[M3UA] ASP UP in IPSP DE mode

Santhana <[email protected]> Thu, 06 Jan 2011 10:26:34 +0530
Newsgroups gmane.ietf.sigtran
Organization Htipl
Message-ID <[email protected]>
Dear Brian

            In IPSP DE mode, is the double exchange of ASP UP messages
mandatory? As per the M3UA RFC 4666, in section 4.3.4.1.2 para2 says double
exchange of ASPSM is MUST.

Whereas in section 5.6.2 in the sequence diagrams it says second exchange is
optional.

 

If it is mandated, then what purpose it solves?

 

Regards

Santhanakrishnan

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