I have been selected as the General Area Review Team (Gen-ART) reviewer
for this draft (for background on Gen-ART, please see
http://www.alvestrand.no/ietf/gen/art/gen-art-FAQ.html). Please resolve
these comments along with any other Last Call comments you may receive.
Document: draft-ietf-fecframe-dvb-al-fec-03.txt
Reviewer: Sean Turner
Review Date: 2009-12-08
IETF LC End Date: 2009-12-14
IESG Telechat date: unknown
Summary: This draft is on the right track but has open issues, described
in the review.
Purpose of the ID: I don't think it's clear what the purpose of the ID
is from reading the abstract/introduction. The abstract says "This
document describes how one can implement the DVB-IPTV AL-FEC protocol by
using the 1-D interleaved parity code and Raptor code that have already
been specified in separate documents." The introduction says "This
specification covers several areas related to the transmission of MPEG2
transport stream-based services over IP networks" and "This document
shows how this configuration may be communicated out-of-band in the
Session Description Protocol (SDP) [RFC4566]." Are these the same or
should what's in the intro be copied in to the abstract?
Intro 2nd pargagraph: Is the ID based on the ETSI v1.3.1 or on the
bluebook or on the v1.4.1? If it's either of the last two and they are
works in progress, then you're pinned on them completing. Also, the
last sentence says there are changes to the AL-FEC protcol so I think
you need to be clear what version you've based this ID on. I don't get
that from the intro.
Security Considerations: Should probably change the security
considerations to say something along the lines of "this specification
adds no new security considerations to the AL-FEC protocol" or something
like that.
Question:
I assume that the absence of the "conventions used in this document"
section was done on purpose because there are no MUST, SHOULD, etc. words.
NITS:
1. Abstract: Spell out DVB on first occurrence.
2. Intro 4th paragraph 1st sentence: Remove "normative"; is there an
informative AL-FEC protocol?
spt
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