Hi,

I am using SIPp and SER for some performance study and
get several errors when using TCP protocol. From the
packet trace, I notice when TCP publicize zero window
at SIPp or SER side, SIP message will get truncated or
several partial or whole SIP message get combined in
one TCP packet, which leads to error. I haven’t
checked the code yet, but if somebody already knows
this off the head, please clarify me of the following
questions.
1)      When SIPp receives a truncated SIP message, how
does it handle the partial message? 
2)      When SIPp receives a packet that has one partial
SIP message combined with another partial SIP message,
how does it handle the packet?

I joined the alias recently, so if the alias already
had discussions on TCP stream behavior and its effects
on SIP implementation, could somebody point the link
to me?

Thanks,
Joy


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