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RE: [Sip] resource reservation
Jonathan & Mukul,
as far as I know, referring to 3GPP, Rel.5 (frozen) and rel. 6 (being written almost now) specs the following QoS alternatives mechanisms to pure RSVP reservation mechanism will be available:
a) Go Diameter interface on the GGSN (traffic gating & shaping + CAC) + conditioning of the Radio Access Bearer
b) Diffserv and E/L-LSP QoS transport across RAN (but not for reservation, just for PHB treatment)
c) as you correctly stated, end to end RSVP signalling (inheritance of Signalled SIP QoS parameters)
Jac
-----Original Message-----
From: Jonathan Rosenberg [mailto:jdrosen@dynamicsoft.com]
Sent: Monday, December 30, 2002 5:37 PM
To: Mukul Purohit
Cc: sip@ietf.org
Subject: Re: [Sip] resource reservation
Mukul Purohit wrote:
> hi,
> I have a basic question after going through RFC 3312, "Integration of
> Resource Management and SIP".
>
> Has the actual resource reservation mechanism been specified (mandated
> or suggested) by IETF?
There is no mandatory resource reservation scheme. The primary one
specified so far is RSVP. nsis is another one under development. Groups
like packetcable have specified their own QoS protocols.
> Also, has it been specified by any other body like 3GPP which has chosen
> SIP for signaling?
Yes, 3gpp has its own mechanisms that are specific to 3gpp. As I
understand they are built into the GPRS procedures, and reservation
occurs only on the wireless link.
-Jonathan R.
--
Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Ave.
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
jdrosen@dynamicsoft.com FAX: (973) 952-5050
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_______________________________________________
Sip mailing list https://www1.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use sip-implementors@cs.columbia.edu for questions on current sip
Use sipping@ietf.org for new developments on the application of sip