Re: [salud] Review comments on draft-ietf-salud-alert-info-urns-13

Laura Liess <laura.liess.dt@googlemail.com> Sun, 21 September 2014 12:01 UTC

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Date: Sun, 21 Sep 2014 14:01:33 +0200
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From: Laura Liess <laura.liess.dt@googlemail.com>
To: Christer Holmberg <christer.holmberg@ericsson.com>
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Subject: Re: [salud] Review comments on draft-ietf-salud-alert-info-urns-13
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Dale, Christer,

Thank you.  I hope to be able to publish version 14 by Tuesday.

Kind regards
Laura

2014-09-20 10:38 GMT+02:00 Christer Holmberg <christer.holmberg@ericsson.com
>:

>  Hi Laura,
>
>
>
> - Issue 4.2 :
>
>      - New text for Section "Abstract", second paragraph:
>
> "This document normatively updates RFC 3261, which defines the Session
> Initiation Protocol (SIP): It changes the usage of the Alert-Info header
> field defined in RFC 3261 by additionally allowing its use in any non-100
> provisional response to INVITE (except the 100 response).This document
> also permits proxies to add or remove an Alert-Info  header field, and to
> add or remove Alert-Info header field values."
>
>
>
> I suggest you remove "except the 100 response". You already say "non-100
> provisional response", so...
>
>
>
> Regards,
>
>
>
> Christer
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>      - It is not clear to me if we completly drop Section 4.2 or if we
> keep it with the new text:
>
> "A SIP proxy MAY add or remove an Alert-Info header field, and MAY add or
> remove Alert-Info header field values, in a SIP request or a non-100
> provisional response."
>
>
>
>        - Section  14 "Proxy Behaviour". First paragraph is replaced by:
>
> "A SIP proxy MAY add or remove an Alert-Info header field, and MAY add or
> remove Alert-Info header field values, in a SIP request or a  non-100
> provisional response when it needs to modify the  information about the
> call or about the provided services."
>
>
>
>
>
>
>
> -  Issue "General":  New text at the end of Section 13 "User Agent
> Behaviour"
>
> "Subsequent provisional responses, even within the same dialog, may
> contain different Alert-Info header field values.  The Alert-Info header
> field values received within different Provisional responses are treated
>  independently.  If subsequent provisional responses containing  different
> Alert-Info header field values were received within the same dialog, the
> User Agent should render at anytime the last received Alert-Info header
> field value. The handling of provisional responses containing  different
> Alert-Info header field values which were not received within the same
> dialog is left as an implementation issue."
>
>
>
> Thank you
>
> Laura
>
>
>
>
>
> 2014-09-13 10:28 GMT+02:00 Christer Holmberg <
> christer.holmberg@ericsson.com>;:
>
> Hi,
>
> >> That's my point: we could say that a proxy can remove the Alert-Info
> >> header field - without saying anything about updating 3261 :)
> >
> > It seems to me that if we're going to have a section which describes the
> normative changes to 3261, > it should list every normative change we make
> to 3261, even if it isn't the sort of change that has in > the past been
> done by declaring a textual amendment to 3261.
>
> Correct.
>
> So, my suggestion is still that we don't say anything about updating 3261.
> We simply say that a proxy can remove the Alert-Info header field/header
> field values, and that's it.
>
> Regards,
>
> Christer
>
>
>