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Article View: comp.dcom.lans.fddi
Article #197

Re: FDDI/Ethernet Comparisons

#197
From: William Scott Hiles x1568
Date: Fri, 06 Nov 1992 20:20
34 lines
1837 bytes
In article s0dvk4g@rhyolite.wpd.sgi.com, vjs@rhyolite.wpd.sgi.com (Vernon Schryver) writes:
>In article <1992Nov5.181527.19254@cbfsb.cb.att.com>, 1841hss@cbnewsb.cb.att.com (anil.verma) writes:
>
>I probably shouldn't say this, given the source of the butter on my
>bread.  The "built in redundancy features" of FDDI are needed, and in 
>no way extra.
>
>FDDI is not now and probably never will be nearly as reliable or robust
>in the face of real world hazards as 10MHz ethernet.  FDDI starts with
>a ring instead of a bus, and works down from there.
>
>FDDI may be more reliable than IBM token ring, because of the dual
>ring.  I don't know.
>
>That FDDI is less reliable is not bad.  Ethernet is in general less
>reliable and robust than simple RS-232.
>
>Speed is not free.
>
>
>Vernon Schryver,  vjs@sgi.com

While we are speculating here, there are a number of FDDI configurations
in FDDI which seem considerably more robust than anything I could get with
ethernet.  Although we have the physical tests, no full theoretical analysis
is available.  Such is just speculation...right?

---
Scott Hiles
whiles@relay.nswc.navy.mil

Standard disclaimer:
  The opinions expressed are those of my own and do not necessarily 
  reflect those of the DOD or the Navy.  I accept full responsibility.
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Message-ID: <1992Nov6.202015.790@relay.nswc.navy.mil>
Path: arc1-ca.pugleaf.net!sparky!uunet!ukma!wupost!zaphod.mps.ohio-state.edu!saimiri.primate.wisc.edu!relay!sunoco!whiles
References: <s0dvk4g@rhyolite.wpd.sgi.com>

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From: whiles@nswc.navy.mil (William Scott Hiles x1568)
Subject: Re: FDDI/Ethernet Comparisons
Message-ID: <1992Nov6.202015.790@relay.nswc.navy.mil>
Sender: news@relay.nswc.navy.mil
Reply-To: whiles@nswc.navy.mil
Organization: Naval Surface Warfare Center, Dahlgren Division
References: <s0dvk4g@rhyolite.wpd.sgi.com>
Date: Fri, 6 Nov 1992 20:20:15 GMT
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