基于服务策略的Parlay网关过载控制仿真研究  

Simulation of Parlay overload control based on service policy

作　　者：刘博[1] 党大伟[1] 杜新辉[2] 宋俊德[1] 

机构地区：[1]北京邮电大学PCN&CAD部级重点实验室 [2]新疆军区69026部队69分队

出　　处：《中国农业大学学报》2007年第2期76-79,共4页Journal of China Agricultural University

基　　金：国家自然科学基金资助项目(60372098)

摘　　要：针对目前电信业务网络的业务差异性大、业务突发性高等造成系统过载现象,研究了未来NGN网络的业务网关-Parlay,及目前的系统过载控制技术。结合下一代网络中Parlay网关的特征,根据服务质量QoS对业务进行分类和建模,给出了基于服务策略的业务过载控制模型,并详细描述了过载控制算法。仿真试验结果表明,该算法在保证业务服务策略的基础上,有效控制了业务应用服务器的过载现象,并具有一定的公平性。Based on the phenomena of current Telco service network system overload caused by service differences and strong burst, a technology of service gateway of the next generation network-Parlay and its overload control mechanisms are presented in this paper. A service overload control model based on service policy was established with consideration of operating features of a Parlay Gateway, Telco services were classified and modeled by QoS, and the overload control algorithm was analyzed in detail. Based on the simulation results, we concluded that the algorithm could be used for controlling system overload based on service policy effectively and faired

关 键 词：PARLAY 业务模型 过载控制 服务策略 下一代网络 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]