maximum ipv4 bgp prefix length of /24 ?

Owen DeLong owen at delong.com
Fri Sep 29 22:26:25 UTC 2023



> On Sep 29, 2023, at 15:14, William Herrin <bill at herrin.us> wrote:
> 
> On Fri, Sep 29, 2023 at 3:11 PM Owen DeLong <owen at delong.com> wrote:
>> You continue to assume that there is a fast SRAM cache. I’m not sure
>> that is true. I think that all of the FIB RAM on the line cards is fast SRAM
>> and no cache.
> 
> Hi Owen,
> 
> I'm less assuming it and more reading it from this SIGCOMM paper:
> https://people.csail.mit.edu/ghobadi/papers/trio_sigcomm_2022.pdf

Fair enough, but interestingly, I think that the compiled line-card forwarding
table probably always fits in the cache.

Owen



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