[2747] in North American Network Operators' Group
Re: Inter-exchange media types
daemon@ATHENA.MIT.EDU (Marten Terpstra)
Tue Apr 30 15:56:24 1996
To: Peter Lothberg <roll@stupi.se>
Cc: ipasha@sprintlink.net, Hank Nussbacher <hank@ibm.net.il>, nanog@merit.edu
In-Reply-To: Your message of Tue, 30 Apr 1996 19:46:20 +0700.
<CMM.0.90.0.830886397.roll@Junk.Stupi.SE>
From: Marten Terpstra <marten@BayNetworks.com>
Date: Tue, 30 Apr 1996 15:49:05 -0400
Peter Lothberg <roll@stupi.se> writes
* > Dtatacom tests were performed in the 10/100 setup. Obviously
* > the Fast ethernet switches had an advantage over the FDDI
* > switches since Fast ethernet and conventional ethernet work
* > with the same frame types. FDDI switches on the other hand
* > has to convert ethernet frames to FDDI frames and vice versa.
* > Todays NAPs in most cases are not 10/100 set up. It is more like
* > DS3/100/100 setup where routers are feeding traffic into the Gigaswitch
* > using FDDI and since HSSI and FDDI is using same MTU size, no
* > fragmentation is involved.
*
* Both 10 and 100 ethernet use 1500 byte mtu.
*
* And remember that the characteristics of a loaded exchange is very
* diffrent between ethernet and token-ring.
And then there is always the possibility to run 100BT in
full-duplex rather than half duplex...
-Marten
