计算机网络第二章_第1页
计算机网络第二章_第2页
计算机网络第二章_第3页
计算机网络第二章_第4页
计算机网络第二章_第5页
已阅读5页,还剩183页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

ApplicationLayer2-1Chapter2:applicationlayerourgoals:

conceptual,implementationaspectsofnetworkapplicationprotocolstransport-layerservicemodelsclient-serverparadigmpeer-to-peerparadigmlearnaboutprotocolsbyexaminingpopularapplication-levelprotocolsHTTPFTPSMTP/POP3/IMAPDNScreatingnetworkapplicationssocketAPIApplicationLayer2-2Chapter2:outline2.1principlesofnetworkapplications2.2WebandHTTP2.3FTP2.4electronicmailSMTP,POP3,IMAP2.5DNS2.6P2Papplications2.7socketprogrammingwithUDPandTCPApplicationLayer2-3Somenetworkappse-mailwebtextmessagingremoteloginP2Pfilesharingmulti-usernetworkgamesstreamingstoredvideo(YouTube,Hulu,Netflix)voiceoverIP(e.g.,Skype)real-timevideoconferencingsocialnetworkingsearch……ApplicationLayer2-4Creatinganetworkappwriteprogramsthat:runon(different)endsystemscommunicateovernetworke.g.,webserversoftwarecommunicateswithbrowsersoftwarenoneedtowritesoftwarefornetwork-coredevicesnetwork-coredevicesdonotrunuserapplicationsapplicationsonendsystemsallowsforrapidappdevelopment,propagationapplicationtransportnetworkdatalinkphysicalapplicationtransportnetworkdatalinkphysicalapplicationtransportnetworkdatalinkphysicalApplicationLayer2-5Applicationarchitecturespossiblestructureofapplications:client-serverpeer-to-peer(P2P)ApplicationLayer2-6Client-serverarchitectureserver:always-onhostpermanentIPaddressdatacentersforscalingclients:communicatewithservermaybeintermittentlyconnectedmayhavedynamicIPaddressesdonotcommunicatedirectlywitheachotherclient/serverApplicationLayer2-7P2Parchitecturenoalways-onserverarbitraryendsystemsdirectlycommunicatepeersrequestservicefromotherpeers,provideserviceinreturntootherpeersselfscalability–newpeersbringnewservicecapacity,aswellasnewservicedemandspeersareintermittentlyconnectedandchangeIPaddressescomplexmanagementpeer-peer2:ApplicationLayer8ProcessescommunicatingProcess:programrunningwithinahost.withinsamehost,twoprocessescommunicateusinginter-processcommunication(definedbyOS).processesindifferenthostscommunicatebyexchangingmessagesClientprocess:processthatinitiatescommunicationServerprocess:processthatwaitstobecontactedNote:applicationswithP2Parchitectureshaveclientprocesses&serverprocessesApplicationLayer2-9Socketsprocesssends/receivesmessagesto/fromitssocketsocketanalogoustodoorsendingprocessshovesmessageoutdoorsendingprocessreliesontransportinfrastructureonothersideofdoortodelivermessagetosocketatreceivingprocessInternetcontrolledbyOScontrolledbyappdevelopertransportapplicationphysicallinknetworkprocesstransportapplicationphysicallinknetworkprocesssocketApplicationLayer2-10Addressingprocessestoreceivemessages,processmusthaveidentifierhostdevicehasunique32-bitIPaddressQ:doesIPaddressofhostonwhichprocessrunssufficeforidentifyingtheprocess?identifier

includesbothIPaddressandportnumbersassociatedwithprocessonhost.exampleportnumbers:HTTPserver:80mailserver:25tosendHTTPmessagetowebserver:IPaddress:

2portnumber:

80moreshortly…A:no,manyprocessescanberunningonsamehostApplicationLayer2-11App-layerprotocoldefinestypesofmessagesexchanged,

e.g.,request,responsemessagesyntax:whatfieldsinmessages&howfieldsaredelineatedmessagesemantics

meaningofinformationinfieldsrulesforwhenandhowprocessessend&respondtomessagesopenprotocols:definedinRFCsallowsforinteroperabilitye.g.,HTTP,SMTPproprietaryprotocols:e.g.,Skype2:ApplicationLayer12Whattransportservicedoesanappneed?Datalosssomeapps(e.g.,audio)cantoleratesomelossotherapps(e.g.,filetransfer,telnet)require100%reliabledatatransfer

Timingsomeapps(e.g.,Internettelephony,interactivegames)requirelowdelaytobe“effective”Throughputsomeapps(e.g.,multimedia)requireminimumamountofthroughputtobe“effective”otherapps(“elasticapps”)makeuseofwhateverthroughputtheygetSecurityEncryption,dataintegrity,…2:ApplicationLayer13TransportservicerequirementsofcommonappsApplicationfiletransfere-mailWebdocumentsreal-timeaudio/videostoredaudio/videointeractivegamesinstantmessagingDatalossnolossnolossnolossloss-tolerantloss-tolerantloss-tolerantnolossThroughputelasticelasticelasticaudio:5kbps-1Mbpsvideo:10kbps-5MbpssameasabovefewkbpsupelasticTimeSensitivenononoyes,100’smsecyes,fewsecsyes,100’smsecyesandnoApplicationLayer2-14InternettransportprotocolsservicesTCPservice:reliabletransport

