Hi Folks, I proposed my concern on the implementation of interoperability between LDP and SR again in IETF. I also would like to remind you of my draft again:
https://tools.ietf.org/html/draft-li-spring-compare-sr-ldp-rsvpte-00 In this draft I explained the possible challenges of SR comparing LDP. And in sec 6 I summary the possible challenge of Interoperability between SR and LDP/RSVP-TE. Until now I believe that there will be much challege for the implementation. In fact in order to solve the possbile issue I mentioned in the draft, the mapping server has been introduced. Is it some central-control based solution in the IGP/LDP distributed environment? I worried that there still more issues which have to be solved and propose great challenge for the implementor on the feature and when new mechanisms are introduced they will propose new challenges again. If so, this may be nightmare for the developer of the feature. Hope if there were the implementation the implementation report on draft-ietf-spring-segment-routing-ldp-interop-00 can be publised accomanying the draft to demonstrate what can be done and maye what can not be done. This will be much helpful to the implementors and operators to consider their possible choice to cope with this interop issue: take the challenge, leave it or replace the LDP network with SR all at once without introducing the interoperability issue. Best Regards, Zhenbin(Robin)
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