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Technology Stocks : Cisco Systems, Inc. (CSCO)

CSCO 78.03

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Nov 14 9:30 AM EST

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To: MMW who wrote (29364)	11/15/1999 10:32:00 AM
From: Hagar	Read Replies (1) of 77399

Responding to your doubts about Lucent optical routing. Routing is essentially a filtering operation. When a filter match is made an event is triggered. In the case of traditional routers the output interface is selected and appropriate layer 2 addresses are attached. Anything else forces the packet into the "slow path" domain. Light (lamdas), and I would assume the signaling that denotes data, is filterable. It was demonstrated many years ago. If Lucent can produce a system that can filter specific data from a stream over a lambda that triggers output interface selection then they are routing in the optical domain. Not far fetched. The control data (OSPF, RIP, BGP etc) is still handled in the "slow path" The only thing that I think would be worth argument is when (if ever) this particular technology translate to a deliverable product. This technology is different than a router with optical interfaces. Your questioning of the announcement is valid until you muddy it with your obvious company bias.

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