betweensendingandreceivingprocessflowcontrol:senderwon’toverwhelmreceivercongestioncontrol:throttlesenderwhennetworkoverloadeddoesnotprovide:timing,minimumthroughputguarantee,securityconnection-oriented:setuprequiredbetweenclientandserverprocessesUDPservice:unreliabledatatransferbetweensendingandreceivingprocessdoesnotprovide:reliability,flowcontrol,congestioncontrol,timing,throughputguarantee,security,orconnectionsetup,Q:whybother?WhyisthereaUDP?2:ApplicationLayer15Internetapps:application,transportprotocolsApplicatione-mailremoteterminalaccessWebfiletransferstreamingmultimediaInternettelephonyApplicationlayerprotocolSMTP[RFC2821]Telnet[RFC854]HTTP[RFC2616]FTP[RFC959]HTTP(egYoutube),

RTP[RFC1889]SIP,RTP,proprietary(e.g.,Skype)UnderlyingtransportprotocolTCPTCPTCPTCPTCPorUDPTCPorUDP2:掠A舌pp锐li坦ca选ti雪on箱L聋ay纱er16Ch萄ap拨te脊r抱2:纱A惨pp农li墨ca愿ti环on步l电ay毁er2.闻1赴Pr法in瓦ci访pl亚es嚷o差f啊ne车tw毛or吧k道ap吼pl蓬ic倾at贞io帖nsap仓p洲ar秤ch庄it性ec凯tu柔re偿sap青p内re逐qu捆ir培em鸡en极ts2.肺2摩We悦b克an削d剥HT姓TP2.懂3际FT舍P2.络4资El使ec括tr醒on典ic债M书ai强lSM心TP领,虫PO右P3换,西IM朱AP2.覆5脆DN架S2.横6物P2怕P激ap女pl蹦ic甜at垦io代ns2.穴7模So坊ck燥et堵p迹ro途gr章am句mi已ng再w脑it任h挑TC恨P2.钻8弄So规ck蛙et瓶p崖ro专gr宏am镜mi献ng误w现it扑h架UD敲P2:乐A槐pp降li剂ca胸ti洪on案L镰ay质er17We支b/圈WW呜W奔an姨d若HT传TPFi渣rs育t篇so组me乳j喂ar稼go评nWe丧b岁pa根geco扫ns撒is旺ts林o丙fob此je秆ct灿sOb盗je欲ct昨c他an焦b付e枕HT把ML类f元il熄e,耗J颤PE壳G苦im本ag类e,江J机av吓a赢ap傻pl房诚et芹,蔬au比di圈o轨fi龄le从,…We泽b锋pa娃ge坛c拒on张si脚st浪s疯ofba竹se天H狭TM商L-泰fi梁lewh朵ic蛛h滚in落cl雅ud绑es盾s输ev比er绍al代r贵ef粗er肿en右ce姨d浮ob浇je袭ct映sEa盛ch峰o制bj找ec购t爬is醋a探dd蹲re幕ss暖ab知le农b雨y载aUR伪LEx译am夹pl赴e座UR狼L:/someDept/pic.gifhostnamepathnameAp密pl暖ic骨at齐io拖n纹La枝ye成r2-18HT陆TP竿o顷ve秋rv厕ie夕wHT萝TP眯:站hy待pe销rt简ex蓬t昨tr裤an羞sf税er冈p舍ro权to芦co窃lWe末b’s工ap送pl袜ic荒at护io当n愈la症ye牧r吐pr货ot属oc狱olcl援ie吊nt狸/s聋er量ve堡r植mo设de掘lcl叙ie也nt:br胡ow版se顺r泉th介at喂r愚eq乔ue冲st塘s,打r冻ec抢ei来ve埋s,樱(矮us咱in亡g玩HT堪TP夜p称ro亏to谜co尘l)恐a历nd“di眯sp久la防ys”We肝b华ob裕je速ct迷sse灵rv爬er锡:We咱b临se捡rv剑er转s建en薄ds晨(疾us醒in争g煤HT浇TP考p趋ro忌to井co址l)绣o扭bj船ec软ts稿i贸n及re革sp乐on决se窃t止o羽re略qu饿es牌tsPC络r扇un呜ni郊ngFi和re娃fo败x鼓br写ow抽se汤rse故rv皆erru惜nn顿in助gAp芳ac聪he责W干ebse惕rv缩慧erip夸ho指ne托r旷un语ni皂ngSa超fa本ri臭b剩ro房诚ws旋erHTTPrequestHTTPresponseHTTPrequestHTTPresponse2:翅A异pp劲li凡ca斯ti档on均L洽ay瞒er19HT秤TP水o港ve亲rv来ie青w麻(c局on营ti贴nu团ed肚)Us技es饭T蹲CP汪:cl毕ie侄nt喝i龟ni俩ti折at镜es某T肤CP晕c现on宇ne湖ct倚io培n裕(c办re鹿at违es奥s牧oc僚ke舍t)购t尘o意se例rv乌er具,狐p延or忠t绩80se笼rv胡er夹a戏cc锣ep冲ts拆T替CP贫c唉on工ne挥ct茶io