Routing optimization for nested mobile networks

Masafumi Watari, Thierry Ernst, Ryuji Wakikawa, Jun Murai

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


Network Mobility (NEMO) Basic Support is the standard protocol to provide continuous network connectivity and movement transparency to a group of nodes moving together, as in a vehicle. However, the protocol suffers from sub-optimal routing and packet overhead caused by a bi-directional tunnel between the Mobile Router (MR) connecting the mobile network to the Internet and its Home Agent (HA). When a nested NEMO is formed, these inefficiencies become intolerable for real-time multimedia applications. To optimize the delivery of these packets, this study proposes Optimized NEMO (ONEMO) that is capable of providing an optimal path with minimum packet overhead in various scenarios with nested mobility. The protocol is designed to offer the path with minimum signaling overhead and functional requirements are limited to its MRs. Evaluation through measurements against NEMO Basic Support and comparison among other solutions showed effectiveness of the protocol.

Original languageEnglish
Pages (from-to)2786-2793
Number of pages8
JournalIEICE Transactions on Communications
Issue number10
Publication statusPublished - 2006 Oct


  • IPv6
  • Mobile computing
  • NEMO
  • Network mobility
  • Routing optimization

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Electrical and Electronic Engineering


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