RE: [Sip] about H.323 and SIP

[Henry Sinnreich <[e-mail]>]

The remark "old-style" circuit-switched thinking" is generic I believe,
since there is more to a protocol suite than just circuits or packets.
It is about what the thinking was behind the design.

It has to do with the standards process, architectural philosophy and
"details", such as ASN.1 versus text encoding, etc. Instead of repeating
old discussions, would suggest to go to several web sites that deal with
this subject, such as:

http://www.iptel.org/info/trends/sip.html

There are other web sites, probably also some of which take a more
favorable view of H.323.

I hope this answers the meaning :-)  of "thinking" in the above remark.

Henry

> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On 
> Behalf Of Paul Long
> Sent: Thursday, September 13, 2001 4:56 PM
> To: [e-mail]
> Subject: RE: [Sip] about H.323 and SIP
> 
> 
> Henry,
> 
> Hey, what is this, guilt by association? :-) Yes, _they_ are 
> circuit switched, but H.323 and SIP are 100% packet switched, 
> so I don't understand what your point is here. Moreover, both 
> H.323 and SIP are based on technology from the same 
> era--right about 1990--including the WWW, HTML, ISDN, and 
> H.320, so they are equally "old style."
> 
> BTW, I apologize for the "propaganda" remark. Those three 
> cups of coffee this morning kinda jazzed me up a bit. 8-}
> 
> Paul Long
> 
> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]]On Behalf 
> Of Henry Sinnreich
> Sent: Thursday, September 13, 2001 3:41 PM
> To: 'Paul Long'; [e-mail]
> Subject: RE: [Sip] about H.323 and SIP
> 
> 
> > H.323 does not use "old-style" circuit-switched thinking. 
> This is SIP 
> > propaganda.
> 
> H.323 is part of the H.3xx suite and was developed to be 
> compatible with H.321, H.322, H324 - ISDN, ATM and POTS - all 
> are circuit switched, propaganda or not.
> 
> Its architecture has certainly started with ISDN multimedia.
> 
> Henry
> 
> Henry Sinnreich
> WorldCom
> 400 International Parkway
> Richardson, Texas 75081
> USA
> 
> 
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