CAJ | 학술논문

针对骨干路由器的BGP路由存在遭受“雪崩式”攻击可能，提出了一种改进的BGP路由更新算法。通过BGP链路存活通告数据包的更新周期有固定时长，改进为随机时长，同时当针对某一固定链路的BGP路由更新数据包频繁到达时，采用随机丢弃和延迟响应的策略进行处理，能够大幅度减少某一链路出现频繁中断的状态时，BGP路由更新协议不会受到明显的影响，有效地防止针对BGP协议的“雪崩攻击”。
침대골간로유기적BGP로유존재조수“설붕식”공격가능，제출료일충개진적BGP로유경신산법。통과BGP련로존활통고수거포적경신주기유고정시장，개진위수궤시장，동시당침대모일고정련로적BGP로유경신수거포빈번도체시，채용수궤주기화연지향응적책략진행처리，능구대폭도감소모일련로출현빈번중단적상태시，BGP로유경신협의불회수도명현적영향，유효지방지침대BGP협의적“설붕공격”。
The BGP routing backbone routers have suffered“avalanche”attack,this paper puts forward a kind of improved BGP rout-ing update algorithm. Through the BGP link survival update cycle notification packet with a fixed length,improved random length,at the same time when the BGP routing for a fixed link update frequent arrived,the random drop and delay response of treatment,can greatly re-duce the frequent interruption of a link state,BGP routing update protocol will not be significantly affected,effectively prevent against the BGP Protocol“avalanche attack”.