Handoff initiated by new MGC

 
Suppose that an MG has two MGCs configured as primary and secondary, and
currently it has a control association with the primary MGC.  The two
MGCs communicate with each other in a way that allows each to detect the
failure of the other quickly, much more quickly than the MG could detect
it by retransmission timeout.  It would be efficient if the secondary
MGC, on detecting failure of the primary, could send SC Handoff to the
MG, instructing it "talk to me now".  But I believe Megaco requires the
MG to reject such a message as unauthorized.  This is really a failover
scenario, but Megaco doesn't allow it on the MGC side.

Am I overlooking something in Megaco that would allow a fast handoff /
failover?

Raphael Tryster
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