Proposed routing for IEEE 802.11s WLAN mesh networks

  • Authors:
  • Michael Bahr

  • Affiliations:
  • Information & Communications, Müünchen, Germany

  • Venue:
  • WICON '06 Proceedings of the 2nd annual international workshop on Wireless internet
  • Year:
  • 2006

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Abstract

This paper describes the proposed routing for IEEE 802.11s WLAN mesh networks based on the current draft standard D0.01 from March 2006. IEEE 802.11s defines a new mesh data frame format and an extensibility framework for routing. The default routing protocol HWMP is described. HWMP is based on AODV and has a configurable extension for proactive routing towards so-called mesh portals. It uses MAC addresses (layer 2 routing) and uses a radio-aware routing metric for the calculation of paths. Furthermore, the optional routing protocol RA-OLSR is described. Note, that the standardization of WLAN Mesh Networking in IEEE 802.11s is work in progress during the time of writing. While the general concepts of the proposed routing protocols seem to be quite fixed, the details are likely to change.