Subject: Re: [Sip] Open Issue #178: Deprecate absolute times absolutely: SPEAK UP IFYOU USE THEM IN YOUR PRODUCT!!!!!!!!!!

From: "Kiranmai Pavoori" <[email-masked]>
Date: Tue, 11 Dec 2001 09:48:22 -0600

Proposal A resolves lots of synchronization problems seen in my work..

>>> Vijay Gurbani <[email-masked]> 12/10 12:44 PM >>>
Jonathan Rosenberg wrote:
> 
> Issue:
> 
> The Expires header and expires param in the Contact header allow for
> absolute times expressed in GMT. The problem with using absolute times in
> the messages is that they require clock synchronization between the two
> elements.
[...]
> PROPOSAL A:
>   * Remove absolute times entirely from the specification
> 
> PROPOSAL B:
>   * Elements MUST NOT send messages with absolute times in Expires or
> ;expires, but they MUST be prepared to receive requests with absolute 
> times in those headers, for backwards compatibility
> 
> If we can do A, we should. So, speak up NOW if you use absolute times!!!

Proposal A is fine.  Our registrar sends out delta time in responses to
Register requests, for instance.

Thanks,

- vijay
-- 
Vijay K. Gurbani  vkg@{lucent.com,research.bell-labs.com,acm.org} 
Internet Software and eServices Group 
Lucent Technologies/Bell Labs Innovations, 2000 Lucent Lane, Rm 6G-440
Naperville, Illinois 60566     Voice: +1 630 224 0216   Fax: +1 630 713 0184

_______________________________________________
Sip mailing list  http://www1.ietf.org/mailman/listinfo/sip 
This list is for NEW development of the core SIP Protocol
Use [email-masked] for questions on current sip
Use [email-masked] for new developments on the application of sip

_______________________________________________
Sip mailing list  http://www1.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use [email-masked] for questions on current sip
Use [email-masked] for new developments on the application of sip