基于SCTP和移动IP的GEO天基网络移动性管理
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摘要
相比基于低轨(LEO)卫星的天基网络,基于静止轨道(GEO)卫星的天基网络具有空间节点数量少、拓扑结构简单和系统建设成本低的优点。围绕用户终端在GEO天基网络中的移动性管理问题,利用移动IP架构的位置管理功能定位并追踪移动用户终端的网络位置,基于流控制传输协议(SCTP)的多地址归属特性保证移动切换过程中数据传输连接的连续性,提出了一种融合SCTP协议和移动IP架构的GEO天基网络移动性管理方案,具有良好的网络安全特性。测试结果表明,该方案既消除了移动IP架构固有的"三角路由"缺陷,同时具有较高的切换平滑性,是解决GEO天基网络移动性管理问题的有效方案。
Compared with the LEO space-based networks,the GEO space-based networks have some advantages,for example,the number of space nodes is small,and the structure of network is simple,also the cost of building the system is low. Centering on the mobility management problems caused by mobile users in GEO space-based networks,a mobility management scheme for GEO spacebased networks combining SCTP and mobile IP is proposed,which makes use of the location management of mobile IP to locate and track the locations of mobile hosts,and uses the multihoming feature of m SCTP to guarantee the continuity of data transfer connections in the handoff process. This scheme has good network security characteristics. As the test result shown,this scheme can resolve the problem of "Triangular Routing"caused by the mobile IP,and can enhance the smoothness in the handoff process. So this scheme is effective for solving the mobility management of GEO space-based networks.
Compared with the LEO space-based networks,the GEO space-based networks have some advantages,for example,the number of space nodes is small,and the structure of network is simple,also the cost of building the system is low. Centering on the mobility management problems caused by mobile users in GEO space-based networks,a mobility management scheme for GEO spacebased networks combining SCTP and mobile IP is proposed,which makes use of the location management of mobile IP to locate and track the locations of mobile hosts,and uses the multihoming feature of m SCTP to guarantee the continuity of data transfer connections in the handoff process. This scheme has good network security characteristics. As the test result shown,this scheme can resolve the problem of "Triangular Routing"caused by the mobile IP,and can enhance the smoothness in the handoff process. So this scheme is effective for solving the mobility management of GEO space-based networks.
引文
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[13]PERKINS C.IP Mobility Support for IPv4.IETF RFC3344[S],2002.
[14]JOHNSON D,PERKINS C.Mobility Support in IPv6.IETF RFC3775[S],2004.
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[16]方飞,何方白,阳莉.SCTP在移动IP安全中的应用[J].移动通信,2008(4):48-51.
[17]王雪琛,张月卓,季新生.利用COOKIE验证机制保证SCTP偶联建立的安全性[J].现代计算机(专业版).2004(7):53-55.
[18]BEHROUZ A F.TCP/IP协议族[M].北京:清华大学出版社,2011:445-446.
[19]SHAHRIAR A Z M,ATIQUZZAMAN M,RAHMAN S.Mobility Management Protocols for Next-generation AllIP Satellite Networks[J].IEEE Wireless Communications,2008,15(2):41-52.
[2]黄惠明,常呈武.天地一体化天基骨干网络体系架构研究[J].电子科学研究院学报,2015,10(5):460-467.
[3]贾敏,高天娇,郑黎明,等.天基网络动态接入技术现状与趋势[J].中兴通讯技术,2016,22(4):34-38.
[4]周红彬,肖永伟,卢山.天基信息系统一体化发展与启示[J].无线电工程,2015,45(4):12-15.
[5]梁宗闯,陶滢,高梓贺.天基宽带互联网发展现状与展望[J].中兴通讯技术,2016,22(4):14-18.
[6]王远,姚艳军,王烁.我国天基信息网未来发展设想[J].信息通信,2014(1):91-92.
[7]冯玉龙,王玮.基于卫星移动通信的网络移动问题探析[J].无线电通信技术,2008,34(6):4-6,24.
[8]AKYILDIZI F,MCNAIR J,HOJSM,et al.Mobility Management in Next-Generation Wireless Systems[J].Proceedings of the IEEE,1999,87(8):1347-1384.
[9]陈山枝,时岩,胡博.移动性管理理论与技术的研究[J].通信学报,2007,28(10):123-133.
[10]STEWART R.Stream Control Transmission Protocol.IETF RFC 2960[S],2000.
[11]RIEGEL M,TUEXEN M.Mobile SCTP[EB/OL].http:∥draft-riegel-tuexen-mobile-sctp-06,2006.
[12]STEWART R.Stream Control Transmission Protocol(SCTP)Dynamic Address Reconfiguration.IETF RFC5061[S],2007.
[13]PERKINS C.IP Mobility Support for IPv4.IETF RFC3344[S],2002.
[14]JOHNSON D,PERKINS C.Mobility Support in IPv6.IETF RFC3775[S],2004.
[15]谷聚娟,张亚生.宽带卫星网络用户的移动性研究[J].无线电工程,2016,46(6):9-12.
[16]方飞,何方白,阳莉.SCTP在移动IP安全中的应用[J].移动通信,2008(4):48-51.
[17]王雪琛,张月卓,季新生.利用COOKIE验证机制保证SCTP偶联建立的安全性[J].现代计算机(专业版).2004(7):53-55.
[18]BEHROUZ A F.TCP/IP协议族[M].北京:清华大学出版社,2011:445-446.
[19]SHAHRIAR A Z M,ATIQUZZAMAN M,RAHMAN S.Mobility Management Protocols for Next-generation AllIP Satellite Networks[J].IEEE Wireless Communications,2008,15(2):41-52.