Re: [rrg] IPv4 & IPv6 routing scaling problems

[Christopher Morrow <[e-mail]>]

On Sun, Feb 14, 2010 at 3:38 PM,  <[e-mail]> wrote:
> In einer eMail vom 14.02.2010 21:25:40 Westeuropäische Normalzeit schreibt
> [e-mail]:
>
>> a T1600 has 8 slots of 4 PIC's each, you can get 1x10G for each PIC.
>> a CRS1 (full-height) chassis has 16 slots, 4x10G on each I believe?
>>
>> you can get this sort of info, as an approximation of connectedness of
>> a node from every vendor's website.
>
> oops, keeping in mind that's physical interfaces, with some MPLS
> schemes the 'dfz' router could be connected to each DFZ router in the
> same ASN over a logical link (LSP), so... a single DFZ router could
> have (in the case of a moderate network, with US only coverage)
> something like 80+ neighbors over these logical paths.
>
> -chris
>
> Thanks Chris,
>
> 80+ neighbors, that's a whopper
>
> Wouldn't you favor a solution where you can exploit that densitiy rather
> than  be frightened by it ?

I'm not really frightened by it though. (I was just quoting some
possible numbers, I imagine if you had a fully mesh of LSP's in your
global network you'd have many more than 80 per device, and you'd have
software to manage that mesh.)

-Chris