20 Oct
2005
20 Oct
'05
7:13 p.m.
As a follow up question . Do we have a mechanism by which a SER proxy can
get/pull information from another SER proxy about clients registered. Here
is a scenario.
I have deployed a SER proxy - "PROXY-A" to which a very large number of
users are registered. I need to bring down PROXY-A for maintenance and
replace it with PROXY-B but donot want the users to register again. Is there
some way by which PROXY-B can pull the info out of PROXY-A so that the
customers donot see this transition.
Is it possible for a SER Proxy to fwd all the learnt registration
information to a backend central registrar. If any call needs to be routed
(eg: an invite message being received) the proxy can lookup the central
registrar and route the call .
thanks,
sandeep
On 10/20/05, sandeep kamath <sandyk76(a)gmail.com> wrote:
Hi,
I had posted this query to the SIP implementors mailing list . So for
those who have not read this let me summarise the problem.
"I wanted to know if there is a mechanism where registration information
could be shared among SIP proxies.wrt to SER . This is helpful in a farm
that is being loadbalanced.
The topology is a vserver that has two SER proxies S1 and S2 on UDP.
A client 'A' sends a register request to the loadbalancer vip/vserver
and the load balancer chooses a service S1 tied on the vip/vserver . The
client is registered at the server S1. Now a new call comes for this client,
hits the vip and the call hashes to the other service S2 bound to the vip.
If S1 and S2 are not sharing the same DB or are not talking to the same
registrar we will have a problem. "
As a solution Dale R. Worley from pingtel suggested that A SIP registrar
can actively duplicate its information into another SIP
registrar by doing third-party REGISTERs to it
.
So my question is how do I set up this third party Registration
mechanism in SER so that a client registers with one proxy and inturn the
proxy transfers this registration info to other participating proxies?
thanks,
sandeep
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