[Serusers] reuse of existing tcp connection

[Juha Heinanen]

Andrei Pelinescu-Onciul writes:

 > A quick way is to change TCP_CON_TIMEOUT and TCP_CON_SEND_TIMEOUT to 
 >  a big enough value (e.g 24*3600) and recompile. You can find them in
 >  tcp_conn.h .

is the timeout reset upon any activity?  anyway, that alone doesn't
help, i.e., alias should also be supported so that requests from the
other ua use the same connection.

-- juha