> -----邮件原件----- > 发件人: [email protected] [mailto:[email protected]] 代表 Robert Raszuk > 发送时间: 2014年5月21日 16:12 > 收件人: Xuxiaohu > 抄送: Yakov Rekhter; Hannes Gredler; [email protected]; John G. Scudder; Alvaro > Retana (aretana) > 主题: Re: [spring] 答复: 答复: draft-gredler-spring-mpls-05.txt as SPRING WG > document > > Xu, > > You do not get the concept of global (domian wide) label.
Maybe. > You can't attach to a packet SR header with labels (SIDs) learned by ISIS and > in > the segment nodes use LDP learned labels for forwarding in your data plane. Why can't? Please give a CONCRETE example and then assert who don’t get the concept of MPLS and SR:) Best regards, Xiaohu > That's the issue with consistency of label for a given FEC distributed by more > then one protocol within your domain. > > Best, > R. > > On Wed, May 21, 2014 at 10:01 AM, Xuxiaohu <[email protected]> > wrote: > > No, I don't think so. As long as a label for a given 32/ or 128/ FEC is > > attached to > a packet, no matter from whichever label distribution protocol this label is > learnt, > the packet would definitely be forwarded to the node identified by that FEC > along the shortest path. > > > > Could you give a concrete example to illustrate why the forwarding result is > rather poor? > > > > Best regards, > > Xiaohu > > > >> -----邮件原件----- > >> 发件人: [email protected] [mailto:[email protected]] 代表 Robert > Raszuk > >> 发送时间: 2014年5月21日 15:41 > >> 收件人: Xuxiaohu > >> 抄送: Hannes Gredler; [email protected]; Alvaro Retana (aretana); John G. > >> Scudder; Yakov Rekhter > >> 主题: Re: [spring] 答复: draft-gredler-spring-mpls-05.txt as SPRING WG > >> document > >> > >> If your SR segments are to be engineered by set of SR headers for a > >> given FEC and anywhere in the network you will suddenly choose LDP > >> learned label for a given FEC the forwarding results will be rather poor > >> don't > you think ? > >> > >> r. > >> > >> On Wed, May 21, 2014 at 9:33 AM, Xuxiaohu <[email protected]> > wrote: > >> > Robert, > >> > > >> >> -----邮件原件----- > >> >> 发件人: [email protected] [mailto:[email protected]] 代表 Robert > >> Raszuk > >> >> 发送时间: 2014年5月21日 15:25 > >> >> 收件人: Xuxiaohu > >> >> 抄送: Hannes Gredler; Yakov Rekhter; [email protected]; Alvaro Retana > >> >> (aretana); John G. Scudder > >> >> 主题: Re: [spring] draft-gredler-spring-mpls-05.txt as SPRING WG > >> >> document > >> >> > >> >> Xiaohu, > >> >> > >> >> > Since there are just label distribution protocols which don't > >> >> > affect the route selection at all, why do you care about that > >> >> > consistency among > >> >> routers? > >> >> > >> >> We are talking about label selection and not route selection. > >> >> > >> >> This is about the same FEC so same route hence route selection > >> >> does not come to the picture. > >> > > >> > Sure. Then what's the problem if there is inconsistency of label > >> > selection > >> among routers (e.g., some routers prefer label bindings learnt from > >> ISIS while others prefer label bindings learnt from LDP)? > >> > > >> > Best regards, > >> > Xiaohu > >> > > >> >> Thx, > >> >> R. > >> > _______________________________________________ > >> > spring mailing list > >> > [email protected] > >> > https://www.ietf.org/mailman/listinfo/spring > > _______________________________________________ > > spring mailing list > > [email protected] > > https://www.ietf.org/mailman/listinfo/spring _______________________________________________ spring mailing list [email protected] https://www.ietf.org/mailman/listinfo/spring
