Consistency Control Algorithm for the Cache of Voice Platform Based on VoiceXML

WANG Wen-lin; LIAO Jian-xin; ZHU Xiao-min

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Consistency Control Algorithm for the Cache of Voice Platform Based on VoiceXML

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- Consistency Control Algorithm for the Cache of Voice Platform Based on VoiceXML
- Acta Electronica Sinica Vol. 35, Issue 4, Pages: 640-646(2007)
- 作者机构：
  
  北京邮电大学网络与交换技术国家重点实验室,北京,100876
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Published：2007
- 稿件说明：
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WANG Wen-lin, LIAO Jian-xin, ZHU Xiao-min. Consistency Control Algorithm for the Cache of Voice Platform Based on VoiceXML[J]. Acta Electronica Sinica, 2007, 35(4): 640-646.
DOI：

WANG Wen-lin, LIAO Jian-xin, ZHU Xiao-min. Consistency Control Algorithm for the Cache of Voice Platform Based on VoiceXML[J]. Acta Electronica Sinica, 2007, 35(4): 640-646. DOI：

摘要

在基于VoiceXML(Voice eXtensible Makeup Language)的语音平台上使用缓存有利于减少网络带宽的消耗

降低服务器的负荷

缩短用户的等待时间.通过分析语音平台的缓存模型

提出了拟合预测算法

对随机分布进行参数拟合

预测一定时间内VoiceXML文档修改的概率

从而确定缓存中的文档是否有效.仿真研究表明

该算法能得到低于1/10000的文档过期率以满足语音呼叫的需求

同时能有效提高系统性能

优于Alex算法.

Abstract

Using cache in the voice platform based on VoiceXML (Voice eXtensible Makeup Language) could reduce the cost of network bandwidth

server-load and delay of request.Through analyzing the cache model of voice platform

the Fitting Predicting algorithm is proposed.It estimates the validity of the cached document by performing parameter fits to stochastic distribution and predicting the change probability of VoiceXML documents within a certain period.Simulated research indicates the algorithm surpasses the Alex protocol and can obtain a stale ratio lower than 1/10000 to meet the demand of the voice platform while effectively enhancing the system performance.

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