Re: [Lsr] WG Last Call draft-ietf-lsr-ospf-prefix-originator-06

"Baalajee S (basurend)" <basurend@cisco.com> Tue, 20 October 2020 05:18 UTC

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From: "Baalajee S (basurend)" <basurend@cisco.com>
To: Christian Hopps <chopps@chopps.org>, "lsr@ietf.org" <lsr@ietf.org>
CC: "draft-ietf-lsr-ospf-prefix-originator@ietf.org" <draft-ietf-lsr-ospf-prefix-originator@ietf.org>, "lsr-chairs@ietf.org" <lsr-chairs@ietf.org>, "lsr-ads@ietf.org" <lsr-ads@ietf.org>
Thread-Topic: [Lsr] WG Last Call draft-ietf-lsr-ospf-prefix-originator-06
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Date: Tue, 20 Oct 2020 05:18:27 +0000
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Subject: Re: [Lsr] WG Last Call draft-ietf-lsr-ospf-prefix-originator-06
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Hello authors,



I have a couple of comments.



1.
   A received Prefix Originator Sub-TLV that has an invalid length (not
   4 or 16) or a Reachable Address containing an invalid IPv4 or IPv6
   address (dependent on address family of the associated prefix) MUST
   be considered invalid and ignored.  Additionally, reception of such
   Sub-TLV SHOULD be logged as an error (subject to rate-limiting).


Shouldn’t that be “Router address”?


2.
   If the originating node is advertising an OSPFv2 Router Address TLV
   [RFC3630<https://tools.ietf.org/html/rfc3630>] or an OSPFv3 Router IPv6 Address TLV [RFC5329<https://tools.ietf.org/html/rfc5329>], then that
   value is set in the Router Address field of the Prefix Originator
   Sub-TLV.  When the orignating node is not advertising such an



Wang, et al.             Expires January 1, 2021                [Page 5]
________________________________

Internet-Draft      OSPF Prefix Originator Extensions          June 2020


   address, implementations MAY support mechanisms to determine a
   reachable address belonging to the originating node to set in the
   Router Address field.  Such mechanisms are outside the scope of this
   document.


Originating -> originating



I assume that the “Router address” picked by a router could be one of the addresses advertised by it with “N-bit” (Node SID) set or some other reachable address which uniquely identifies the router.



Regards,

S. Baalajee



On 15/10/20, 11:46 AM, "Lsr on behalf of Christian Hopps" <lsr-bounces@ietf.org on behalf of chopps@chopps.org> wrote:



    This begins a 2 week WG Last Call, ending after Oct 29th, 2020, for:



      https://datatracker.ietf.org/doc/draft-ietf-lsr-ospf-prefix-originator/



    The following IPR has been filed https://datatracker.ietf.org/ipr/3448/



    Authors,



      Please indicate to the list, your knowledge of any other IPR related to this work.



    Thanks,

    Chris.