Subject: [AVTCORE] [Editorial Errata Reported] RFC5109 (3461)

From: RFC Errata System <[email-masked]>
Date: Wed, 16 Jan 2013 12:49:50 -0800 (PST)

The following errata report has been submitted for RFC5109,
"RTP Payload Format for Generic Forward Error Correction".

--------------------------------------
You may review the report below and at:
http://www.rfc-editor.org/errata_search.php?rfc=5109&eid=3461

--------------------------------------
Type: Editorial
Reported by: Adam Li <[email-masked]>

Section: 10.2

Original Text
-------------
In Figure 15,

   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |0|0|0|0|0 0 0 0|0|0 0 1 1 0 0 1|0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0|
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   ....

      P rec.:    0     [0 XOR 0 XOR 0 XOR 0]
      X rec.:    0     [0 XOR 0 XOR 0 XOR 0]
      CC rec.:   0     [0 XOR 0 XOR 0 XOR 0]
      M rec.:    0     [1 XOR 0 XOR 1 XOR 0]

Corrected Text
--------------
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |0|0|0|0|0 0 0 0|1|0 0 1 1 0 0 1|0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0|
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   ....

      P rec.:    0     [0 XOR 0]
      X rec.:    0     [0 XOR 0]
      CC rec.:   0     [0 XOR 0]
      M rec.:    1     [1 XOR 0]

Notes
-----
These fields (P rec., X rec., CC rec., and M rec.) should be calculated from the packets that are protected at Level 0 (as specified). The specification text in previous sections are all correct. This change here is only a typo in the examples, but correcting it helps to understand the specification.

Instructions:
-------------
This errata is currently posted as "Reported". If necessary, please
use "Reply All" to discuss whether it should be verified or
rejected. When a decision is reached, the verifying party (IESG)
can log in to change the status and edit the report, if necessary. 

--------------------------------------
RFC5109 (draft-ietf-avt-ulp-23)
--------------------------------------
Title               : RTP Payload Format for Generic Forward Error Correction
Publication Date    : December 2007
Author(s)           : A. Li, Ed.
Category            : PROPOSED STANDARD
Source              : Audio/Video Transport
Area                : Real-time Applications and Infrastructure
Stream              : IETF
Verifying Party     : IESG