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What Is APPN Class of Service? z/OS Communications Server: SNA Network Implementation Guide SC27-3672-01 |
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APPN Class of Service defines the characteristics of a route for a session. Unlike subarea Class of Service, which defines the actual routes to be used for a session, APPN Class of Service defines the characteristics of the nodes and transmission groups (TGs) to be used for a session. VTAM® chooses an APPN route by matching the required characteristics defined in the COS definition with the actual characteristics of the nodes and TGs in the topology database. |
Copyright IBM Corporation 1990, 2014
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