兼n四fr秧om迁c捷li童en通tHT寸TP国m医es绳sa各ge旷s纱(a洗pp能li散ca摩ti租on纯-l袄ay摸er咽p绿ro岗to毙co厅l冷me温ss暴ag嗓es线)挂ex水ch茶an秤ge傅d择be揭tw汗ee绕n涌br戴ow超se横r翻(H简TT抵P缩慧cl车ie程nt样)复an塌d肺We醒b栏se冠rv胆er议(凭HT韵TP仓s趴er链ve拌r)TC多P袍co咳nn芬ec镰ti湾on室c忘lo惊se倒dHT静TP害i象s矛“s万ta盏te扁le塑ss嗓”se轻rv弓er筑m标ai窗nt似ai例ns斥n微o宇in矮fo脉rm益at凭io津n翻ab窃ou嚼t烦pa闷st滚c禽li督en浇t平re厚qu沈es干tsPr牲ot沿oc幼ol宋s奴th蹲at伐m建ai坟nt符ai顾n懂“s匀ta吴te记”蜘ar换e兆co日mp牧le队x!pa赖st洋h目is起to辞ry溪(左st趟at继e)费m漆us剪t萄be怀m剃ai圆nt脊ai术ne奏dif同s批er辟ve危r/收cl捕ie老nt追c编ra插sh耀es捉,册th漏ei希r两vi环ew叨s梨of貌“辆st漂at见e”亚m芝ay潜b啦e惨in黄co蛋ns商is塌te店nt缘瑞,换mu斗st皱b弯e晶re厕co偏nc稼il抗edas膨id絮eAp欲pl伙ic瓣at码io报n古La系ye促r2-20HT情TP哈c代on薪ne芒ct止io暑nsno犯n-姥pe君rs崭is叔te哄nt极H键TT耗Pat传m袜os掠t桶on劫e模ob肺je济ct陷s怪en堆t拘ov赢er播T胆CP伐c臣on择ne趁ct薄io坐nco蹦nn偏ec炭ti薄on碰t疗he饭n因cl开os茫eddo秃wn练lo芬ad贫in蜓g锡mu界lt丈ip甚le沈o嗽bj悠ec较ts挨r岸eq面ui即re亚d祸mu唯lt冶ip虏le涂c材on迈ne中ct组io刑nspe蝴rs馋is大te尚nt挂H差TT民Pmu宏lt饱ip夹le捐o振bj孟ec社ts凑c沾an挡b碗e甩se翠nt众o幕ve哲r尽si沸ng协le野T秃CP贯c碗on蔽ne省ct秧io长n蕉be挣tw寺ee甜n俘cl橡ie洲nt敌,攻se槐rv震er2:壁A绝pp舍li皮ca夸ti诵on慎L承ay扯er21No挣np阴er泄si斥st阳en社t屋HT汁TPSu描pp争os丙e揉us香er垄e受nt级er浆s短UR仙Lww保w.驰so聪me美Sc艘ho待ol波.e无du报/s搂om特eD绒ep法ar湿tm将en蛋t/毒ho扔me买.i河nd胸ex1a.HT外TP醉c轧li遣en谦t崭in苍it莫ia浅te摘s缓TC基P判co筛nn掉ec虽ti牛on命t缝o些HT拉TP包s门er后ve衰r羞(p犁ro械ce诵ss灰)耐atww押w.即so笔me亚Sc政ho怜ol匪.e严du宰o希n炒po袄rt802.HT掩TPcl疫ie揪nt外s粒en批ds尖H护TT落Pre面qu间es闪t墨me鼠ss弯ag豪e(c杂on觉ta筑in唱in薪g夫UR慢L)歉i咱nt霸o慰TC车P灿co洋nn暮ec辰ti谈on邪s填oc救ke运t.烤M兰es袖sa售ge抢i证nd浆ic跃at驴es坏t叫ha旺t瞒cl份ie仗nt宿w纸an申ts刃o蔬bj少ec膏tso低me逢De菠pa棉rt拌me绳nt叉/h霜om逝e.善in优de阔x1b滔.HT办TPse员rv累er牢a柿t杯ho含stww蹲w.晚so管me裳Sc秃ho温ol揪.e欲duwa需it略in驻g辟fo兴r梦TC败P集co牲nn女ec雷ti适on傻a吧t战po尸rt钥8怕0.熄“a班cc仁ep辟ts逆”登co蠢nn扩ec将ti荒on法,滨no齿ti模fy够in面g沙cl饮ie开nt3.HT本TPse毛rv印er张r话ec抖ei棍ve赏s瞎re诉qu杯es坏t膏me似ss羞ag约e,对f放or约msre旁sp鼓on仇se乌m萌es赢sa薯geco铁nt害ai混ni且ng斜r辜eq瞧ue魄st纲ed卵o丑bj衔ec超t,改a代nd如s读en罪ds顾m界es警sa下ge回i顺nt长o催it斩s躬so割ck降etti养me(c烤on判ta响in透s抚te光xt刃,re爆fe鹿re泻nc念es络t向o朱10jp陈eg煌i损ma蜘ge饲s)2:搁A港pp家li陕ca胀ti德on麦L共ay慎er22No跟np怨er铅si袋st谷en载t套HT兵TP篇(购co贿nt玩.)5.HT如TP倾c脑li荣en师t寒re剖ce削iv与es命r斥es景po贫ns茫e加me虑ss巧ag丸e长co示nt穿ai召ni恭ng随h梯tm等l支fi耻le顿,密di煮sp街la膨ys浪h照tm艰l.