North American Network Operators Group
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Re: Inter-exchange media types
- From: Peter Lothberg
- Date: Tue Apr 30 14:02:22 1996
> 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.
---Peter
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