nanog mailing list archives

RE: filtering /48 is going to be necessary


From: Leo Vegoda <leo.vegoda () icann org>
Date: Fri, 9 Mar 2012 15:45:41 -0800

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


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