16 May
2005
16 May
'05
10:03 p.m.
that sounds fine, but what about all the other messages lets say a
INVITE went to machine1, and the ACK went to machine2, then how would
ser know what its doing. There is a discussion in the archives, subject
LVS or something like that. Some are using a dispatcher module, from
what I have read, but I dont think it is a complete solution...in fact I
am unsure as to whether this is one....
Iqbal
Corey S. McFadden wrote:
I'm hoping to clarify a couple questions on clustering SER in
high-volume environments as well. Assuming authentication is RADIUS,
wouldn't clustering something like what Darren is talking about be as
simple as installing multiple SER boxes and just doing some DNS
round-robin? Would that introduce any registration issues?
-Corey
Darren Nay wrote:
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Senad, Thanks for your response.
There are several reasons.
The 2 biggest are..
1 - We offer our customers the option to forward calls when an IAD is
not registered .. In order to do that the registration interval needs
to be relatively low.
Fine... But still I am curious why u need to do in order to forward the
calls.
2 - We've had some issues with setting registration intervals higher
than 10 minutes. It seems to work about 99.5% of the time, but
occaisionally an endpoint won't reregister before the reg interval on
SER times out. I believe this is a bug in our endpoint and have been
working with them on that. Setting the reg interval below 10 minutes
has eliminated that problem for the time being .. However, even if
this problem was fixed by the IAD manufacturer we still have the
first reason (above) that would keep us from being able to increase
the interval.
Well. apart from fixing the issue with your IAD, you could use DNS SRV
record.
Each time, IAD wants to re-register it will use DNS SRV record, hence
"hitting" different server.
This way, u will need more than one SER server each getting its data
from
central network database.
If you need cluster file system, then you could use GFS or similar.
Regards,
Senad
PSS!!!
Which IAD are you using ?