Friday, June 28, 2013

WCF Timeouts explained

Found this good explanation for the various timeouts in WCF and which ones get used on the client and which get used on server.

Brief summary of binding timeout knobs...

Client side:

  • SendTimeout is used to initialize the OperationTimeout, which governs the whole interaction for sending a message (including receiving a reply message in a request-reply case).  This timeout also applies when sending reply messages from a CallbackContract method.
  • OpenTimeout and CloseTimeout are used when opening and closing channels (when no explicit timeout value is passed).
  • ReceiveTimeout is not used.

Server side:

  • Send, Open, and Close Timeout same as on client (for Callbacks).
  • ReceiveTimeout is used by ServiceFramework layer to initialize the session-idle timeout.

From: http://social.msdn.microsoft.com/Forums/vstudio/en-US/84551e45-19a2-4d0d-bcc0-516a4041943d/explaination-of-different-timeout-types

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