[Serusers] NAT with multiple SERs

[Juha Heinanen]

Jan Janak writes:

 > You can redirect the REGISTER request to the 2nd server. SER-1 receives
 > a REGISTER and processes it with save_noreply(). It then redirects the
 > REGISTER method to the 2nd server using sl_send_reply("301", "Moved
 > Permamently"); The 2nd server will detect that the REGISTER has been
 > redirected and will generate 200 OK (a parameter in the request-uri
 > could be used for the detection).

the detection part could possibly be done without any r-uri params as
follows: before updating contact in db location table and generating
301, ser checks from db if contact has been updated "recently" and if so
it would only do memory update and would not generate 301.

-- juha