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Re: [stir] WGLC: draft-ietf-stir-messaging-02

"Peterson, Jon" <jon.peterson@team.neustar> Mon, 25 July 2022 19:04 UTC

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From: "Peterson, Jon" <jon.peterson@team.neustar>
To: Brian Rosen <br@brianrosen.net>, Ben Campbell <ben@nostrum.com>
CC: IETF STIR Mail List <stir@ietf.org>, "stir-chairs@ietf.org" <stir-chairs@ietf.org>
Thread-Topic: [stir] WGLC: draft-ietf-stir-messaging-02
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Date: Mon, 25 Jul 2022 19:03:12 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/stir/72esph_wT3tpV06p54PQobC9AbQ>
Subject: Re: [stir] WGLC: draft-ietf-stir-messaging-02
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Thanks for these notes Brian.

I have finally looked at this document and have only a few comments:

  1.  Section 3.1 seems to indicated that messaging over RFC4103 is different from messaging defined in 5194.  5194 uses 4103, so there is no difference.  You can cite either.  I’d probably cite 4103.  The important point is that it is signaled by INVITE, and thus existing STIR works.

Okay, I’ve paraphrased that so that RFC5194 and RFC4103 are both parenthetically listed in the reference to real-time text session negotiation.

2. Would it be helpful to better describe how emergency services use MESSAGE?  It’s used to signal a non interactive call, for example, an alarm, which does not have any two way interactive media but has data crucial for emergency services to get.  There is no durable session: we use pager mode MESSAGE to get the data. Emergency services use MSRP also, but that is covered by STIR on INVITE.

Is the reference to RFC8876 not sufficient there? From a quick glance, it looks like it’s got what people want. I guess I thought the third paragraph of the Introduction of stir-messaging gets it across.

Jon Peterson
Neustar (a TransUnion company)

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