From: carroll@plntree.synapse.net
Date: Mon, 10 Jun 96 11:32:48 
To: P8021@hepnrc.hep.net, jlarson@fnal.gov
Subject: 802.1p/D3 Ballot Response


SUBJECT:  P802.1p/D3 - Traffic Class and Dynamic Multicast Filtering
          Services in Bridged LANs
     
     
__X__ I disapprove for the following reasons.
     
     
             Paul Carroll
     
     
COMMENTS
 
I'm a relative newcomer to the 802.1 group (I've had voting privileges 
for all of six days now), and don't feel I have enough involvement with
802.1p/D3 to give a detailed review.  However, I do have a couple of
general comments...

As per discussed in the 802.1 interim meeting in Wakefield,  I don't 
believe that 802.1p/D3 properly addresses MAC unicast addressing. 
More specifically, it lacks the ability to allow a single MAC to use 
multiple class of services (priorities).  This stems from the fact that a 
frames priority is determined by information within the bridges filtering 
data base, rather than from the frame directly.  I don't believe 802.1p 
should include priority handling for unicast addressing.

Furthermore, in light of potential overlap between 802.1p and 802.1q 
brought up in Wakefield, I would like to see further discussion amongst 
the 802.1 community on the suitability of 802.1p for multicast priority
handling as well.  
     
     /Paul Carroll
     /Plaintree Systems Inc.
     /carroll@plntree.synapse.net