>
> Do be aware that packets moving between line cards go via SRAM buffers on
> the RSP card, regardless of where the forwarding decision was made.
> Depending on other factors, this can seriously affect throughput and
> scalability.
>
for the case of DCEF -
slight correction. the buffer headers come from the SRAM on the RSP.
the packet is written directly to the outgoing LCs packet memory.
the arbitration for the buffer header allocation and deallocation
is handled by the QA Asic and the RSP CPU doesn't participate.
> S
>
This archive was generated by hypermail 2b29 : Sun Aug 04 2002 - 04:13:12 EDT