爪Pa糖rs岸in暮g只ht安ml长f任il劳e,肌f祝in代ds顶1挎0外re棉fe研re荡nc百ed候j墓pe腐g疲o对bj身ec乏ts6.St袍ep款s渐1-崖5拜re南pe餐at拍ed倡f午or沃e葛ac辨h杂of爆1昌0飘jp再eg揉o呈bj屑ec蜡ts4.HT娇TPse蚀rv刘er疼c孤lo衣se决s流TC修P零co犹nn紫ec污ti早on假.ti茫me2:巨A宝pp球li铺ca旗ti忌on勒L辰ay薪er23No捐n-辆Pe润rs虎is繁te凝nt速H帐TT活P:稠R燥es悟po倡ns驴e食ti叔meDe恨fi智ni燃ti广on幕o插f念RT值T:ti笼me粥f叨or自a皮s们ma海ll让p征ac属ke尝t活to视t缠ra欲ve扩l毙fr挥om宜c酒li老en僚t恨to怖s牛er镇ve训r灿an抖d絮ba针ck吧.Re划sp治on厉se策t占im架e:on教e王RT圣T南to丑i把ni厌ti谁at杨e白TC腊P宵co耀nn流ec提ti范onon校e辆RT毯T载fo符r洁HT离TP端r女eq爬ue鹅st克a捧nd敞f咳ir胃st冲f邻ew肝b汁yt案es件o漫f婶HT躺TP也r跟es固po网ns哲e员to标r肯et跑ur狱nfi数le携t丽ra辰ns喂mi生ss俭io营n蹲ti舌meto忙ta酱l插=道2R聪TT梯+t恩ra竭ns培mi饮t龟ti苏metimetotransmitfileinitiateTCPconnectionRTTrequestfileRTTfilereceivedtimetime2:胆A主pp受li竟ca艳ti乳on贫L改ay佳er24Pe蒸rs味is服te况nt劳H社TT崭PNo跪np村er艺si困st墓en踢t突HT抄TP法i轻ss井ue呢s:re界qu乓ir钉es澡2帮R密TT丑s估pe月r怜ob鸽je忙ctOS键o颤ve遗rh称ea杠d桑fo参rea得chTC督P米co依nn气ec耽ti赢onbr移ow傲se般rs嚼o旅ft液en桐o型pe曲n蝇pa扫ra锦ll咐el科T方CP亡c夏on员ne袭ct烤io终ns烂t据o驾fe闯tc熄h形re继fe跟re摘nc槽ed言o职bj已ec忆tsPe摧rs旷is编te花nt自HT岛TPse浮rv枝er叉l章ea菠ve睛s洲co烛nn赖ec榆ti阻on酷o洪pe筒n根af窝te宪r吹se命nd康in纪g蜂re疾sp惩on昌sesu副bs猎eq须ue场nt浮H插TT预P穴me樱ss辱ag显es纷be吼tw狠ee均n据sa惰me导c腥li否en魂t/穷se轧rv缴er戒s寨en害t喇ov泳er喊o扑pe骆n长co渣nn绘ec李ti升oncl股ie陶nt殖s悼en每ds技r筑eq辣ue摆st净s倍as着s析oo渐n愁as砍i夺t扮en少co江un匪te批rs湿a盟r谈ef睡er肥en任ce谊d单ob钻je防ctas勒l蒸it谈tl翅e胀as靠o短ne奥R栋TT粪f剩or举a孝ll潜t叙he抬r渣ef赞er郑en纱ce贡d凑ob短je业ct副sAp遇pl梁ic监at侨io毯n使La证ye牧r2-25HT仁TP拿r事eq惩ue亮st秆m睛es口sa想getw赏o谨ty醉pe宽s良of因H呢TT字P野me拳ss浆ag职es是:re魔qu夸es逝t,re婶sp柔on详seHT脊TP环r兼eq信ue边st很m咽es旨sa暑ge恋:AS们CI影I料(h早um还an偿-r扰ea祥da歉bl参e从fo哥rm骑at棚)re孕qu岗es广t撕li效ne(G厅ET旅,怖PO妙ST摇,HE早AD生c芒om雄ma算nd根s)he床ad艺erli恶ne尝sca责rr喷ia宪ge秒r顶et织ur哲n,li艘ne心f柄ee套d盆at写s番ta羽rtof叛l胞in洞e蛮in虎di矿ca券te改sen结d运of宣h号ea吨de晕r笼li鸭ne去sGE乔T宵/i价nd凤ex水.h透tm邻l光HT喝TP拐/1户.1杆\r提\nHo城st子:篇ww踪蝶w-领ne距t.圣cs崭.u匪ma粉ss旧.e旨du棉\r昌\nUs宁er喉-A哭ge故nt评:培Fi逮re摔fo吴x/渴3.组6.障10暮\r年\nAc过ce列pt厉:延te棒xt勺/h柱tm仅l,酷ap伙pl疑ic怒at延io钟n/胳xh消tm谣l+碎xm抬l\膊r\喂nAc膨ce烫pt膀-L炊an纯gu玩ag绣e:建e堵n-顽us肿,e赴n;破q=添0.千5\虫r\谊nAc花ce灾pt岩-E痰nc鼠od裁in日g:袄g圾zi父p,智de豆fl念at理e\搭r\剧nAc术ce振pt叹-C轰ha坚rs臂et偏:嫂IS梯O-激88拢59结-1砌,u输tf隶-8昨;q政=0疲.7单\r猫\nKe冲ep脏-A赴li放ve祝:序11桐5\挂r\尝nCo迁nn泳ec掩ti宏on桌:乱ke鼠ep感-a胁li路ve骆\r缝\n\r共\nca均rr装ia福ge旬r益et虾ur胞n遇ch吗ar威ac服te渠rli农ne疏-f耽ee感d嚷ch茫ar休ac彩te总r2:稿A袄pp絮li伙ca叶ti双on院L简ay倘er26HT钓TP显r可eq蛮ue除st漫m觉es病sa悬ge惭:卷ge康ne制ra咐l切fo残rm携at2:洪A苗pp构li救ca盒ti题on老L刻ay姓er27Up劲lo左ad狡in音g咐fo沫rm蔽i呈np期utPo岛st陪m批et挽ho俊d:We减b恼pa归ge询o辞ft漠en疮i虏nc劳lu机de赌s敌fo甚rm得i压np呈utIn痛pu胶t休is躺u抬pl雪oa犹de兆d不to据s押er务ve够r枝in藏e铺nt筋it四y肿bo摸dyUR剪L趁me炉th树od疮:Us缝es观G闹ET秀m支et订ho曾dIn役pu镰t专is正u秘pl患oa渔de纯d教in呢U讯RL磨f择ie钟ld剪o到f拿re免qu饭es肾t增li肚ne我:ww及w.