[j-nsp] Summarize Global Table

[Mark Tinka]

On Wednesday, October 26, 2011 09:26:11 PM Chris Morrow 
wrote:

> As I've said in the grow-wg sessions several times (and
> at nanog and other places) VA, and other solutions like
> it, may be fine in some deployments, they may even save
> you some cycle time on RP/RE/linecards, each operator
> that uses these solutions needs to decide for themselves
> what level of loss in granularity is acceptable and on
> which platforms in their network they will still need to
> carry full routes in rib + fib.

For networks that may be feeling pressure in the core (and 
if the core is especially large that the problem is 
magnified), this really is where MPLS can have real 
application, as opposed to just being a buzz word for folk 
that think it's cool.

If removing BGP from your core will save you tons of $$ in 
core router upgrades, then MPLS is certainly worth 
considering. Of course, this assumes the network is 
currently already running MPLS, or does not find deploying 
to be rocket science. If neither of those pre-conditions is 
the case, then it's not such a hot idea, of course.

Also, it assumes your edge (particularly the Aggregation 
nodes) can still handle a full table, which may also not be 
the case for some networks.

Mark.
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