69
CONFIDENTIAL
26-Jan-04
© 2002 Procket Networks, Inc. All rights reserved.
MSDP Source Active Msgs
•Initial SA message sent when source first registers
•May optionally encapsulate first data packet
•Subsequent SA messages periodically refreshed every 60 seconds as long as source still active by originating RP
•Other MSDP peers don’t originate this SA but only forward it if received
•SA messages cached on router for new group members that may join
•Reduced join latency
•Prevent SA storm propagation
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