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Re: FDDI or 100Mb Ethernet

  • From: Dorn Hetzel
  • Date: Fri Feb 06 17:28:02 1998

I have started to look at "Fast Ethernet" and see "Full-Duplex
Switched Fast Ethernet".  I mean, the switch ports are SO cheap,
why do anything less...

On Fri, Feb 06, 1998 at 04:17:53PM -0500, Dean Anderson wrote:
> At 2:35 PM -0500 2/6/98, Deepak Jain wrote:
> >FDDI can run full duplex, as for the other two things its a matter of
> >opinion & conditions.  (One I agree with, but still opinion).
> For desktops, I agree completely that fast ethernet is the way to go.  Fast
> ether hubs are cheaper and easier to wire than cddi hubs (no cross over
> cables required).
> For a backbone, though, I would point out that FDDI is a token ring
> protocol, so performance is always predictable. Ethernet, and fast ethernet
> have performance knees.  (Actually, I'm assuming Fast Ethernet will have a
> knee at around 70% utilization. I haven't tested that it really does).
> Also, both Fiber and Copper can be implemented with dual attached rings
> which might be an advantage for a backbone link.
> 		--Dean
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>            Plain Aviation, Inc                  [email protected]
>            LAN/WAN/UNIX/NT/TCPIP
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++