[c-nsp] FIB table saving technique

[Mark Tinka]

On Tuesday, January 10, 2012 12:56:13 AM Mack McBride wrote:

> This is definitely in the roadmap from discussions with
> Cisco. However a firm date hasn't been given.
> It appears to be fairly high priority as the routing
> table is growing and the 6500s and Nexus 7Ks aren't
> going to get any larger TCAM (Stuck at 1M/0, 512K/256K,
> 640k/192K depending on how you chop it up).

The thing is, I don't believe there will be a single, 
(specifically-)defined technology to solve the table growth 
issue.

S-VA may be one that is applicable in the edge.

Those who are so inclined may use MPLS in the core.

The brave ones might try LISP or ILNP.

And those who prefer low-tech. will simply filter longer 
prefixes (where longer prefixes may mean different things to 
different people).

Bottom line, unlikely there will be a single solution that 
addresses all topologies, needless to say, topologies within 
the same routing domain.

Mark.
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