WAP網(wǎng)絡(luò)數(shù)據(jù)包的過濾與解包
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摘 要

隨著手機(jī)上網(wǎng)的不斷普及,手機(jī)無線業(yè)務(wù)的不斷拓展, 湖南移動(dòng)WAP總網(wǎng)關(guān)有平均高達(dá)200G/天的網(wǎng)絡(luò)數(shù)據(jù)流量。為了保障WAP網(wǎng)絡(luò)運(yùn)行效率,節(jié)省人力資源成本,現(xiàn)在需要通過對流經(jīng)WAP總網(wǎng)關(guān)的海量數(shù)據(jù)包進(jìn)行過濾分析從而主動(dòng)偵測。
本文通過對湖南省長株潭和其他地區(qū)網(wǎng)絡(luò)流量基礎(chǔ)數(shù)據(jù)的提取和分析，在研究學(xué)習(xí)WAP協(xié)議棧5層結(jié)構(gòu)的基礎(chǔ)上，基于winpcap庫函數(shù)，采用tcpdump過濾器語言，按照協(xié)議規(guī)范區(qū)分不同類型數(shù)據(jù)包，然后對過濾出的數(shù)據(jù)包進(jìn)行解包，提取出時(shí)間點(diǎn)、延遲等關(guān)鍵字段，存入數(shù)據(jù)庫進(jìn)行分析。
該方案有效降低了對海量數(shù)據(jù)進(jìn)行實(shí)時(shí)統(tǒng)計(jì)分析的復(fù)雜度，在設(shè)備性能開始下降前就能檢測到問題，早做防范，保障各地區(qū)WAP網(wǎng)絡(luò)的高效運(yùn)行。

關(guān)鍵詞：WAP網(wǎng)絡(luò)；WAP協(xié)議規(guī)范；過濾；解包





The filter and decode of WAP Network data package

Abstract

With the WAP phone become more popular, and wireless business expand faster, The network data flow of Hunan Mobile WAP gateway reach an average as high as 200G/ days. To protect the operating efficiency of WAP network, and save cost in manpower resources, need detect and analysis the WAP Gateway, filter and dissect the massive data packet which flow through the WAP Gateway right now.
This paper extract and analyze the data on the basis of ChangZhuTan and other areas of Hunan Province, Study the WAP protocol stack on basis of five-storey structure, on base of the winpcap function library, use tcpdump filter language, distinguish different types of data packets according to the protocol specification, Then unpack the filtered data packets, extract its keyword of time, delay and so on, stored in the database for analysis at last.
The solution effectively lowers the complexity of the analysis in statistic mass of data real-time, detect problem before the equipment performance starting to decline, and make precautions to protect efficient operation of every region’s WAP network.

Key Words： WAP Network; WAP Specification; Filter; Decode







目 錄
1 緒論 1
1.1 課題背景及目的 1
1.2 國內(nèi)外研究狀況 2
1.3 論文構(gòu)成及研究內(nèi)容 3
2 WAP網(wǎng)絡(luò)的流量統(tǒng)計(jì)分析 4
2.1 湖南省長株潭地區(qū) 4
2.1.1 長株潭地區(qū)網(wǎng)關(guān)流量數(shù)據(jù)表 4
2.1.2 長株潭地區(qū)網(wǎng)關(guān)流量圖 5
2.2 湖南省其它地區(qū) 7
2.2.1 其它地區(qū)網(wǎng)關(guān)流量數(shù)據(jù)表 7
2.2.2 長株潭地區(qū)網(wǎng)關(guān)流量圖 9
2.3 流量統(tǒng)計(jì)小結(jié) 11
3 WAP網(wǎng)絡(luò)協(xié)議棧的結(jié)構(gòu)分析 12
3.1 WAP協(xié)議棧的結(jié)構(gòu) 12
3.2無線應(yīng)用環(huán)境WAE 13
3.2.1 WAE應(yīng)用要求 13
3.2.2 WAE體系結(jié)構(gòu)概述 14
3.2.3 WAE模型 14
3.2.4 WAE組成 16
3.3無線會話協(xié)議WSP 16
3.3.1 WSP體系結(jié)構(gòu)概述 17
3.3.2 WSP協(xié)議數(shù)據(jù)單元結(jié)構(gòu) 18
3.4無線事務(wù)協(xié)議WTP 21
3.4.1 WTP特征 21
3.4.2 WTP事務(wù)級別 22
3.5無線傳輸安全層WTLS 23
3.6無線數(shù)據(jù)報(bào)協(xié)議 24
4 WAP網(wǎng)絡(luò)數(shù)據(jù)包的過濾與解包 25
4.1 數(shù)據(jù)包過濾語言 25
4.2 數(shù)據(jù)包解析 26
4.3 數(shù)據(jù)包結(jié)構(gòu)體源碼示例 27
結(jié)論 30
致謝 32
參考文獻(xiàn) 33



參考文獻(xiàn)
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