越so障me耻si缩慧te涨.c禽om瘦/a剧ni砌ma酷ls仍ea酸rc我h?葵mo嫁nk很ey提s&个ba骑na拆na2:斑A对pp庄li胞ca仍ti单on领L搞ay器er28Me杆th锯od歼t党yp送esHT生TP龟/1乡丰.0GE极TPO虑STHE蚕ADas新ks倚s隶er患ve炭r序to腔l炒ea锁ve躺r案eq偶ue坏st蚂ed摩o蹦bj船ec握t祸ou搭t病of萍r袜es葱po嘱ns战eHT玩TP扶/1运.1GE务T,储P猜OS扑T,尤H珍EA辣DPU痛Tup泳lo议ad剂s抄fi嗓le滑i充n惨en蛇ti警ty次b扁od寄y忧to拦p谈at逢h悼sp系ec仪if择ie灰d翼in剪U招RL边f迫ie迁ldDE拒LE哗TEde胞le盟te差s蹈fi小le杯s由pe仇ci认fi俱ed羞i湾n底th稠e候UR部L摄fi维el宣dAp舞pl扇ic假at权io送n抄La散ye誉r2-29HT坊TP销r日es聪po阻ns例e勉me哨ss秘ag疯est任at酱us范l雕in券e(p涛ro甩to界co刮lst桌at载us揉c辈od赠est雅at趁us合p崭hr赞as何e)he还ad援erli橡ne乡丰sda策ta垄,桃e.州g.去,re创qu熔es例te臂dHT刮ML博f掏il锣eHT耐TP叫/1释.1保2筐00博O梯K\揪r\胸nDa唤te员:祸Su捎n,耽2饰6摩Se搂p熔20暑10桌2党0:龙09境:2针0鱼GM氧T\蚀r\壮nSe城rv御er鼻:泪Ap友ac楼he受/2母.0症.5槐2相(C析en参tO幸S)屈\r解\nLa炼st桃-M结od衔if若ie附d:发T拌ue甲,鸣30震O策ct片2验00吨7讲17撤:0练0:右02蝇G刷MT颠\r遭\nET缺ag政:猴"1米7d杆c6纠-a就5c闷-b赵f7覆16羡88碧0"干\r事\nAc厉ce结pt冈-R到an详ge铃s:咏b攀yt继es晨\r欺\nCo就nt钟en傲t-铜Le测ng他th旁:抄26居52井\r棚\nKe往ep床-A照li快ve驼:级ti钱me吵ou生t=刊10土,哲ma安x=丢10懒0\怠r\手nCo适nn共ec经ti抖on永:吨Ke炎ep蹄-A劳li矿ve年\r友\nCo算nt雄en奇t-李Ty汪pe趋:碗te裁xt洋/h虹tm刘l;缩慧c决ha乞rs培et历=I墓SO骡-8醒85农9-绩1\异r\面n\r砌\nda裤ta脉d缘瑞at顺a话da扶ta错d鼠at园a薪da效ta爸.赴..2:循A蒸pp称li坛ca林ti母on繁L您ay潮er30HT构TP梦r盟es桥po贵ns博e怠st榴at六us解c乔od烈es20榜0滥OKre计qu颜es黎t这su出cc昏ee偏de柿d,焰r卸eq幅ue杰st射ed前o移bj俱ec蝴t喷la牺te或r通in赛t称hi钞s痰me武ss肤ag宋e30狱1鼓Mo爱ve恒d演Pe辈rm周an身en棉tl昌yre召qu饲es粪te元d样ob第je抱ct缓m袜ov辰ed肌,色ne东w迅lo谦ca税ti育on缩慧s绘pe但ci委fi物ed垒l余at开er视i照n等th边is笑m厌es萌sa榨ge刚(饲Lo姜ca把ti何on拉:)40筒0毙Ba返d甜Re倘qu垦es肃tre教qu飘es彩t苗me浪ss馆ag朗e辩no醉t样un型de参rs房诚to题od才b小y浴se馅rv罚er40疫4位No嘉t汇Fo薯un息dre颜qu犁es发te膛d京do介cu乒me掘nt途n慰ot援f剑ou极nd差o菊n钻th装is徒s弱er您ve驶r50帮5阶HT失TP雕V催er小si瓜on浅N久ot棉S纱up锋po屑rt告edIn栋f景ir户st宫l爽in尘e延in纱s俗er秃ve洪r-县>c歌li薪en据t某re荣sp赚on蛾se烘m似es含sa址ge旅.A症fe近w脖sa你mp债le熊c桐od狸es盈:Ap喊pl锄ic伐at直io砖n昨La捷ye漏r2-31Tr懂yi突ng散o尽ut误H拨TT百P砌(c耍li签en乏t宰si锡de化)课fo确r想yo灵ur论se葛lf1.间T虾el忘ne拼t占to评y技ou犬r浙fa剃vo申ri伞te挡W滔eb扑s甘er啄ve晋r:op竭en哭s专TC胜P她co验nn业ec然ti末on雀t太o勇po轿rt谜8酒0(d酱ef颤au春lt病H絮TT浪P教se收rv们er贩p价or茂t)只a大t诱ci吐s.啦po糕ly静.e问du恒.an逮yt痕hi歇ng缘瑞t慈yp毫ed垮i石n效se兄ntto赞p染or评t沾80茎a士t饱ci长s.彻po闪ly伍.e尤dute句ln它et殖c超is握.p尚ol匙y.材ed滚u因802.钻t秤yp吗e涛in敲a盛G戚ET镰H少TT炮P修re仓qu捧es四t:GE贱T讽/~撒ro快ss先/染HT宫TP用/1懒.1Ho昏st陡:承ci昏s.失po铺ly旱.e遥duby谁t何yp次in筛g毛th毁is袋i垃n团(h臂it谊c烈ar侄ri打ag碰ere超tu务rn介t击wi姜ce学),哲y补ou泛s贱en愈dth馆is绍m环in显im我al仇(紧bu妈t投co搭mp克le晒te产)GE柏T向re饥qu病es桥t摸to足H些TT术P国se脊rv方er3.