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

[Vijay Gurbani <vkg@lucent.com>]

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

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