現(xiàn)代通信網(wǎng)絡(luò)測量課程實驗報告實驗二端口吞吐量測試第4班第7組2020年10月11日指導(dǎo)教師評語:指導(dǎo)教師:實驗報告內(nèi)容基本要求及參考格式一、實驗?zāi)康亩?、實驗所用儀器（或?qū)嶒灜h(huán)境）三、實驗基本原理及步驟（或方案設(shè)計及理論計算）四、實驗數(shù)據(jù)記錄（或仿真及軟件設(shè)計）五、實驗結(jié)果分析及回答問題（或測試環(huán)境及測試結(jié)果）一、實驗?zāi)康牧私夂驼莆胀掏铝扛拍罴皽y試原理；了解和學(xué)會使用renix軟件測量吞吐量，并將誤差控制在1%以內(nèi);掌握測試和探索不同因素對端口吞吐量（不同單位下）的影響理解端口吞吐量與數(shù)據(jù)包長度，接口類型的關(guān)系。二、實驗所用儀器及實驗環(huán)境華為S5720三層交換機，renix軟件，測量儀器。三、實驗基本原理及步驟基本測量方法如下圖所示：DUT網(wǎng)線測試儀器DUT網(wǎng)線測試儀器本實驗基于RFC2544協(xié)議文件測量端口轉(zhuǎn)發(fā)時延，對時延的定義如下圖所示：Throughout：Procedure:SendaspecificnumberofframeaataspecificratethroughtheDUTandthencountLheframesLhatarerransmit.tedbytheDUT.Ifthecountofofferedframesisequaltothecountofreceivedframes；thefewerframeaarereceivedthanweretransmitted,therateoftheofferedstreamisreducedandtheLestisrerun.通過renix軟件配置數(shù)據(jù)幀，我們可以配置的變量有：數(shù)據(jù)包長度、接口類型。在不同的接口類型下分別測試，測試方法是通過不斷減小負載直至不丟包，得到在在不丟包情況下的最大傳輸速率，即吞吐量根據(jù)RFC2544，根據(jù)接口類型有不同的數(shù)據(jù)包長度可供選擇。在本實驗中，以太網(wǎng)接口和ipv4接口的數(shù)據(jù)包的長度有如下選擇:64,128,256,512,1024,1280,1518（字節(jié)）。本實驗的重點為“如何將誤差控制在1%以內(nèi)”，方法如下：當(dāng)負載減小到無丟包時，根據(jù)已知數(shù)據(jù)可以判斷實際吞吐量的大致范圍，并根據(jù)實際吞吐量的范圍，確定出誤差在1%時的波動范圍。因此，當(dāng)有丟包和無丟包對應(yīng)的負載差值小于波動范圍時，既可確定在該情況下得到的吞吐量的誤差小于1%。四、實驗數(shù)據(jù)記錄（一）ipv4測量結(jié)果一測試數(shù)據(jù)包長度對轉(zhuǎn)發(fā)時延的影響數(shù)據(jù)表長度分別取值如下（單位：字節(jié)）：64128256512102412801518（其余參數(shù)：時戳位置：HeadHead）64胃口璃訐匚％蛀晚EWO^?Wd莒煩g?i2)yiNPlort^TContinueitsBaseOnP_S9.4*e2牌MaErrorNO-AiHbkIAihfeidB0CohliMl^Bfl&eOnP.-IkyNO短HbTAthUd00隊爵型dme:19Q"郵-：-128.:■.:負載69.4%時，不丟包It□君斥更心■口MMJ3i*a￡SKMt瞄11而皿1皿》^^1■&械可?偵■的3〔01偵Pott7C-DSliFUjDLKBiaxOnP_TONoEfiorW血阮邊AtHiud-D4*PECoHlllUDLK-SBseg■TO沛mxneghftEinXItt山心AtHeld04勤MHtlllIS67Prarahrw^岫岫movmmaMn，趴攜0GTIM顧盅D￥。負載70%時，丟包128RDW|?C?fe■□MJ岫gwW?iV!5g7gGHIWE髀皿fatjContinuousBaseOnP_@AFwcei!罔HdEjidtNDAliHud址頓00中PftrtJCohflirn^白a#Chip」IcnjenU%Ho-tirbrHbAtHeid*AthfeKl60&Kfb>vLJKtfiCrMJlHi期爵?