[c-nsp] smaller PI

[Mark Tinka]

On Thursday 01 July 2010 12:20:09 am Seth Mattinen wrote:

> Many providers will send prefixes longer than a /24 to
>  their customers but not out to their peers. I could
>  announce a /25 to Sprint, for example, but only other
>  Sprint customers will see it.

It is also not uncommon to permit /32 (v4) prefixes outward 
toward providers (inbound from customers) if they provide 
you with community-based blackholing capabilities.

You just have to hope they have great internal routing 
policies that such prefixes don't end up beyond their 
domain.

Cheers,

Mark.
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