Journal on Communications ›› 2015, Vol. 36 ›› Issue (4): 58-69.doi: 10.11959/j.issn.1000-436x.2015179

• academic paper • Previous Articles     Next Articles

Route optimization scheme for nested mobile networks based on extending neighbor discovery protocol

Xing YIN1,2,Guo-xin WU1(),Yong-qiang DONG1,San-feng ZHANG1   

  1. 1 School of Computer Science and Engineering,Southeast University,Nanjing 210096
    2 School of Electrical and Information Engineering,Jiangsu University,Zhenjiang 212013,China
  • Online:2015-04-25 Published:2015-04-15
  • Supported by:
    The National High Technology Research and Development Program of China (863 Program);The National Natural Science Foundation of China;The National Natural Science Foundation of China

Abstract:

Nested mobile networks face the challenge of route optimization (RO) even it can expend the scope of communications.The existing RO approaches have the limitation of low performance and difficulty of deployment.A nested mobile networks route optimization (NMNRO) scheme is proposed by extending the neighbor discovery protocol,in which foreign prefixes in nested networks are advertised,and the destination caches of access routers and the routing tables of mobile routers are updated accordingly.After that,a correspondent registration is performed in order to implement RO.Performance analysis shows that NMNRO provides an overall RO solution with lower overhead,better compatibility,and higher deployability.Simulation results demonstrate that NMNRO has lower handover delay and higher goodput than other schemes,and the performance advantage appears more significant with the increase of nesting level.

Key words: network mobility, nested mobile networks, route optimization, neighbor discovery protocol

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