摘要
由于BGP(Border Gateway Protocol)路由配置错误和网络安全问题会导致无效的路由产生,影响Inter-net性能。为此,提出了一种BGP无效路由检测方法。该方法通过对入境和出境路由的地址前缀根据IP地址分配情况和所属关系检测来确定所发布前缀的合法性,发现无效的地址前缀。依据自治系统之间的商业关系,通过分析出入境路由的AS(Autonomous System)路径属性发现无效的AS路径。所给方法能有效地发现Inter-net上BGP配置错误所产生的无效路由,并限制这些无效路由在Internet上的扩散,提高了Internet整体性能。
The misconfiguration of BGP （ Border Gateway Protocol） and event of network safety can result in invalid routes, which affect the performance of the Internet. A method to dynamically detect invalid BGP routes is proposed. The method discovers invalid prefixes through checking the allocation record and the ownership of the prefixes of inbound routes and outbound routes. According to the commercial relationship between ASes, the method finds the invalid AS-Path （Autonomous System ） attribute in the routes. The proposed method can effectively detect the invalid BGP routes resulted from misconfiguration and limit the transition of these invalid routes on Internet. The total performance of the Internet is improved.
出处
《吉林大学学报（信息科学版）》
CAS
2007年第4期461-464,共4页
Journal of Jilin University（Information Science Edition）
关键词
自治系统
AS关系
BGP协议
BGP无效路由
autonomous system
relationship between autonomous systems
border gateway protocol
invalid border gateway protocol （BGP） routes
