On Jan 27, 2014, at 9:41 AM, Peter Psenak wrote: > Xiaohu, > > > 1. draft-psenak-ospf-segment-routing-extensions has already defined the > mapping server functionality - please read the section 4.2 and 6.1 > > 2. TLVs that you defined in section 3 and 4 are very close to those defined > in draft-psenak-ospf-segment-routing-extensions and have the exact same > functionality as the ones defined in > draft-psenak-ospf-segment-routing-extensions
I agree and the above also applies to draft-previdi-isis-segment-routing-extensions. s. > > 3. The only new sub-TLV you defined is Label Request Sub-TLV. > > First, given that we already have OSPF SR draft, you should have defined this > as a sub-TLV of the OSPF Extended Prefix TLV that is defined in > draft-psenak-ospf-segment-routing-extensions. > > Second, you proposed to use Opaque LSA that is flooded either area or domain > wide as a request mechanism between the router and mapping server. This means > that all routers in an area/domain would have to store and maintain such > 'request' LSAs, even though they would never use them locally. I seriously > question if flooding of the LSA is the right mechanism to achieve what you > want. > > regards, > Peter > > > > On 1/27/14 04:34 , Xuxiaohu wrote: >> Hi all, >> >> Any comments are welcome. >> >> Best regards, >> Xiaohu >> >>> -----邮件原件----- >>> 发件人: [email protected] [mailto:[email protected]] >>> 发送时间: 2014年1月21日 13:53 >>> 收件人: Mach Chen; Mach Chen; Xuxiaohu; Xuxiaohu >>> 主题: New Version Notification for draft-xu-ospf-global-label-sid-adv-00.txt >>> >>> >>> A new version of I-D, draft-xu-ospf-global-label-sid-adv-00.txt >>> has been successfully submitted by Xiaohu Xu and posted to the IETF >>> repository. >>> >>> Name: draft-xu-ospf-global-label-sid-adv >>> Revision: 00 >>> Title: Advertising Global Labels or SIDs Using OSPF >>> Document date: 2014-01-21 >>> Group: Individual Submission >>> Pages: 7 >>> URL: >>> http://www.ietf.org/internet-drafts/draft-xu-ospf-global-label-sid-adv-00.txt >>> Status: >>> https://datatracker.ietf.org/doc/draft-xu-ospf-global-label-sid-adv/ >>> Htmlized: >>> http://tools.ietf.org/html/draft-xu-ospf-global-label-sid-adv-00 >>> >>> >>> Abstract: >>> Segment Routing (SR) is a new MPLS paradigm in which each SR-capable >>> router is required to advertise global MPLS labels or Segment IDs >>> (SID) for its attached prefixes by using link-state IGPs, e.g., OSPF. >>> One major challenge associated with such global MPLS label or SID >>> advertisement mechanism is how to avoid a given global MPLS label or >>> SID from being allocated by different routers to different prefixes. >>> Although such global label or SID allocation collision problem can be >>> addressed through manual allocation , it is error-prone and >>> nonautomatic therefore may not be suitable in large-scale SR network >>> environments. This document proposes an alternative approach for >>> allocating and advertising global MPLS labels or SIDs via OSPF so as >>> to eliminate the potential risk of label allocation collision. >>> >>> >>> >>> >>> Please note that it may take a couple of minutes from the time of submission >>> until the htmlized version and diff are available at tools.ietf.org. >>> >>> The IETF Secretariat >> >> _______________________________________________ >> OSPF mailing list >> [email protected] >> https://www.ietf.org/mailman/listinfo/ospf >> > > _______________________________________________ > spring mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/spring _______________________________________________ OSPF mailing list [email protected] https://www.ietf.org/mailman/listinfo/ospf
