filtering /48 is going to be necessary

Owen DeLong owen at delong.com
Sat Mar 10 04:42:04 UTC 2012


On Mar 9, 2012, at 3:45 PM, Leo Vegoda wrote:

> Hi,
> 
> Sander wrote:
> 
>> Splitting the allocation can be done for many reasons. There are known cases where one LIR operates multiple separate networks, each with a separate routing policy. They cannot get multiple allocations from the RIR and they cannot announce the whole allocation as a whole because of the separate routing policies (who are sometimes required legally, for example when an NREN has both a commercial and an educational network).
> 
> If they have two different routing policies and need two different allocations, why not just have two different LIRs? It makes things a lot easier than spending untold weeks or time trying to work out which corner cases should be supported by policy and which should not. No?
> 
> Leo


This may depend on where you are. Being two LIRs in the ARIN region requires setting up two complete legal entities which is a lot of overhead to carry for just that purpose.

Owen





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