摘要
在深入研究主机身份协议的实现HIPL(Host Identify Protocol for Linux)的基础上,针对HIPL中Cookie机制存在计算开销和存储开销过大,Puzzle伪随机函数是线性的,以及HIPL难度系数没有考虑到响应端资源占用情况等问题,提出了改进机制IHC(Improved HIPL Cookie)。通过减小开销大的响应端数据和状态信息存储,利用资源平衡机制,在服务质量非最优状态下,对Cookie机制进行调整,并在Linux平台下实现和测试了IHC机制。实验表明,IHC机制可有效保护响应端的系统资源,提高系统性能,可避免出现系统服务终止或崩溃。
Based on investigaing of Host Identity protocol implementation HIPL,Improved mechanism IHC is proposed to solve the problems of HIPL which include extra calculate and storage cost,linear Puzzle pseudo-random function and HIPL difficulty coefficient for not taking responder＇s resource consumption into consideration.By reducing the storage of responder＇s data and state information and using resource-balance mechanism,responder can adjust the Cookie mechanism on non-optimal QoS conditions.Moreover,the IHC mechanism is implemented and tested on Linux.The test results indicate IHC mechanism can protect responder＇s system resources effectively and improve system performance to avoid system service termination or collapse.
出处
《南京邮电大学学报（自然科学版）》
2011年第3期21-26,共6页
Journal of Nanjing University of Posts and Telecommunications：Natural Science Edition
基金
国家高技术研究发展计划(863计划)(2006AA01Z208)
江苏省科技支撑计划(BE2009157)
南京邮电大学青蓝计划(NY208023
NY207118
NY206065)资助项目
