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Technology Stocks : Cisco Systems, Inc. (CSCO)
CSCO 77.13-0.9%10:31 AM EST
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To: StockMan who wrote (13285)4/13/1998 2:03:00 PM
From: Lerxst  Read Replies (1) of 77400
 
StockMan,

To be fair, L3 routing switches still require a significant amount of software that is required to be stable and robust. Both Cisco and Bay know how to do this well.

Routing switches move the forwarding path into hardware, but the actual route determination is still done on an off-the-shelf processor using software based OSPF, BGP4, RIP/RIP2, etc. Once the route is known, the hardware routing tables are updated and as long as the route remains active, packets using the route stay completely in hardware.

For those who might not be aware, legacy routers used an off-the-shelf processor to perform both route determination and packet forwarding. As such, software and the processor were the primary bottleneck in packet forwarding performance.

Lerxst

Lerxst
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