On Aug 22, 2012, at 10:41 PM, Danny McPherson wrote:

> 
> Admittedly, I'm not certain what triggered this, but clearly, your email to 
> me suggests that others have expressed concern of consistency and collisions, 
> a concern expressed by the IAB as well.  As such, I have a question below.
> 
> On Aug 10, 2012, at 4:45 PM, Murphy, Sandra wrote:
> 
>> speaking as regular ol' member
>> 
>> About allocation <-> RPKI consistency
>> 
>> The RPKI is a certification of resource holding.  Because the allocation 
>> databases continue to also record allocations, there's duplication of 
>> information between the RPKI and the allocation databases.
>> 
>> Having duplicate records of the same data always presents an issue of 
>> consistency.  We know we have this issue (have known it from the beginning), 
>> any resource certification outside the allocation system would, so we need 
>> to work on how to handle it.
>> 
>> Handling it is out-of-band.  Consistency will be a matter of process, to 
>> ensure that allocation actions are bound to issuance of consistent CA 
>> certificates (if and when one is issued) and vice versa.  Monitoring the two 
>> to spot inconsistencies will be another process.
>> 
>> Duplicates may be valid.  There may be reasons for multiple CA certificates 
>> being issued for exactly the same prefix space.  Transfer (or at least the 
>> only method of transfer discussed in the wg) would result in multiple CA 
>> certificates being issued for exactly the same prefix space, for 
>> make-before-break purposes.
>> 
>> We already have a potential for inconsistency.  As noted in the IAB 
>> statement on the RPKI, multiple trust anchors present a risk of conflicting 
>> certifications for the same address block.  We do not yet have a single root 
>> trust anchor.  No need for panic, the RIRs are aware and I trust they have 
>> process in mind to ensure consistency.   (This is a contentious issue - 
>> hopefully that's worded with sufficient care and balance.)  But that's 
>> another case where consistency is/will be ensured by process.
> 
> 
> Sandy (or others in the know), can you shed any light on the process you have 
> in mind to ensure consistency?  Particularly from the perspective of a 
> prospective RP?  Pointers to process (e.g., RIR processes in the works) are 
> fine.

Indeed, I vaguely recall some conversations (on the list?) about the specific 
consistency model that the RPKI is trying to achieve.  I wasn't able to unearth 
the thread, but what was the conclusion?  That is, what is the consistency 
model that the RPKI design team is striving for?

Thanks,

Eric
_______________________________________________
sidr mailing list
[email protected]
https://www.ietf.org/mailman/listinfo/sidr

Reply via email to