Re: Token Ring vs. Ethernet

Article View: comp.dcom.lans.misc

Article #305

Back to comp.dcom.lans.misc Previous Next

#305

From: Vernon Schryver
Date: Sat, 21 Nov 1992 06:46

24 lines
1600 bytes

In article <1992Nov21.034833.1276@kalpana.com>, johnb@kalpana.com (John Bartas) writes:
> ...
> I seem to recall some thing about FDDI being an upgrade path for 
> 4/16 Mbit token ring. Soon we will have 100 Mbit ehternet, which should be
> a fairly painless upgrade for ethernet users.

Some FDDI vendors are selling (and shipping, I think) hardware that
does FDDI over shielded twisted pair.

As I understand it, the ANSI X3T9.5 committee has decide that
unshielded twisted pair will be the answer for FDDI.  The UTP in
question is the fancy "data grade" stuff, not voice grade.   I think
Crescendo is about to ship UTP concentrators, and there are probably
some station vendors in the same state.

Vernon Schryver,  vjs@sgi.com

Disclaimer:  after flirting with both the FDDI over STP and FDDI over
    UTP camps in X3T9.5, Silicon Graphics has built and shown some
    prototype FDDI-over-UTP or "CDDI" hardware, including in our booth
    at InterOP92 last month.  The CDDI Indigo was connected to a
    Crescendo concentrator through the 100 m of UTP hanging on the nail
    in the wall.

Technical Details

Message-ID: <skk6pko@rhyolite.wpd.sgi.com>

Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!usc!cs.utexas.edu!sun-barr!ames!sgi!rhyolite!vjs

References: <1992Nov18.172211.10451@mccc.edu> <sige6ao@rhyolite.wpd.sgi.com> <1992Nov21.034833.1276@kalpana.com>

Show Full Headers

Complete Article Headers

Newsgroups: comp.dcom.lans.misc
Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!usc!cs.utexas.edu!sun-barr!ames!sgi!rhyolite!vjs
From: vjs@rhyolite.wpd.sgi.com (Vernon Schryver)
Subject: Re: Token Ring vs. Ethernet
Message-ID: <skk6pko@rhyolite.wpd.sgi.com>
Organization: Silicon Graphics, Inc.  Mountain View, CA
References: <1992Nov18.172211.10451@mccc.edu> <sige6ao@rhyolite.wpd.sgi.com> <1992Nov21.034833.1276@kalpana.com>
Date: Sat, 21 Nov 1992 06:46:10 GMT
Lines: 24

Reply to Parent Message