[Sigtran] SUA, IPSP SE mode and ASP Active Ack Traffic mode param

["Jason Parker" <[e-mail]>]

Hello,
My question relates to the Single Exchange mode of operation in an IPSP
situation for the SUA.  

For the Traffic mode param in the ASP Active Ack message RFC3868 states:
"..reflecting any Traffic Mode Type value present in the related ASP
Active message." 
This implies it should be the same (possibly validated ?) Traffic Mode
sent in the ASP Active Ack message as was received in the ASP Active
message.


RFC3868 also says about IPSP considerations: "...An ASP receiving an ASP
Active Ack message may mark the peer as ASP-Active, if it is not already
in the ASP-ACTIVE state."   
i.e. we receive an Ack to the message sent from this end, containing our
own Traffic mode and not that from the remote end.  So my question is
how do we obtain the traffic mode from the remote end ?

Thanks in advance,
Jason


 

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