IP網(wǎng)絡(luò)FTP服務(wù)性能監(jiān)測工具設(shè)計(jì)與實(shí)現(xiàn)

論文字?jǐn)?shù):12505,頁數(shù):36  有開題報(bào)告，任務(wù)書

摘  要
 在當(dāng)今信息社會(huì)，以國際互聯(lián)網(wǎng)（Internet）為主要特征的信息基礎(chǔ)設(shè)施正在改變?nèi)藗兊纳�活方�?資源共享已經(jīng)成為人們生活的迫切需要。文件傳輸是信息共享的一個(gè)重要內(nèi)容，F(xiàn)TP（File Transfer Protocol文件傳輸協(xié)議）自然而然成為網(wǎng)絡(luò)間交互的重要協(xié)議。與大多數(shù)Internet服務(wù)一樣，F(xiàn)TP也是一個(gè)客戶機(jī)/服務(wù)器系統(tǒng)。用戶通過一個(gè)支持FTP協(xié)議的客戶機(jī)程序，連接到在遠(yuǎn)程主機(jī)上的FTP服務(wù)器程序。用戶通過客戶機(jī)程序向服務(wù)器程序發(fā)出命令，服務(wù)器程序執(zhí)行用戶所發(fā)出的命令，并將執(zhí)行的結(jié)果返回到客戶機(jī)。
 隨著 Internet/Intranet 技術(shù)的迅速發(fā)展，許多公司、企業(yè)和網(wǎng)站建立了不少基于 FTP的應(yīng)用系統(tǒng)。一般地，在設(shè)計(jì)開發(fā) FTP 應(yīng)用系統(tǒng)的時(shí)候，很難模擬出大量用戶同時(shí)訪問系統(tǒng)的實(shí)際情況，使得系統(tǒng)投入使用以后，當(dāng)遇到訪問高峰時(shí)，容易發(fā)生服務(wù)器響應(yīng)速度變慢甚至服務(wù)中斷。為了避免這種情況，需要一種能夠真實(shí)模擬多用戶訪問 FTP服務(wù)器的工具程序，當(dāng)服務(wù)器程序在設(shè)計(jì)開發(fā)階段時(shí)，使用這一工具對 程序進(jìn)行性能測試，及時(shí)發(fā)現(xiàn) FTP應(yīng)用程序的服務(wù)瓶頸，以便采取相應(yīng)的措施。
 論文分別從程序的設(shè)計(jì)思想和關(guān)鍵技術(shù)著手，闡述了該FTP測試工具的設(shè)計(jì)過程并提供出測試數(shù)據(jù)。
關(guān)鍵字：FTP協(xié)議,客戶端,性能測試

Design and Tmplementation of the FTP performance
monitors tool

Abstract
 In information society, the main characteristic of information infrastructure is changing people's life style,sharing of resouurces already becomes the urgent requirement for people’s life.The file transfer is an important content of information sharing,ftp naturally becomes important protocol in network interactive.as same as other majority Internet Serves,ftp is also a client/server system.The user connects to the long-distance ftp server programme through the client programme which supports the ftp agreement.The user sends out the order through the client programme to the server programme,server programme execute the order which user sends out,and the result will be returned to the client.
 Along with the Internet/Intranet technology developping rapidly,many companies, the enterprise and the website have established many application system based on the ftp.Generally, in the design time of developping the ftp application system,it is very difficult to simulatethe actual situation of the massive users to visit the system simultaneously .When meets the visit peak after system used,it is easy to slow down the server speed of response even interrupt the service.In order to avoid this situation, it needs one tool procedure to really be able to simulate multiuser visits the ftp server.When server procedure in design phase,uses this tool to carry on the performance test for the procedure, discovers the service bottleneck of the ftp application programme promptly, and takes the corresponding measure.
 This thesis from design thought and the essential technology of the procedure, elaborates the designing of this ftp testing tool and provids the test data.  
 
  Key words: FTP,client,performance test
 目   錄
1 緒 論 1
1.1 課題研究背景及目的 1
1.2 研究現(xiàn)狀和發(fā)展趨勢 1
1.3 FTP簡介 3
1.4 影響FTP性能的因素 4
1.4.1 網(wǎng)絡(luò)問題 4
1.4.2 傳輸問題 4
1.4.3 影響FTP性能的其他因素 5
1.5 研究內(nèi)容 6
1.5.1 FTP工作原理概述 6
1.5.2 性能測試技術(shù)的實(shí)現(xiàn) 6
2 相關(guān)技術(shù) 7
2.1 FTP協(xié)議及工作原理 7
2.1.1 控制連接 8
2.1.2 數(shù)據(jù)連接 8
2.2 性能測試技術(shù) 9
2.3 系統(tǒng)環(huán)境模型 11
3 程序設(shè)計(jì)與實(shí)現(xiàn) 12
3.1 性能測試 12
3.2 C/S體系結(jié)構(gòu) 13
3.3 FTP客戶端的設(shè)計(jì) 14
3.3.1 Socket編程的使用 14
3.3.2 服務(wù)器的連接（見附錄） 15
3.4 響應(yīng)時(shí)間的計(jì)算 15
3.5 多線程的實(shí)現(xiàn) 16
4 工具的測試 19
4.1 軟件測試 19
4.2 測試對象 19
4.3 測試目的 19
4.4 測試環(huán)境 19
4.5 測試過程 19
4.6 測試數(shù)據(jù) 20
致 謝 21
參考文獻(xiàn) 22