Intra-domain routing protocol OSPF+ for integrated terrestrial and space networks

doi:10.16511/j.cnki.qhdxxb.2017.21.003

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Abstract Constructing an integrated terrestrial and space network is one of the key projects in China. Heterogeneous networks can be efficiently integrated using the IP protocol family in space networks to leverage the advantages of the Internet. However, traditional routing techniques cannot be used directly due to the special characteristics of space networks. This paper describes an extended traditional intra-domain routing protocol based on OSPF for network communications in space. The protocol uses topology predictions based on the regular motion of satellites and extends the neighbor state machine to optimize the synchronization of link-state databases to achieve efficient, stable dynamic self-adaptive routing. Simulations show that this protocol has a convergence time of less than 1 second and greater than 98% stability.

Keywords integrated terrestrial and space network space networks satellite networks intra-domain routing protocol

ZTFLH:

TP393.0

Issue Date: 15 January 2017

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	XU Mingwei
	XIA Anqing
	YANG Yuan
	WANG Yuliang
	SANG Meng

Cite this article:

XU Mingwei,XIA Anqing,YANG Yuan, et al. Intra-domain routing protocol OSPF+ for integrated terrestrial and space networks[J]. Journal of Tsinghua University(Science and Technology), 2017, 57(1): 12-17.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2017.21.003 OR http://jst.tsinghuajournals.com/EN/Y2017/V57/I1/12

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