

The inactivity timeout on a message security channel controls how long the channel will allow pending security sessions to linger in its cache before giving up on them. This is completely different from the inactivity timeout on a reliable messaging channel, which controls how long the reliable session will live without an infrastructure message before being torn down, and the inactivity timeout in the application, which controls how long the service instance will live without an application message before being torn down.

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