矩l集oo灿k按at虎r等es刑po伐ns户e冠me坏ss笨ag陪e租se桶nt畅b构y编HT僚TP总s酿er鉴ve截r!(o壶r馅us喂e丸Wi饱re倘sh予ar敏k佳to冈l诉oo丢k搜at睡c寸ap仔tu撕re雁d伐HT谷TP脏r保eq叼ue堆st界/r貌es著po鄙ns您e)2:晕A辣pp拍li投ca各ti厦on让L欣ay依er32Us嘱er观-s隐er笛ve批r酿st豪at叫e:爆c糖oo流ki农esMa险ny诊m怜aj酿or太W刮eb联s泊it朽es狸u缩慧se衡c落oo秋ki旨esFo渐ur邻c虏om萝po搂ne右nt图s:1)声c竹oo景ki染e或he羡ad率er是l提in谦e耻of耕H妇TT羊Pre从sp阴on腾seme剑ss角ag白e2)奔c托oo越ki汪e枪he左ad别er疮l工in完e荐in宁H乒TT兰Pre鱼qu怜es朴tme辆ss京ag掉e3)诱c滤oo束ki真e查fi座le矛k犁ep剪t蹄on扯u必se拢r’门s躬ho镇st课,遥ma钥na款ge律d冶by在u塑se尘r’持s执br锤ow稼se两r4)孝b吃ac律k-罗en泉d孕da暑ta割ba恶se寨a冷t绞We悄b葡si咱teEx忘am芳pl湿e:Su猛sa暴n调al甩wa繁ys翻a惨cc将es耽s锅In兴te里rn塞et卖a充lw凯ay炉s庄fr兴om旋P叮Cvi揪si星ts朝s币pe草ci饭fi碑c害e-泛co底mm届er迅ce烂s数it叛e熔fo红r营fi能rs更t杏ti隔mewh饭en山i齿ni肺ti领al酬H着TT岔P闹re乡丰qu酱es妖ts趟a畜rr题iv搭es慎a兄t斯si誓te尊,狗si栋te赛c隙re额at锹es然:un恐iq卸ue品I挣Den受tr洁y渡in饥b医ac饿ke魔nd炒d梯at搅ab哨as笨e荣fo弦r锄IDAp矩pl帅ic婆at翼io绪n贯La亭ye访r2-33Co幻玉ok毁ie览s:晓k朵ee童pi莫ng“st狗at秧e”(c构on率t.潮)cl慨ie贴ntse宋rv岛erusualhttpresponsemsgusualhttpresponsemsgco舱ok魂ie绿f奇il柏eon帆e缘瑞we永ek桨l等at说er决:usualhttprequestmsgcookie:1678cookie-specificactionaccessebay8734usualhttprequestmsgAmazonservercreatesID1678forusercreateentryusualhttpresponseset-cookie:1678

ebay8734amazon1678usualhttprequestmsgcookie:1678cookie-specificactionaccessebay8734amazon1678ba岔ck徒en援dda扮ta自ba焰se2:糕A虽pp既li档ca贱ti蒸on丽L缠ay批er34Co倾ok萝ie权s喘(c驱on横ti膛nu想ed电)Wh完at软c窜oo泉ki嗓es预c爆an扑b林ri启ng坚:au缝th讯or宵iz倚at夫io荷nsh捆op萌pi雷ng恩c罩ar肢tsre计co驴mm易en安da纷ti疼on岛sus缠er研s个es齐si声on朋s骂ta湿te茂(充We都b低e-林ma理il良)Co游ok互ie摇s榆an碧d尿pr辞iv结ac斑y:co勤ok持ie俘s价pe然rm劫it过s扒it恒es糠t柔o雨le冶ar茄n佩a侦lo席t雅ab然ou膏t取yo凉uyo继u堡ma悉y愤su型pp功ly塔n泰am烛e废an茶d而e-训ma滤il湿t条o揭si眯te构sas衣id贸eHo高w著to竿k盗ee彻p戏“s暴ta星te污”:pr作ot融oc宣ol异e明nd砍po溜in扰ts坚:筝ma蔑in玻ta替in茅s窜ta醋te蒸a宽t哑se涝nd赛er志/r植ec茫ei名ve矿r谦ov京er外m躲ul验ti蛛pl肃e赛tr懒an遮sa燥ct零io汤nsco景ok殃ie砖s:顽h夹tt忠p母me叛ss狂ag蛛es纤c海ar亩ry纪s污ta罚teAp缺pl钩ic疯at询io痕n伶La炕ye音r2-35We依b坡ca用ch押es摘(旁pr泻ox展y甚se区rv蔽er介)us怖er僵s吊et抛s五br碌ow态se垃r:胜W抖eb遵a纳cc轰es件se烘s路vi粘a涂c芦ac祥hebr津ow柴se贺r茶se犬nd字s生al肥l终HT适TP仁r盾eq池ue型st刘s耍to窄c难ac愁heob散je遗ct混i打n疮ca育ch处e:亡c五ac范he首r望et月ur庆ns追o赤bj漆ec距tel域se滴c爪ac摊he毅r恩eq桶ue匀st耽s浸ob蚁je击ct她f豪ro野m峡or耕ig斯in歼s肚er佣ve赌r,碌t璃he激n绝re裙tu无rn充s鉴ob京je忌ct件t斗o圆cl丘ie霉ntgo日al鸡:sa腊ti齿sf云y绑cl灵ie秃nt夹r宁eq是ue粗st导w龙it矩ho墙ut示i多nv腾ol蹈vi队ng灯o读ri理gi像n描se咬rv输ercl剖ie析ntpr剩ox久yse召rv惹ercl观ie承ntHTTPrequestHTTPresponseHTTPrequestHTTPrequestor予ig六inse颈rv违eror等ig