Re: [Sip] INFO considered harmful

[Jonathan Rosenberg <jdrosen@dynamicsoft.com>]

inline.

Dean Willis wrote:
> Jonathan Rosenberg wrote:
>
> > Folks,
> >
> > For some time, I've been complaining about the continued abuse of the 
> > INFO method for things that should be done other ways (frequently, not 
> > using sip at all). I've written up a summary of the problems and a 
> > proposed path forward. Specifically, I'd like to obsolete INFO and 
> > replace it with a spec that is approved ONLY for SIP-T.
> >
> > Until the I-D appears, you can pick up a version at:
> >
> > http://www.jdrosen.net/papers/draft-rosenberg-sip-info-harmful-00.txt
> > http://www.jdrosen.net/papers/draft-rosenberg-sip-info-harmful-00.html
>
> Jonathan and I have had "extended discussions" on this. I'm more 
> inclined to think that INFO needs specifications for specific usages, 
> much as we use "events packages" for SIP Events (SUBSCRIBE, NOTIFY). In 
> my own completely non-original way, I call these "INFO Packages".
>
> I think that the SIP-T usage of INFO is a perfect example of an INFO 
> package.  However, I think it is NOT the only reasonable use for INFO.
> Unsolicited in-dialog "stuff" is pretty darned useful. All we really 
> need is for the usages to be differentiable, negotiable, and 
> well-documented.
The point I was making in the draft was - why bother? INFO by itself 
provides nothing. If you want differentiable, negotiable and 
well-documented things, define them as new methods. What does INFO give 
you beyond that?


> --
> Dean
> Not Speaking From The Chair.
From the stool then? ;)

-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

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