| 双层星座中负载均衡路由协议研究 |
| 其他题名 | load balanced routing protocol for double-layered satellite networks
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| 陈建州; 王路; 刘立祥; 胡晓惠
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| 2012
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| 发表期刊 | 宇航学报
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| ISSN | 10001328
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| 卷号 | 33期号:6页码:746-753 |
| 摘要 | 提出了一种适用于双层结构卫星网络的负载均衡路由协议LBRD。不同于传统多层卫星路由,协议采用独立的地理位置路由作为同层卫星的基本选路策略,并以层间互补的方式提高路由成功率;在此基础上,为了均衡网络负载,采用邻间链路负载通告的方式,调节单颗卫星的负载;对于多颗过载卫星形成的区域,引入区域均衡机制,通过节点间距离变换,使原本经过该区域的数据流绕行,加速负载恢复。仿真结果表明,协议能够有效地均衡网络负载,减少因拥塞所导致的排队延迟与数据丢失,保证了网络吞吐量。 |
| 其他摘要 | A load balanced routing protocol named LBRD is proposed for double-layered satellite networks. Unlike conventional hierarchical routing protocols, LBRD uses independent geographic routing within the same layer and takes another layer as a complement in case of route failure. To alleviate uneven traffic distribution, neighbor load notification for a single congested node is adopted, while a district load balanced scheme for the overloaded area formed by several nodes is introduced. Routing paths would detour heavily-loaded districts by transforming distance between nodes, accelerating load recovery of those districts. Simulation results show that this protocol yields a more balanced distribution of traffic over the constellation and brings down packet drop rate and queuing delay due to congestion, guaranteeing network throughput. |
| 关键词 | Aerospace Engineering
Space Flight
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| 部门归属 | 中国科学院软件研究所天基综合信息系统重点实验室;中国科学院研究生院;
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| 学科领域 | Computer Science (Provided By Thomson Reuters)
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| 语种 | 中文
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| 内容类型 | 期刊论文
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| URI标识 | http://ir.iscas.ac.cn/handle/311060/14632
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| 专题 | 天基综合信息系统全国重点实验室
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推荐引用方式
GB/T 7714 |
陈建州,王路,刘立祥,等. 双层星座中负载均衡路由协议研究[J]. 宇航学报,2012,33(6):746-753.
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| APA |
陈建州,王路,刘立祥,&胡晓惠.(2012).双层星座中负载均衡路由协议研究.宇航学报,33(6),746-753.
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| MLA |
陈建州,et al."双层星座中负载均衡路由协议研究".宇航学报 33.6(2012):746-753.
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