枷每幕炒m簌CH皿％岫WgKQ岫虬MWttftie*S^KWinT-1F杰鋼9ff*041C負載69.4%時，不丟包■口空村SyiMtfejJTEJMkfl的JJEtl初日*|￡>心5HETEEiNtiMlPent7CDlliFUjDLKBaseOnP_.70Pe-centCXJHuEnorKOAfHwlAtMudD*Cofijnuoix血（加*一sjPramf%aiNo-EirorMOM2dAt片玷04ihucEwLiMner頊Mil^ase心XB￡K7Gsi5"=NhfflCABttCWPinrPffqllosqgMUVMWMUiiv*toffllir-,1my4泓凈9G71涵避盅P0負載70%，丟包256■DIB電**BFMar*fcBnWin瞻早y羅第二％:案r/is?RBm埋.rE】FmPm'CMjhqueRa?OnP_70Farent^QNuEnBrK)jU;hudAtHeMQ0■PM』CfirifliMuftRmOiiP??0lit瑚IpUItebfM'MDMlUMdAIHmI,0BIl收&fpLNi^AMIflriiftfisftH0xsim弟wl^aKsswis^btaEsn^iPitsssqtsawM^i<^asive^ai>??snkfkwahiiirtomTt-:WF普也由礎(chǔ)2B0寸0G。&0KIS^■OMS^tiW蚩醫(yī)打山-■EEUyi?M'■Cl■■301USBaseOnF_JQjOFercfnri*hlo-Eira-NdAtAtmq.0prfjCo?JSiru^U5SasEOnP\虹wnl網(wǎng)itHatd0Q日并此IEjtmIWtiXVAr^dJrtlff：^SID口璉*G?？诨蜻m應(yīng)案喳妝陸由我逞18交速憲〔啊）jEsifie?賓町丟付成遂）mStnro^Fe-Jyt就沖a?珈詢折.酒aose負載70.6%,丟包512R1MSI附部1財g*.%gliifg幕EH邨沏PF§|形購跑El"Part」CMtiriU&LKEauGnP_7DP甘renl匡1NnEnDTNO址HudAtHud00*PrrtJ(■MinucHEBnwOnP為，g*國HtiEjtctNOM限《fAtW0fl麗nItwURmqfMiniTiAS^X?2有SfiHBI3Wg呻網(wǎng)E虧皿用驅(qū)J!F”lgrlKN質(zhì)輪型皿fM￡WSCPWfl^tPSfmah-Jfed.!2UMM4*.-曲心■0fl負載70%,不丟包auswy直攵血*s■匚塹位SSjEU日*土!■姑mmszt怔通irmKiim.St司Sl，f的U￡STI￡libormi)PdrtjContinuausBoc?DnP_TQAP?rc?nfrCSfI4a:EhdfgAl^uc￡魅HudQap^i_i■CvnAirwvu^Bck?nPmsI1triad.JWJl'4uErr&i412d411Herd4。I&WjUiiftqrMJiniw球wxaX蹄§EiSfig.蚯和影蛔例CT￡SSEfrtt至、可構(gòu)曲d&nr￥m她*ime禎客It時葉湖E■AmnL.1Aat?煩J相《S占i齊U浪媯蝴叫D丘J*Z1負載70.6%,丟包1024?口@^?口@^?1直象啾si.口學(xué)?KisiUiGi讖丈演??0rt7Conihue?ihEa?OnP_70j6Po-CEnt(l^HgError*sCxt_Brmsmuc?EaseOnk.；PeE0〕NoEfrOr鈣打三找啊矽”I仰HfijrnsarvhtiNOAtHudAtkipfeiDDNO^HudiAE^eri0Dfew應(yīng)Ulr^fArilKWSADMACsrSKSP■WJiE互新立茹十。HJKiB掃3WfiE?erfi'SJfVHWPi^WI^rlfiraa菱必口5「Emd8R；松『乍柚A自I>Sswm*32*m邱渦忒M碰'瑋甘p0t6負載70.6%，不丟包M□箱.■口位心位JSXiftttsw^wtkz貨曲《?1攵11siyiittz—rN!a^^G?r^i<mPort,?C-mlinu^LnBkiacOnP_71JP!皿Ha&nxgAlHk?lA:H?dB0RC<nyin?^nijn.wfinP?l.i!酒政Jhl^i(n^H1^0AjjJ&EMfMhlQ0Bluet*FLMIfi^J?ADX至日口E^aZ憧尊誑療W!fi7EiT芝中吁*『Fni*將*7妊七'WFFtiOWP^kKdEv：rl97B祖SubTEirEfi安BiJbn3fTc_1fMlJ首器5#Oda1280負載71.3%,丟包MCSWAttHO..SitJCjSSHQ羿■源般53i^TEBC??^aa)Hkl扯送颯WK網(wǎng)MEElMlm)PortJCDMinUCLKEas?■SnF_jQmP?En￡；^HdEitch-IMCAi件如mM?￡dD日*Frtt.flCchilrniouf6h?OrtP^_時jfi^wtehtfS^KI&EjTEHOMlfed虹kfeid0BflyctwlJCIf￥jfAMMHfTaa&fr殖。職布rffSE3TJS75由取3is做.福有以車頓爵才即司邪自叱無而利鄲鈕5匚心?11甲抒FTT.S.ivvtj阿■?i&fsf?睥冠estPin6vai?

