Re: [Sip] draft-petithuguenin-sip-outbound-fragmentation-01

[jh at tutpro.com (Juha Heinanen)]

Marc Petit-Huguenin writes:

 > So, how do you solve the problem of using a SIP endpoint behind a NAT? a
 > SIP endpoint been defined as running on UDP AND TCP.  Because this is
 > the problem here.

it has already been solved in practise.  see see/openser documentation
for proxy operation and, for example, nokia SIP UA for TCP UA operation.
there is no need to standardize anything for nat traversal.  

there would have been need to standardize UA behavior for load balanced
resilient operation, but that was excluded from outbound.  now there is
nothing left worth writing an outbound rfc.

-- juha


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