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[rpd] AnyCast assignments - Update

David Peall dkpeall at
Wed Dec 3 05:31:08 UTC 2014

> On Nov 28, 2014, at 13:26, Alan Barrett <apb at> wrote:
>> 2. Summary of how this proposal addresses the problem
>> This proposal allows the use of:
>> a. One (1) /24 of IPv4 for anycast services from a PA allocation of
>> an LIR or direct end-user assignment.
>> b. One /48 of IPv6 for anycast services from an IPv6 LIR allocation
>> or direct end-user assignment.
>> c. An AS Number for anycast purposes.
> Clause 2 appears to require the applicant to use all three of the IPv4,
> IPv6, and ASN.  However, under clause 3, it uses "and/or" to allow the
> applicant to choose any subset of those three items.  I think this
> should be clarified, possibly by the use of words like this in the first
> sentence of clause 2:
>  2. This proposal allows the use of any one or more of the following:
> It's also not clear whether the restriction to "one" IPv4 /24, IPv6
> /48, or ASN, means only one forever, or one per application (with the
> freedom to apply for another one later).  I'd prefer to allow the use of
> multiple such subnets or ASNs, if the applicant is providing multiple
> anycast services and has adequate justification for not placing them all
> in the same subnet or ASN.
> I'd also like this proposal to be usable for any kind of anycast, even
> those not invented yet.
> --apb (Alan Barrett)
> _______________________________________________

I support the policy and APB’s suggestions but would also suggest allowing slightly larger allocations like /23 or /22 to allow the use of routing tools that Frank has already suggested.

David Peall
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