[rrg] Remote ACLs [Proposals which match rrg architectures.htmlpls check the page]

Dino Farinacci dino at cisco.com
Mon Jan 5 09:36:55 PST 2009


So don't you think the decoupling is a good thing? I can see benefits.

Dino

On Jan 5, 2009, at 8:53 AM, David Conrad wrote:

> Dino,
>
> On Jan 4, 2009, at 5:19 PM, Dino Farinacci wrote:
>>> If we want to use ID in the ACL, should it also have some  
>>> structure in
>>> semantics? since the flat ID will cause a scaling issue with ACL  
>>> and a huge
>>> burden for manually configuration.
>> If EID-prefixes are allocated from RIRs, we can have structure.
>
> Depends on the allocation rules for EIDs, which obviously don't  
> exist now.  Right now, the RIRs try to juggle conservation of  
> address space with conservation of 'routing slots' with a bias  
> towards the latter, resulting in allocations of power-of-2 size  
> blocks aligned on CIDR boundaries.  If the RIRs were to allocate  
> EIDs, they would not need to be concerned about conservation of  
> 'routing slots', hence non-CIDR aligned and non-power-of-2 blocks  
> can be allocated.  If this isn't what people want, the RIR public  
> policy process would have to be engaged to come up with the EID  
> allocation rules.
>
> Regards,
> -drc
>



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