RE: [PWE3] WG last call requested for draft-ietf-pwe3-fcs-retenti on-01.txt

[Sasha Vainshtein <Sasha at AXERRA.com>]

Andy and all,
A brief pre-LC comment on the draft in question:

In its present form the draft only indicates whether the FCS is 
retained or not  as the corresponding Interface Parameter does 
not carry any value,just ID. 

This is OK when dealing with Ethernet and ATM AAL5 PWs. 

However, if you want to retain FCS in HDLC or FR PWs, FCS retention 
only makes sense if the two ACs use the same FCS size (2 or 4 bytes). 
If the sizes are different, FCS retenation cannot function. 
However, the draft does not allow signaling of the expected FCS 
size and hence does not prevent successful setup of non-operational PWs. 

Hopefully this comment will be helpful.
 
-----Original Message-----
From: Andrew G. Malis
To: PWE3 (IETF)
Sent: 5/20/2004 11:21 PM
Subject: [PWE3] WG last call requested for
draft-ietf-pwe3-fcs-retention-01.txt

The authors feel that this draft is ready to enter WG last call.

Thanks,
Andy

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To: i-d-announce at ietf.org
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From: Internet-Drafts at ietf.org
Subject: I-D ACTION:draft-ietf-pwe3-fcs-retention-01.txt
Date: Thu, 20 May 2004 16:02:00 -0400

A New Internet-Draft is available from the on-line Internet-Drafts
directories.
This draft is a work item of the Pseudo Wire Emulation Edge to Edge
Working 
Group of the IETF.

	Title		: PWE3 Frame Check Sequence Retention
	Author(s)	: A. Malis, et al.
	Filename	: draft-ietf-pwe3-fcs-retention-01.txt
	Pages		: 6
	Date		: 2004-5-20
	
This document defines a mechanism for preserving frame FCS through
Ethernet, Frame Relay, and HDLC pseudowires.

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