面向并行入侵检测的主动式负载均衡算法

Active Load Balancing Algorithm Facing Parallel NIDS

针对网络流量中有些流数目少但其所占的流量比重很大,以及高速网络流量存在极强的突发性,本文提出了一种基于缓冲区队列管理的主动式入侵检测负载均衡(ALBIDS)算法。该算法由静态HASH分流与动态调整两部分组成,模拟实验表明:在真实网络流量trace下,与静态HASH算法和最小队列长度动态调整负载均衡算法相比较,本算法负载均衡度好、流破坏率小、丢包率小,具有很高的应用价值。

By investigating the characteristics of Internet traffic,we discover that flows with large traffic are few but they occupies large proportion of the total bytes and high speed internet traffic manifests high burst in the distributing of traffic and time,so we propose a novel load balancing scheme named ALBIDS（Active Load Balancing Algorithm for Intrusion Detection System）, which is based on buffer queue management and is composed of static hash and. Dynamic adjust.Validated by simulation with true internet traffic, ALBIDS exhibits its advantage in reducing packets discarding,flow damaging and balancing, the load, Comparing with static hash algorithm and dynamic load balancing algorithm base on least queue length.It has a high value of application.