基于MPLS的空间信息网络路由策略
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摘要
针对空间信息网络中卫星链路组网时延长、IP技术与ATM技术体制难以融合与互通的问题,基于卫星多协议标签交换(MPLS)组网方案,提出一种空间信息网络路由策略。将IP数据包和ATM信元采用统一的MPLS格式进行封装,融合IP与ATM 2种技术体制,在融合过程中为合理选择传输路径,提出一种基于跳数和带宽利用率的路径选择算法。通过OPNET仿真平台进行验证,结果表明,与OSPF卫星网络路由策略相比,该策略能够有效降低网络的传输时延。
In order to solve the problems of prolonged satellite link networking,difficult integration and interoperability between IP technology and ATM technology in space information network,a routing strategy for space information network is proposed based on the satellite Multi-Protocol Label Switching(MPLS) networking scheme.IP packet and ATM cell are encapsulated in a unified MPLS format,which integrates IP and ATM technology.In order to select the transmission path reasonably,a path selection algorithm based on hops and bandwidth utilization is proposed.Results of OPNET simulation platform show that compared with OSPF satellite network routing strategy,this strategy can effectively reduce the transmission delay of the network.
In order to solve the problems of prolonged satellite link networking,difficult integration and interoperability between IP technology and ATM technology in space information network,a routing strategy for space information network is proposed based on the satellite Multi-Protocol Label Switching(MPLS) networking scheme.IP packet and ATM cell are encapsulated in a unified MPLS format,which integrates IP and ATM technology.In order to select the transmission path reasonably,a path selection algorithm based on hops and bandwidth utilization is proposed.Results of OPNET simulation platform show that compared with OSPF satellite network routing strategy,this strategy can effectively reduce the transmission delay of the network.
引文
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[2] 黄阳,宋鹏.MPLS在卫星网络中的应用探讨[C]//第十一届卫星通信学术年会论文集.北京:[出版者不详],2015:217-222.
[3] FARSEROTU J,PRASAD R.A survey of future broadband multimedia satellite systems,issue and trends[J].IEEE Communications Magazine,2000,38(6):128-133.
[4] CLARIZIA M P,GOMMENGINGER C,GLEASON S,et al.Global Navigation Satellite System-Reflectometry (GNSS-R) from the UK-DMC satellite for remote sensing of the ocean surface[C]//Proceedings of 2008 IEEE International Geoscience and Remote Sensing Symposium.Washington D.C.,USA:IEEE Press,2008:276-279.
[5] OWOADE A A,OSUNMAKINDE I O.Resilience and survivability of ATM node-node network failures using ant colony swarm intelligent modelling[C]//Proceedings of 2016 SAI Computing Conference.Washington D.C.,USA:IEEE Press,2016:16-28.
[6] BUSTER D.Towards IP for space-based communications systems:a CISCO systems assessment of a single board router[C]//Proceedings of Military Communications Conference.Washington D.C.,USA:IEEE Press,2005:56-58.
[7] OSAKO M,TANIGAWA Y,HIROTA Y,et al.High speed multipath computation algorithm for optical circuit and packet switching integrated network[C]//Proceedings of IEEE International Conference on High Performance Switching and Routing.Washington D.C.,USA:IEEE Press,2016:110-111.
[8] 龚向阳,金跃辉,王文东,等.宽带通信网原理[M].北京:北京邮电大学出版社,2006.
[9] DUBOIS E,BAUDOINY C,HAARDT C,et al.IP/MPLS satellite network convergence in ULISS project[C]//Proceedings of International Workshop on Signal Processing for Space Communications.Washington D.C.,USA:IEEE Press,2008:1-6.
[10] 胡士斌,任松,卢艳.MPLS VPN在航天发射场多业务网络融合中的应用研究[J].计算机工程与应用,2016,52(增刊):199-203.
[11] TRUCHLY P,URBANOVIC M.MPLS throughput over GEO satellites[C]//Proceedings of International Symposium Elmar-focused on Multimedia Signal Processing and Communications.Washington D.C.,USA:IEEE Press,2006:305-308.
[12] ZHAI L J,LI Z Y,CAO Z G.A novel method of LSP’s protection and restoration in Ka-band satellite MPLS network[C]//Proceedings of Asia-pacific Conference on Communications.Washington D.C.,USA:IEEE Press,2010:615-619.
[13] LEE J W,LEE J W,KIM T W,et al.Satellite over Satellite (SOS) network:a novel concept of hierarchical architecture and routing in satellite network[C]//Proceedings of the 25th Annual IEEE Conference on Local Computer Networks.Washington D.C.,USA:IEEE Press,2000:392-399.
[14] 韩来权,汪晋宽,王兴伟.基于可编程路由技术的MPLS单标签分流传输算法[J].通信学报,2014,35(5):155-159.
[15] 崔丙锋,杨震,丁炜.一种基于跳数和时延的MPLS自适应流量工程算法[J].通信学报,2005,26(3):64-67.
[16] LEMESHKO O,VAVENKO T,OVCHINNIKOV K.Design of multipath routing scheme with load balancing in MPLS-network[C]//Proceedings of the 12th International Conference on Experience of Designing and Application of CAD Systems in Microelectronics.Washington D.C.,USA:IEEE Press,2013:18-24.
[17] 肖甫,孙力娟,叶晓国,等.面向卫星网络的流量工程路由算法[J].通信学报,2011,32(5):104-111.
[18] 袁天,梁俊.基于遗传算法的卫星MPLS网络路由协议研究[J].信息工程大学学报,2013,14(5):548-551.
[19] 翟立君.卫星MPLS网络关键技术研究[D].北京:清华大学,2010.
[20] 邓德鑫.多层卫星网络通信路由设计[D].杭州:浙江大学,2012.