"Krishnaswamy, Pavitra" wrote:
>
> Hi,
>
> I have a question about multicast registrations.
>
> What is the exact purpose of a multicast registration? Is it only meant
> for
> discovery of Registrars when a UA doesn't have this information or does
> it
> have any other meaning/use?
Discovery is the primary motivation.
> In a UA implementation, does the multicast
> registration have to be refreshed periodically?
Yes.
> If yes, won't it cause
> traffic issues on the network (more so if the expires header for the
> registration request is small). Would really appreciate any input on
> this
> issue.
The solution in this case is to have the first registration be
multicast, and then the registrar sends a 301 response, pointing the
user to a unicast address that it would use for subsequent
registrations.
-Jonathan R.
--
Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Avenue
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
[EMAIL PROTECTED] FAX: (973) 952-5050
http://www.jdrosen.net PH: (973) 952-5000
http://www.dynamicsoft.com
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