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Re: [Sip] Open Issue #181: Forking OPTIONS
- To: Jonathan Rosenberg <jdrosen@dynamicsoft.com>
- Subject: Re: [Sip] Open Issue #181: Forking OPTIONS
- From: Jonathan Rosenberg <jdrosen@dynamicsoft.com>
- Date: Thu, 27 Dec 2001 02:42:52 -0500
- CC: sip@ietf.org
- List-Id: Session Initiation Protocol <sip.ietf.org>
- Sender: sip-admin@ietf.org
- User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:0.9.4) Gecko/20011128 Netscape6/6.2.1
There were no comments on this proposal. I interpret silence as
acceptance of the proposal. Issue closed.
-Jonathan R.
Jonathan Rosenberg wrote:
> Issue:
>
> OPTIONS, like any other request,could fork. The response you get back will
> be from one of the UA that receives the OPTIONS request. Which one will be
> arbitrary. Furthermore, when you send a subsequent request based on that
> OPTIONS, no guarantees that it is within the capabilities of any of the
> other UA that received the OPTIONS request initially.
>
> Discussion:
>
> THis is a genearl problem with forking. We can take an approach similar to
> SUBSCRIBE, and define a "reverse OPTIONS", which contains the capabilities
> of each UA. This reverse OPTIONS would be sent by each server back towards
> the UA that sent the OPTIONS, much like NOTIFY.
>
> But, I think thats overkill to solve a problem that is not so important. The
> limited use of OPTIONS, combined with the limited use of forking, makes this
> something which is a don't care. The proposal therefore is:
>
> Proposal:
>
> Document this limitation of OPTIONS with a few sentences.
>
> -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
> http://www.jdrosen.net PHONE: (973) 952-5000
> http://www.dynamicsoft.com
>
>
> _______________________________________________
> Sip mailing list http://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
>
--
Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Avenue
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
jdrosen@dynamicsoft.com FAX: (973) 952-5050
http://www.jdrosen.net PH: (973) 952-5000
http://www.dynamicsoft.com
_______________________________________________
Sip mailing list http://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