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RE: [Diffserv] Minutes from DC



That's right. One of the more important goals for 802.1 was to have it "just
work" without configuration for as many common deployment scenarios as
possible - this is a non-goal for Diffserv I think.

Andrew

> -----Original Message-----
> From: Brian E Carpenter [mailto:brian@hursley.ibm.com]
> Sent: Wednesday, December 01, 1999 3:13 PM
> To: Andrew Smith
> Cc: 'Kathleen Nichols'; diffserv@ietf.org
> Subject: Re: [Diffserv] Minutes from DC
> 
> 
> The advantage that diffserv has in this game is that we 
> explicitly mandate
> domain-specific mappings from code points to behaviors, so 
> that only people
> who want this kind of setup have to deal with it.
> 
>    Brian
> 
> Andrew Smith wrote:
> > 
> > This is effectively the approach taken by IEEE 802.1D-1998 
> MAC Bridging (the
> > standard formerly known as 802.1p): they have 8 traffic 
> classes which, by
> > default, on an 8-queue switch, are strict-priority-queued 
> in the descending
> > order 7,6,5,4,3,0,2,1. Traffic class 0 is ranked above 
> traffic classes 1 and
> > 2 in this ordering to accomodate the vast majority of 
> current traffic which
> > is marked for traffic class 0.
> > 
> > The ISSLL work on RSVP-over-IEEE802-lower-layers takes 
> advantage of this in
> > its merging rules. A similar approach has been recommended 
> in discussions of
> > RSVP-over-Diffserv in ISSLL WG although I'm not sure it has 
> found its way
> > into print yet.
> > 
> > Andrew
> > 
> > > -----Original Message-----
> > > From: Kathleen Nichols [mailto:kmn@cisco.com]
> > > Sent: Tuesday, November 30, 1999 4:40 PM
> > > To: diffserv@ietf.org
> > > Subject: [Diffserv] Minutes from DC
> > > -- draft-bless-diffserv-lbe-phb-00.txt
> > >
> > > Less than Best Effort PHB.
> > ...
> > > One proposal was to remap DSCP 0 to be the same as Class 
> Selector 2,
> > > thus turning Class Selector 1 into LBE.
> > 
> > _______________________________________________
> > diffserv mailing list
> > diffserv@ietf.org
> > http://www.ietf.org/mailman/listinfo/diffserv
> > Archive: http://www-nrg.ee.lbl.gov/diff-serv-arch/
> 

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