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Tuning the Behavior of IGMP and MLD for Routers in Mobile and Wireless Networks

81 st IETF, July 2011, Quebec City, Canada. Tuning the Behavior of IGMP and MLD for Routers in Mobile and Wireless Networks. draft‐ietf‐multimob‐igmp‐mld‐tuning-01 Hitoshi Asaeda Hui Liu Qin Wu. Summary.

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Tuning the Behavior of IGMP and MLD for Routers in Mobile and Wireless Networks

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  1. 81st IETF, July 2011, Quebec City, Canada Tuning the Behavior of IGMP and MLD for Routers in Mobile and Wireless Networks draft‐ietf‐multimob‐igmp‐mld‐tuning-01 Hitoshi Asaeda Hui Liu Qin Wu

  2. Summary • This document describes the ways of IGMPv3 and MLDv2 protocol optimization for mobility, and aims to become a guideline for query and other timers and values tuning. • Potential tuning values are clarified • Query Interval • Query Response Interval • Last Member Query Timer (LMQT) / Last Listener Query Timer (LLQT) • Startup Query Interval • Robustness Variable 81st IETF, July 2011

  3. Changes • Document title change • “Tuning the Behavior of IGMP and MLD for Routers in Mobile and Wireless Networks” • Explicitly focus on tuning timers and values for routers • Add one use case in introduction section to explain the challenge of using IGMP/MLD in mobile network • Add section 4.6, “Tuning Scenarios for Various Mobile IP Networks” • Refer RFC6224 • Editorial changes 81st IETF, July 2011

  4. 4.6 Tuning Scenarios for Various Mobile IP Networks • Three deployment scenarios • IGMP/MLD running directly between host and access router on a wireless network • routing optimization for Mobile IP and PMIPv6 applies • Treat it in the same way as it in the wireless network • IGMP/MLD running between host and home router through a tunnel link • Shorter [Query Interval] and [Query Response Interval], and larger [Robustness Variable] value at the beginning of the session • Because message transmission depends on the condition of the tunnel link • Enlarge the Query periodicity in case of congestion • IGMP/MLD running between home router and foreign router through a tunnel link (e.g. RFC6224) • [Query Response Interval] on the home router or local mobility anchor could be set to the smaller value • Because the number of foreign router is much smaller than usual • Enlarge the Query periodicity in case of congestion. 81st IETF, July 2011

  5. Next Step • We appreciate your review • Expect to issue new version to address the comments during the meeting. • WGLC? • Intended status: Informational? 81st IETF, July 2011

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