Which pipe dream should we be smoking? (was Re: Possible topic?)
jkucic at ans.net
Tue Oct 21 06:09:33 UTC 1997
You can get info at:
The Gigaswitch/FDDI is a different product than the Gigaswitch/ATM. You
can insert ATM uplinks into the Gigaswitch/FDDI.
I won't discount Gigabit Ethernet to quickly (yet there are no router
interface available). I believe Ether Channel has an opportunity depending
on what happens with the GSR but there is no switch to take advantage of it
(except maybe the Cat 5500). But I do agree that traffic shaping
technology is critical to any long term design. I guess the ideal solution
will be Gigabit Ether Channel (8Gbps) or Terrabit Ethernet with traffic
shaping if its not ATM at OC-192.
At 10:31 PM 10/21/97 -0700, Vadim Antonov wrote:
>>Aren't all the Gigaswitches from DEC ATM backed anyway? (FDDI is an
>>emulation on an OC3/12 card slot?) That's what the DEC literature seemed
>>to say when I perused it last.
>Not. Gigaswitch is a crossbar-based _packet_ switch. I recall reading
>fairly comprehensive article on its internals. Most likely it is still
>available from somewhere on Internet.
>If i understand correctly, its ATM interfaces do packet shredding/reassembly.
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