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Label Switched Path (LSP) Dynamical Provisioning Performance Metrics in Generalized MPLS Networks

Label Switched Path (LSP) Dynamical Provisioning Performance Metrics in Generalized MPLS Networks. draft-xie-ccamp-lsp-dppm-01.txt. Presenter : Dan Li (danli@ HUAWEI .com) Authors : Guowu Xie (blithe@ SJTU .edu.cn) Weiqiang Sun (sunwq@ SJTU .edu.cn)

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Label Switched Path (LSP) Dynamical Provisioning Performance Metrics in Generalized MPLS Networks

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  1. Label Switched Path (LSP) Dynamical Provisioning Performance Metrics in Generalized MPLS Networks draft-xie-ccamp-lsp-dppm-01.txt Presenter: Dan Li (danli@HUAWEI.com) Authors: Guowu Xie (blithe@SJTU.edu.cn) Weiqiang Sun (sunwq@SJTU.edu.cn) Guoying Zhang (zhangguoying@mail.RITT.com.cn) Xueqing Wei (xqwei@FIBERHOME.com.cn) Jianhua Gao (gjhhit@HUAWEI.com) Bin Gu (bgu@IXIACOM.com)

  2. Motivations of this draft • Measuring LSP provisioning performance in the lab • Requirements of dynamical provisioning capability in GMPLS Networks: interactive broadband multimedia services. • Let the requirement of applications and the provisioning capability of the network be mapped to each other • Measuring the provisioning performance in operational networks • Monitor the control plane performance in real-time • Helpful to the GMPLS network maintenance and optimization. • Standardized metrics and the way to measure them precisely should be defined • In scope of CCAMP charter: “Definition of MIB modules and other OAM techniques relevant to the protocols and extensions specified within the WG.” • Maximize common understanding of LSP provisioning performance between the service providers and network users/applications

  3. Changes with version 00 • Explicit statements on applicability of including the defined metrics in GMPLS-TE-STD-MIB • In abstract and introduction • A couple of changes in the text • Correct the errors in 7.6, 8.7 • Revising 4.1, 4.7, 5.4, 6, 8.7, 9.1 • Measurement time unit changed from ‘seconds’ to ‘milli-seconds’ • In all effected sections

  4. Topics discussed in the group • Motivating the metrics • The metrics themselves received no objections. They seem well motivated through the discussions in the group. • Setup Ratio • Will be added in the next update • RSVP convergence and graceful restart • Will be considered in the next update • Including a set of metrics into GMPLS-TE-STD-MIB • A reference to RFC 4802 will be added in the next update • Discussions on harmonizing withSamir’s draft on RSVP-TE convergence (In BMWG) • Rough consensus reached: retaining this draft in CCAMP • Further work underway • Rerouting performance • It is still a pending problem, need more input from the group and WG

  5. Next Steps • Reach a consensus in CCAMP on the defined metrics • Harmonization with RSVP-TE convergence draft • More discussions on • MIB inclusion of some of the metrics • LSP rerouting performance • P2MP performance metrics • Authors need more feedback in the WG mailing list.

  6. Backup slides

  7. Milestones of this draft • Feb. 2007, 00 Version published (Guowu Xie) • Mar. 2007, Presented at the 68th IETF meeting (Guoying zhang) • Apr. 2007, A discussion group is setup (Guoying Zhang) • Participants: Deborah, Monique, Luyuan Fang, Al Morton, Julien Meuric, Itaru Nishioka, and all authors • Jun. 2007, Version 01 published (Weiqiang Sun) • Jun. 2007, harmonization with RSVP-TE convergence draft begins (Monique Morrow) • Samir Vapiwala, Karu and Zafar Ali are introduced into the discussion group

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