SIP ALG面向事务过程的队列调度算法及性能分析

黄永峰, 侯冠男, 李建庆

电子学报 ›› 2007, Vol. 35 ›› Issue (7) : 1223-1227.

PDF(503 KB)
PDF(503 KB)
电子学报 ›› 2007, Vol. 35 ›› Issue (7) : 1223-1227.
论文

SIP ALG面向事务过程的队列调度算法及性能分析

  • 黄永峰1, 侯冠男1, 李建庆2
作者信息 +

SIP ALG Multi-Queue Priority Scheduling Algorithm Based on Calling Events and the Performance Analysis

  • HUANG Yong-feng1, HOU Guan-nan1, LI Jian-qing2
Author information +
文章历史 +

摘要

NAT成为SIP端到端多媒体通信应用中一个巨大的障碍,如何解决SIP应用穿透NAT的问题成为当前互联网应用领域研究的热点问题.论文通过剖析NAT的工作原理,并针对SIP协议的信令过程的特点,提出了面向NAT穿透的SIP ALG体系结构模型.同时,针对ALG多路并发处理以及消息存储-修改-转发的特点,重点研究了ALG对多路呼叫处理的调度策略问题,提出了基于呼叫事务的多队列优先调度算法,并建立ALG最大同时处理数据数的计算模型.实际测试表明,论文所提出计算模型和实际测试结果比较吻合,证明了计算模型的正确性.

Abstract

NAT is a significant barrier in SIP peer-to-peer multimedia communication.The problem of penetrating NAT in SIP application is of great research value.Considering the process of SIP protocol,we propose an SIP ALG architecture that solves the problem of penetrating NAT.Moreover,the paper studies extensively on the scheduling strategy of multi-process calling.A multi-queue priority scheduling algorithm based on calling events is proposed,as well as a model that calculates the maximum simultaneous data number in ALG.The proposed models are verified by testing results.

关键词

NAT / 应用级网关 / 多队列调度算法

Key words

network address translation(NAT) / application level gateway (ALG) / multi-queue priority scheduling algorithm

引用本文

导出引用
黄永峰, 侯冠男, 李建庆. SIP ALG面向事务过程的队列调度算法及性能分析[J]. 电子学报, 2007, 35(7): 1223-1227.
HUANG Yong-feng, HOU Guan-nan, LI Jian-qing. SIP ALG Multi-Queue Priority Scheduling Algorithm Based on Calling Events and the Performance Analysis[J]. Acta Electronica Sinica, 2007, 35(7): 1223-1227.
中图分类号: TP393.2   

基金

国家发改委CNGI项目; 国家863高技术研究发展计划 (No.2006AA01Z4444); 澳门特别行政区科学技术发展基金 (No.372/043/SAF/2005)
PDF(503 KB)

2317

Accesses

0

Citation

Detail

段落导航
相关文章

/