+OSPF, Routing Directorate Thanks for the review Ice! On 5/5/17, 9:28 AM, "IJsbrand Wijnands (iwijnand)" wrote: >Hi All, > >I have been selected to do a routing directorate QA review of this draft. >https://www.ietf.org/id/draft-ietf-ospf-ospfv3-lsa-extend-14.txt > >Summary: > >This draft proposes a new addressing (TLV) format to more easily allow >additional information to be added as part of a particular LSA. Overall, >well written, easy to understand what the objective is for this draft. > >Comments and Questions: > >This looks like a pretty radical change to the OSPFv3 spec. I would >almost argue to call it OSPFv4.. Experience has proved that new versions are slow to deploy. OSPFv3 is well positioned to evolve to the next generation IGP. > Its very unfortunate there are no ‘reserved’ fields in RFC5340 that >would allow you keep the existing LSA’s format and have some way to >extend it differently. The TLV approach look good, I can’t see a better >way to achieve the goal. No - we struggled with backward compatibility and, due to complexity, went with with area by area migration as opposed to migration with concurrent usage of both regular and extended LSAs. Thanks, Acee > > >Minor Issues and Nits: >none. > >Thx, > >Ice. > > >