Re: Going the distance

[Bruce_Tolley@xxxxxxxx]

The point has been made before that today customers are already going 5 to 10 Km
with 1000BASE-LX.  There should be no debate that it is a market requirement to
go 5 to 10 km with 10 GbE.

While I am willing to consider accepting  a conservative 2 to 3 km goal as the
official goal of the project,  we need to acknowledge that this is a
conservative goal and, as we get on with the work of the project , we should
investigate whether we can stretch this goal..

Bruce Tolley
3Com Corporation




Rich Taborek <rtaborek@xxxxxxxxxxxxxxxx> on 06/29/99 05:01:32 PM

Please respond to rtaborek@xxxxxxxxxxxxxxxx

Sent by:  Rich Taborek <rtaborek@xxxxxxxxxxxxxxxx>


To:   Howard Frazier <hfrazier@xxxxxxxxx>, HSSG <stds-802-3-hssg@xxxxxxxx>
cc:    (Bruce Tolley/HQ/3Com)
Subject:  Re: Going the distance





Howard,

I will gladly accept your suggestion of removing the portion of the
motion in parenthesis as a  friendly amendment post-haste given your
support of this motion as a seconder.

- Rich

Howard Frazier wrote:

> The more I think about it, the more I like the idea of adopting the
> 802.3z link distance objectives for 10 Gig. We should remember that
> we are still in the study group phase, trying to scope out a project.
> We can always adjust the objectives later.
>
> Let me therefore state my support for Rich's proposed motion:
>
> > "Support the premises cabling plant distances as specified in
> > ISO/IEC 11801"
> >
> > The distances supported in ISO/IEC 11801 are:
> >
> > 100 m for horizontal cabling (applicable to copper, MMF, SMF)
> >
> > 550 m for vertical cabling: (applicable to SMF and possibly MMF)
> >
> > 2-3 km for campus cabling: (applicable to SMF)
>
> Rich, I would encourage you to drop the parenthesis.
>
> If we adopt this objective, we can make progress on the rest of the
> work we need to do as a study group.  As was demonstrated in 802.3z,
> we will need to review the objectives periodically, and revise them
> if there is consensus to do so.
>
> Howard Frazier
> Cisco Sytems, Inc.

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