从inse妥rv若erHTTPresponseHTTPresponse2:序A取pp园li柔ca在ti盐on胀L辣ay棋er36Mo座re蛋a两bo阴ut胸W纵eb辟c减ac麦hi芳ngca霜ch停e秋ac沃ts止a用s偿bo妹th滤c缸li汁en跪t追an束d娱se海rv发erty稿pi证ca节ll逢y牙ca家ch稳e斜is巩i剩ns箭ta帖ll祖ed土b映y淋IS患P的(u附ni碌ve可rs贼it美y,西c女om信pa冬ny外,材re价si笛de粗nt刊ia小l因IS烟P)Wh彻y别We盒b烂ca椅ch艳in谷g?re晶du需ce飞r侮es耳po尼ns再e求ti亭me腹f祥or驴c劈燕li日en臭t逃re留qu逼es学tre泪du括ce肥t龙ra胁ff的ic枣o聪n屡an织i浊ns令ti无tu垫ti捷on训’s奶a腔cc丈es蒜s杀li帝nk构.In本te依rn撇et鸽d盒en晨se鉴w坛it掩h功ca至ch乐es岩:会en纱ab和le史s务“p宋oo吧r”暑c宫on团te烟nt维p础ro王vi雪de鲜rs粪t辰o泊ef储fe鼻ct汪iv制el烦y义de拉li搏ve待r锹co妨nt割en册t计(b神ut革s饭o鼠do垮es倚P桑2P仿f屯il蝇e悉sh屿ar页in晨g)Ap谢pl裕ic决at扛io笋n眨La旺ye馋r2-37Ca症ch厌in食g刚ex葵am球pl窜e:or震ig臂inse青rv刘er摔spu嘱bl法icIn各te竖rn痒etin啊st赵it淡ut挡io送na虎lne常tw悬or赴k1恰Gb损ps泥L菊AN1.京54布M慈bp干sac第ce深ss斧l真in恩kas角su已mp女ti介on淘s:av罪g蛙ob绿je急ct期s土iz面e:仪1遮00慰K纺bi蓄tsav劈燕g首re吩qu隐es坚t己ra获te浪f恭ro能m狡br级ow冒se许rs捏t虎o颂or宣ig图in良s劝er案ve终rs拔:1万5/酒se鉴cav猜g崇da怪ta环r掏at私e冻to傅b役ro革ws王er大s:喂1变.5忙0鸡Mb毒psRT循T厨fr光om优i虎ns滨ti锅tu淹ti氏on需al祥r猫ou展te萄r雷to稼a必ny蚕o丘ri浙gi始n拌se挪rv指er利:恒2私se激cac劳ce狡ss卷l答in响k稿ra驻te推:旅1.活54怨M碌bp圆sco钞ns升eq须ue乞nc棵es幻玉:LA读N昨ut然il移iz认at绢io骨n:轿1错5%ac眠ce腹ss目l接in温k满ut扇il丸iz拒at雁io樱n礼=99板%to孔ta刚l兵de坡la愚y着=栋In这te毅rn驰et档d居el欣ay陷+蚕a陕cc溪es别s谅de赔la帽y帅+通LA毁N揪de蹦la尤y=姿2磁s票ec维+炊m障in帜ut场es浙+嗓u裹se断cspr突ob懂le劲m!Ap势pl丑ic廊at尝io皆n爬La摇ye摩r2-38as卡su换mp庙ti靠on朗s:av舰g抢ob摇je信ct珠s钉iz胡e:普1陆00炎K固bi掏tsav鸣g锋re骗qu捡es凡t劣ra盆te港f陡ro沾m次br各ow惕se叙rs被t其o测or躲ig书in肿s筹er夺ve脊rs编:1锹5/鹿se台cav跃g延da确ta疏r参at免e拣to犁b亚ro础ws播er夜s:出1间.5禽0丽Mb俘psRT准T球fr件om眉i煤ns得ti限tu好ti漠on番al陆r丹ou漏te闯r杨to呆a击ny箱o销ri耀gi嫂n窃se炭rv加er段:抗2塘se欠cac厉ce禾ss魂l购in芦k恢ra刷te甲:便1.亦54夜M遇bp本sco怎ns古eq晌ue灯nc聋es皮:LA床N苹ut拒il怒iz愚at药io疗n:美1冤5%ac护ce龄ss疤l欣in财k悦ut欠il伤iz搞at凶io纷n呀=99圆%to吉ta列l清de效la激y级=树In肺te呼rn驾et肺d远el赛ay莲+喂a辆cc糕es品s迅de铸la幸y修+娇LA阵N扭de导la广y=隔2唐s族ec剩+览m创in骨ut似es评+煤u底se敏csCa步ch彻in驾g样ex吹am灭pl装e:fa搂tt代er寨a担cc鞭es沟s磨li旗nkor可ig轮inse扯rv提er婆s1.削54匀M双bp雪sac奶ce慨ss妻l巩in露k15挠4文Mb挥ps15谊4区Mb辜psms票ec掏sCo掘st居:in灶cr陈ea度se罗d叫ac房诚ce效ss京l城in钢k棵sp者ee穿d山(n置ot稻c缘瑞he卵ap康!)9.宫9%pu野bl曾icIn蛙te宾rn寻etin免st笔it润ut饰io竞na财lne鸦tw余or充k1趋Gb抚ps调L毕ANin遇st愿it与ut春io冷na寸lne致tw恢or洲k1膛Gb慰ps斑L密ANAp搂pl角ic伯at肺io怒n蹄La勿ye案r2-39Ca弊ch闪in鞭g指ex况am炮pl束e:in些st制al乳l篮lo辱ca撑l久ca劣ch痒eor活ig乐inse针rv室er付s1.绿54吐M尺bp虾sac瓜ce唯ss补l疤in锡klocalwebcacheas烫su两mp浸ti坊on梯s:av肠g咽ob驰je贴ct爬s卡iz茶e:描1催00茫K

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论