本文選題：HTTP協(xié)議優(yōu)化 + Web加速　； 參考：《北京郵電大學(xué)》2014年碩士論文

【摘要】：隨著Web技術(shù)的迅猛發(fā)展和普及,Web應(yīng)用怎樣能夠快速的被用戶訪問,成為一個(gè)所有Web應(yīng)用開發(fā)人員都關(guān)注的問題,各種Web加速技術(shù)被提出來提高最終用戶訪問Web的體驗(yàn)。然而這些技術(shù)需要Web應(yīng)用開發(fā)人員在設(shè)計(jì)、開發(fā)、部署等階段進(jìn)行有針對(duì)性的優(yōu)化,從而導(dǎo)致無(wú)法實(shí)現(xiàn)具有普適性的Web加速,Web加速的成本也相對(duì)較高。為實(shí)現(xiàn)更具普適性的Web加速,需要考慮從Web技術(shù)本身對(duì)其進(jìn)行優(yōu)化。 目前,針對(duì)HTTP協(xié)議的優(yōu)化被認(rèn)為是可以最大限度實(shí)現(xiàn)的具有普適性的Web加速,因而成為學(xué)術(shù)界與工業(yè)界的研究熱點(diǎn)。本文以實(shí)現(xiàn)Web加速為目標(biāo),針對(duì)HTTP/1.1協(xié)議連接利用率低、相同字段內(nèi)容重復(fù)傳輸?shù)热毕?通過網(wǎng)絡(luò)損傷模擬測(cè)試、數(shù)學(xué)模型分析和網(wǎng)絡(luò)協(xié)議仿真的方法,對(duì)比分析HTTP Pipelining和HTTP/2.0在不同網(wǎng)絡(luò)環(huán)境和頁(yè)面特征下的性能優(yōu)化效果。在此基礎(chǔ)上,結(jié)合移動(dòng)互聯(lián)網(wǎng)的網(wǎng)絡(luò)環(huán)境的特點(diǎn),提出一套適用于移動(dòng)終端的HTTP協(xié)議加速方案,通過在移動(dòng)終端的操作系統(tǒng)中添加協(xié)議轉(zhuǎn)化中間件,實(shí)現(xiàn)移動(dòng)終端上多個(gè)應(yīng)用復(fù)用同一條HTTP連接,進(jìn)而提升移動(dòng)終端上應(yīng)用的Web訪問效率,節(jié)約移動(dòng)網(wǎng)絡(luò)中寶貴的無(wú)線鏈路資源。 本文首先回顧了主流Web加速手段及HTTP協(xié)議發(fā)展歷程,分析了HTTP/1.1協(xié)議的設(shè)計(jì)缺陷。接著,對(duì)HTTP Pipelining和HTTP/2.0在不同場(chǎng)景下的加速效果進(jìn)行了分析、測(cè)試和仿真。最后,總結(jié)出不同場(chǎng)景下HTTP協(xié)議優(yōu)化的建議技術(shù)方案,并提出一套面向移動(dòng)互聯(lián)網(wǎng)Web加速的HTTP協(xié)議優(yōu)化方案。
[Abstract]:With the rapid development of Web technology and the popularity of web applications how to be quickly accessed by users has become a concern of all Web application developers. Various Web acceleration technologies have been proposed to improve the end-user experience of accessing Web. However, these technologies require Web application developers to optimize in the stages of design, development, deployment and so on, which leads to the relatively high cost of Web acceleration which can not be implemented universally. In order to achieve more universal Web acceleration, it is necessary to consider the optimization of Web technology itself. At present, the optimization of HTTP protocol is considered to be a universal Web acceleration that can be realized to the maximum extent, so it has become a research hotspot in academia and industry. The aim of this paper is to realize Web acceleration, aiming at the disadvantages of low connection utilization rate of HTTP/1.1 protocol and repeated transmission of the same field content. The methods of network damage simulation test, mathematical model analysis and network protocol simulation are used to solve the problems, such as network damage simulation, mathematical model analysis and network protocol simulation. The performance optimization effects of HTTP Pipelining and HTTP/2.0 in different network environments and page features are compared and analyzed. On this basis, combined with the characteristics of the network environment of mobile Internet, a set of HTTP protocol acceleration scheme for mobile terminal is proposed, and the middleware is transformed by adding protocol to the operating system of mobile terminal. Multiple applications on the mobile terminal can reuse the same HTTP connection so as to improve the Web access efficiency of the application on the mobile terminal and save the precious wireless link resources in the mobile network. This paper first reviews the mainstream Web acceleration method and the development history of HTTP protocol, and analyzes the design defects of HTTP/1.1 protocol. Then, the acceleration effects of HTTP Pipelining and HTTP/2.0 in different scenarios are analyzed, tested and simulated. Finally, this paper summarizes the proposed technical scheme of HTTP protocol optimization in different scenarios, and proposes a set of HTTP protocol optimization schemes for mobile Internet Web acceleration.
【學(xué)位授予單位】：北京郵電大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TP393.09

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本文編號(hào)：1908277