Neither subarea networking nor APPN resolved a weakness related to the loss of an SNA session when a resource along the session route fails. Besides improving routing performance, HPR provides non-disruptive re-routing of the SNA session to an available alternate route. HPR also enables the integration of SNA into
IP-based backbones.
HPR supports 2 sub-functions. RTP (rapid transport protocol) supports sophisticated function such as non-disruptive path autofailover, end-to-end error recovery, packet resquencing, flow control. RTP is used for high speed network
ANR (Automatic Network Routing) is a source-routing protocol. It is designed to have low CPU and storage overhead. It may be used for low speed link.
No comments:
Post a Comment