Can I stop you all for a second? I think what John Lay is asking is what is
the ASIC (which make, model, number) that is used in Cisco switches, not
what does ASIC do? John?
Rayappa.
>-----Original Message-----
>From: Russell Lusignan [mailto:[EMAIL PROTECTED]]
>Sent: Friday, December 01, 2000 2:02 AM
>To: [EMAIL PROTECTED]
>Subject: Re: ASIC ?
>
>
>Aplication Specific Integrated Circuit.. It's a chip that performs a
>certain task in a device..
>From the Cisco website Cat 3900 product info:
>The switching-fabric ASIC is responsible for managing the central
>shared-data buffer and its associated buffer table, which
>carries addressing
>information for the buffer. The 10 Gbps link between the
>switching-fabric
>ASIC and the shared-data buffer yields a 5 Gbps forwarding
>rate. The radial
>interconnect with network satellites minimizes the number of
>pins per data
>interconnection and distributes available bandwidth among the
>satellites.
>This design both maximizes reliability and lowers cost.
>
>A lot of vendors use ASICs because they perform their task quicker than
>software code relying on a central CPU and shared memory.. You
>could have an
>ASIC donig all the VPN encrypting/de-encrypting in a device
>and remove that
>burden from the CPU itself..
>
>Hope that helps
>
>Russ..
>
>
>
>"John lay" <[EMAIL PROTECTED]> wrote in message
>[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>> Guys,
>>
>> What is ASIC which is found in Cisco Switches?
>>
>>
>> Thanx
>>
>>
>>
>>
>>
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