On Fri, 7 Mar 2014, Rob Austein wrote: > > > > Does it make sense to mandate an order for the AS Numbers field > > > > of the Router Key PDU? Otherwise, what happens if the cache > > > > announces a router key with one ordering, and withdraws that > > > > router key with the same AS numbers in a different order? > > > > maybe David can a little bit more elaborate on the advantages? I > > suspect that the routers needs to inspect the AS Numbers field per entry > > anyway. > > > > What is the meaning of the order? > > David can speak for himself, > do you have any other scenario in mind, David?
> but speaking on my own behalf as a implementer: if we define a > canonical order, comparing two PDUs is a simple binary string > comparison. If we don't define a canonical order, comparison is more > complicated, hence more error-prone. > It's probably a shift of the "complexity" ... but I agree that it simplifies the router part. What happens if the ASNs are not in order (for some strange bug reason)? It wouldn't harm the router? > Given that the rpki-rtr protocol requires duplicate elimination, we do > need to perform such comparisons, so making them as simple as possible > seems advisable. > I suppose this requires an update of the duplicate description (similar text of Section 5.6 in Section 5.10, and update Section 11, no 11). Cheers matthias -- Matthias Waehlisch . Freie Universitaet Berlin, Inst. fuer Informatik, AG CST . Takustr. 9, D-14195 Berlin, Germany .. mailto:[email protected] .. http://www.inf.fu-berlin.de/~waehl :. Also: http://inet.cpt.haw-hamburg.de .. http://www.link-lab.net _______________________________________________ sidr mailing list [email protected] https://www.ietf.org/mailman/listinfo/sidr
