Subject: Re: [AVT] I-D ACTION:draft-ietf-avt-rtp-hdrext-00.txt

From: Colin Perkins <[email-masked]>
Date: Sat, 3 Sep 2005 15:41:11 +0100

On 16 Aug 2005, at 20:50, [email-masked] wrote:
> A New Internet-Draft is available from the on-line Internet-Drafts  
> directories.
> This draft is a work item of the Audio/Video Transport Working  
> Group of the IETF.
>
>     Title        : A general mechanism for RTP Header Extensions
>     Author(s)    : D. Singer
>     Filename    : draft-ietf-avt-rtp-hdrext-00.txt
>     Pages        : 8
>     Date        : 2005-8-16
>
>    This document provides a general mechanism to use the header-
>    extension feature of RTP (the Real Time Protocol).  It provides the
>    option to use a small number of small extensions in each RTP  
> packet,
>    where the universe of possible extensions is large and  
> unregistered.
>    The actual extensions in use in a session are signaled in the setup
>    information for that session.
>
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-ietf-avt-rtp-hdrext-00.txt

I have two comments on this:

  - Needs ABNF for the "a=extmap:" identifier, plus the other parts  
of the
    registration template for SDP attributes.

  - Does the date in "a=extmap:" need to go first, to avoid clashes with
    numeric domain names?

In addition, the idnits tool finds a number of problems:

   Checking nits according to http://www.ietf.org/ID-Checklist.html:
   * The document seems to lack separate sections for
     Informative/Normative References.
     Checking conformance with RFC 3978/3979 boilerplate...
   * The document claims conformance with section 10 of RFC 2026, but
     uses some RFC 3978/3979 boilerplate.  As RFC 3978/3979 replaces  
section
     10 of RFC 2026, you should not claim conformance with it if you  
have
     changed to using RFC 3978/3979 boilerplate.

   Checking nits according to http://www.ietf.org/ietf/1id- 
guidelines.txt:
   * The document seems to lack a 1id_guidelines paragraph about
     Internet-Drafts being working documents -- however, there's a  
paragraph
     with a matching beginning. Boilerplate error?
   * The document seems to lack a 1id_guidelines paragraph about 6
     months document validity -- however, there's a paragraph with a  
matching
     beginning. Boilerplate error?
   * The document seems to lack a 1id_guidelines paragraph about the
     list of current Internet-Drafts -- however, there's a paragraph  
with a
     matching beginning. Boilerplate error?
   * The document seems to lack a 1id_guidelines paragraph about the
     list of Shadow Directories.
   - It seems as if not all pages are separated by form feeds - found 0
     form feeds but 8 pages

Colin

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