Hi Tiger, On 4/13/16, 3:41 AM, "Xuxiaohu" <[email protected]> wrote:
>Hi Acee, > >Thanks for your comments. Please see my response in line. > >> -----Original Message----- >> From: Acee Lindem (acee) [mailto:[email protected]] >> Sent: Tuesday, April 12, 2016 1:39 AM >> To: [email protected] >> Cc: OSPF WG List >> Subject: Signaling Entropy Label Capability Using OSPF - >> draft-ietf-ospf-mpls-elc-00 >> >> Authors, >> >> We will soon be progressing the OSPFv2 SR draft. What is your intent >>for this >> draft? It is missing: >> >> 1. A figure with the RI encoding like other OSPF documents > >Will add two figures for ELC TLV and RLSDC TLV respectively. Can you come up with a better name than RLSDC? It appears this would obviate the need for the recent MSD proposal but that is a much better name. > >> 2. Discussion as to precisely how the capability would be used by a >>router in >> an OSPF routing domain. For example, must a router remove the EL if the >> next-hop doesn’t support it? > >This document only describes how the ELC and RLSDC are advertised via >OSPF. As for how these capabilities would be used are actually described >in https://tools.ietf.org/html/draft-ietf-mpls-spring-entropy-label. By >the way, a router doesn't need to remove the EL if the next-hop doesn't >support it. The only requirement on using EL is: An ingress LSR cannot >insert ELs for packets going into a given tunnel unless an egress LSR has >indicated via signaling that it can process ELs on that tunnel. Can you add a short section referencing the applicable section in this document. > >> 3. A discussion of backward compatibility for the new >>Router-Information >> LSA capability. > >Is it enough to add the following text: > >"To be compatible with RFC7770, ELC and RLSDC TLVs SHOULD continue to be >advertised in the first instance, i.e., 0, of the Router Information LSA." I was talking more on the level of usage of the capability than advertisement. Since this is new, there should be any RI LSAs considerations. Thanks, Acee > >Best regards, >Xiaohu > >> Thanks, >> Acee > _______________________________________________ OSPF mailing list [email protected] https://www.ietf.org/mailman/listinfo/ospf
