Hi Rama, > On Jan 23, 2015, at 10:51 PM, Rama Darbha <rama.h.dar...@gmail.com > <mailto:rama.h.dar...@gmail.com>> wrote: > > A. Lindem and J. Arkko, > > Some feedback on this draft. In section 5: > > "5. OSPFv3 Router ID Selection > A pseudo-random number SHOULD be used for the OSPFv3 Router ID." > > I think it would be valuable to describe why a pseudo-random number should be > chosen. The [OSPFv3] document doesn't make any reference to selecting a > pseudo-random number, so it would be good to justify the reasoning. Something > along the lines of: > "The router id in OSPFv3 is a 32-bit value [OSPFv3]. As outlined in [OSPFv3], > a router running OSPFv3 may not have an IPv4 address to automatically select > as the router id. Since auto-configuration cannot guarantee a unique router > id as outlined in [OSPFv3], a pseudo-random router id is the solution for > OSPFv3 autoconfiguration to prevent router id collision.”
Since the whole draft is about autoconfiguration, I would think this is obvious that the router would not have an IPv4 address. We also state: An OSPFv3 router requires a unique Router ID within the OSPFv3 routing domain for correct protocol operation. An OSPFv3 router implementing this specification will select a router-id that has a high probability of uniqueness. If I did add something, it would be: Existing Router ID selection algorithms (section C.1 in [OSPFV2] and [OSPFV3]) are not viable since they are dependent on a unique IPv4 interface address which is not likely to be available in auto configured deployments. > > > > Also, there's a small formatting error. Section 7.2 and 7.4 are not marked > correctly as headers. This really isn’t a formatting error. The problem is that heading is too long to fit on one line. I think I will shorten the headings to fit on a single line to avoid confusion. > > > Regards, > Rama > > -- > ----- > Rama Darbha > rama.h.dar...@gmail.com <mailto:rama.h.dar...@gmail.com> > 919 410 7262 > _______________________________________________ > OSPF mailing list > OSPF@ietf.org <mailto:OSPF@ietf.org> > https://www.ietf.org/mailman/listinfo/ospf
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