[rescue] u2 drive trays

Curtis H. Wilbar Jr. rescue at hawkmountain.net
Tue Aug 19 00:32:06 CDT 2003

Exactly how does 100Mbps FDDI compare to 100Mbps 100baseTX ?

I've never used FDDI... but enough of the discussions on here have
me interested....

Is it pretty cheap to get some FDDI gear these days ?

I have PCs, sbus Suns, PCI suns, and a mix of other machines (Mac
(NuBus, and soon a PCI Mac, and possibly an iMac, VAXstation 2000,
DECstation 5000, a couple of PCI based Alphas (one DEC, one of the
old NoName based systems, and two Aspen Alpine 275XS), etc.

My file server is currently a Solaris 8 Intel box.

What is the best way (and alternately what is the cheapest way) to
link FDDI and 100baseTX efficiently ?

-- Curt

>Date: Mon, 18 Aug 2003 23:48:00 -0400 (EDT)
>From: vance at neurotica.com
>To: "Jonathan C. Patschke" <jp at celestrion.net>
>Subject: RE: [rescue] u2 drive trays
>Cc: The Rescue List <rescue at sunhelp.org>
>On Mon, 18 Aug 2003, Jonathan C. Patschke wrote:
>> > Because of this, I run switched FDDI at home.  Any machine which is
>> > capable of saturating FDDI and has cause for doing so every once in a
>> > while has its own switch port.  The others are plugged into
>> > concentrators plugged into the switch.
>> What in the world is a FDDI switch?  FDDI clients get dedicated
>> bandwidth timeslices by design; that's the whole point of token-passing.
>> Is there yet another layer of isolation that can improve throughput even
>> more, perhaps by QoS scheduling?
>With a FDDI ring, you get 100Mbps total bandwidth for the ring.  With a
>FDDI switch, you get 100Mbps for each port.  Machine A can be sending a
>file to machine B using 100Mbps while machine C sends a file to machine D
>using 100Mbps, and they can all be on the same network.
>Peace...  Sridhar
>rescue list - http://www.sunhelp.org/mailman/listinfo/rescue

Curtis Wilbar
Hawk Mountain Networks
rescue at hawkmountain.net

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