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随着信息通信技术的不断发展,移动通信网络逐步向5G演进。5G SA网络基于服务化接口的新的网络架构,各功能实体间采用基于HTTP2.0协议的信令消息,信令网络如何组网成为5G核心网规划和建设的关键。本文通过分析5G信令的特点,提出信令组网的可行方案,为5G信令网组网提供建议和借鉴。 相似文献
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对简单对象访问协议SOAP进行了简要说明,介绍了SOAP消息结构以及SOAP协议的系统框架。通过对SOAP协议的分析,将SOAP系统划分为应用客户、SOAP客户和SOAP服务3部分,分别描述了3部分的功能、组成,并给出了具体的设计实现方法。与公共对象请求代理体系结构CORBA和分布式组件对象模型DCOM相比,简单对象访问协议SOAP具有简单、与平台无关、利于互操作和易于维护等特点,SOAP协议具有广阔的应用前景。 相似文献
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On many battery-powered mobile computing devices, the wireless network is a significant contributor to the total energy consumption. In this paper, we investigate the interaction between energy-saving protocols and TCP performance for Web-like transfers. We show that the popular IEEE 802.11 power-saving mode (PSM), a static protocol, can harm performance by increasing fast round trip times (RTTs) to 100 ms; and that under typical Web browsing workloads, current implementations will unnecessarily spend energy waking up during long idle periods.
To overcome these problems, we present the Bounded-Slowdown (BSD) protocol, a PSM that dynamically adapts to network activity. BSD is an optimal solution to the problem of minimizing energy consumption while guaranteeing that a connections RTT does not increase by more than a factor p over its base RTT, where p is a protocol parameter that exposes the trade-off between minimizing energy and reducing latency. We present several trace-driven simulation results that show that, compared to a static PSM, the Bounded-Slowdown protocol reduces average Web page retrieval times by 5–64%, while simultaneously reducing energy consumption by 1–14% (and by 13× compared to no power management). 相似文献
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GAO Ke-li DAI Li-zhong Beijing University of Posts Telecommunications Beijing P.R. China 《中国邮电高校学报(英文版)》2004,11(Z1)
1 Introduction WithWebbeingthemainserviceinthecurrentInternet,improvingend to endwebperformancebecomesanurgentandinterestingtopicnow .Userperceivedlatencyisthemostimportantmetrictoe valuateend to endwebperformance. Fig .1showsatypicalprocessofretrievingaWebpage (expressedasaURL) . ·AuseragentmakesDNSlookuptoresolvetheservernameintherequestedURL . ·TheuseragentestablishesaTCPconnectiontotheserver.Fig .1 ProcessofretrievingaWebpage·TheuseragentsendsarequestoftheURL (en capsula… 相似文献
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在传统的Web应用程序中,常出现超时、重试、服务器错误、内容错误等通信故障,而在Ajax应用程序中,性能经常是放在首位的,为确保通信的健全性,基于Ajax工作原理从Ajax的数据响应角度进行分析,对传统Web框架的系统存在用户等待时间长、经常出现白页的问题,提出了采用HTTP压缩方法和缓存等技术来提高数据传输性能的Ajax模型。通过改善Ajax应用程序的性能,提高了网络反映速度,获得了高质量、快速和健壮的网络通信。 相似文献
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为了解决已经通过Web认证上网的用户在从一个接入路由器移动到另外一个接入路由器之后,由于通信链路的中断被迫重新进行web认证而造成Web认证服务在移动切换情况下的不连续的问题。在普通Web认证的基础上加入了precheck过程,通过在认证网关强迫用户重定向到认证服务器进行Web认证之前先查询该用户的认证状态,保证已通过认证的用户无需再次认证,其发送的数据包被直接放行,从而保证了Web认证在移动切换过程中的连续性。 相似文献
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