> The solution, of course, is to use SIP over TCP. Agreed, but that too has implications. Maybe your carriers support TCP, maybe they don't. Also, the memory footprint on gear just got bigger to manage the TCP overhead. We've also seen odd incidents around TCP (not releasing sessions and exhausting sockets, etc), but that's all been patched by now.* (Or has it been?)*
Is anyone out there doing SIP/TCP on a large-scale basis? Thoughts on implementation/technologies? Where in the network would you do your assertion (softswitch, SBC, other?), and where would you authenticate incoming (my inclination is to do it at the SBC edge)?
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