X口喜酎■口0iE■煌BvfitjV4JHR1'^tST,^IHEWrirr：MK<SB苛證中林幸kr企玷Port?C-cniwinuainSar<OnF_7LJj^sKnorri:iJW)bio-ErrorNOAtHudAlkfaddBflCoiifeir^HSiiJt白OrttTt-3^avr-vfiEAErwNO恒?idAmid60^IIKLmri^*ndterH磋口心啡郵#rSfliSWF.邛］細3口rff姓、USPirfcMdiSwzifttjS虹如蛔件5|郵±常I阮jl45PM。用JM?SF0料￡U3U5T0CP負載71.3%,丟包1518踵口霞霹H口由?0住，■怛EZMSBSltfTKF佩卻崖3fenst^-：ffiaig7i￡iH?L網(wǎng)PESrtJConfinuousSas^CinP—T0￡?flrcEni^G]lHaEnnrNOAiH^adlAthttd◎PrtJCchfinuDiBBbmChP.rotHfl-EmrNOAlHaSdAthud09BtikliWLMiiWyAM.14**1H時A1JDWHwXfSHH而E3tS"SB加事*3?加：M班的EETN醉PglXiii烈IUgwfiKSJS1神PHWig計B?E*舛]5?,HPDaDDD負載70.6%，不丟包揖口茗麻??j：ft*?S■口MIlDftMUn做她麗fk芝HESS枷1眠習(xí)簌*十:g指購曲皿IMPart]ConiinuDusBas?OnP_J1JNqErrorNOAEM?“AtHudD0oe_jContinuousBaseOnP7U^cT-enl0WIhkiEjfgtWAfeHbmIAtKe*dC0SiuctwLfiifti^rAhdMw5口iwtac“"TH1鼻牌（藝耽直制值：?!叔4AV2?￡lpiarnn的毛X粗際hhuWMJ皓般R烈深g1jbwrTiL1fat?feLfl0；整14DS757MS9529心。dfl負載71.3%,丟包結(jié)果分析：幀長/字節(jié)有丟包無丟包6470.6%70.0%12870.0%69.4%25670.6%70.0%51270.6%70.0%102471.3%70.6%128071.3%70.6%151871.3%70.6%為更直觀顯示表中數(shù)據(jù)，繪圖如下:71.50%71.00%70.50%載70.00%負69.50%69.00%68.50%68.00%Ipv471.30%71.30%71.50%71.00%70.50%載70.00%負69.50%69.00%68.50%68.00%Ipv471.30%71.30%71.30%由圖知，幀長度為64、128、256、512、1024、1280、1518字節(jié)的數(shù)據(jù)流的吞吐量（bps）相等，即吞吐量（bps）不隨幀長的增加而變化。但若吞吐量的單位為fps時，吞吐量（fps）隨著幀長的增加而減小。（二）以太網(wǎng)測量結(jié)果一端口轉(zhuǎn)發(fā)延遲的大小與數(shù)據(jù)包長度的關(guān)系數(shù)據(jù)包長度（字節(jié)）不同：64128256512102412801518（其余參數(shù)：時戳位置：HeadHead）64fiissa囂毒發(fā)制懦1濕■SAfllWS岬跚物珥漩明P-70NqEjtqfKiAtHud^H?l0U,P&rt_2匚洲inwisaawClnP.100JGPeirat㈤NuErrnrNOAlHeidMKud0D晰記1tlri>r[Mfr位為問Jrl|frStiSSO網(wǎng)旬口宸送獨M顯財齡癥謹挹京速史休!時敬瑚立速座1：也匚1買時丟包基真BT食更〔擔(dān)負載70%時，不丟包把□君存漸噂；efisfea村口金歧承口魚蠣單位EBttf閣峙拒我毒蛭時買膿ai染如垣僦〔荷PortJCortinuausBaseOnP_70JPercenl(%jM^EitofmAttkadMHe*d01PffltJCarfinuousSateOnP_10010Pefunl[尚ISbErrorNOAtHudAtHead01Il"[tror[牌fr電Jk聞網(wǎng)5*旭命仙1。敏知BflHC無窒舶燙迪技庭HpHme禎戚町知更供）*StnrmT*-J如心阪齡GL國御J.w.w知珈負載70.7%，丟包128aces陶ei飄fissaRDftftWE列劇或駛志JS^HEBECflaUMTJKGB歸ism的PntjlBminiKi盅9j?OhP_JOPtrani(%)NdEftofKJAtHudAtHefed0DiPdtUCaniinirom：9jmOnP100JQ時或(%}No-ErrorNOAtHud0flEmMEiiriJrAndJilltr血6名稱題ID敖送M匚wso3iSJfl3aS此就Ml啊捶岫支速室加Ui町雄E真町家s逑巳J別.m別.加g0gB70g『mmG^TJO.4p4‘I□CcrfinuoLKSjmiOnP__I1000PmungJ?□K期hbErrorINQ崢民!MtoOV寫1S夠5i<<sx5L*□4管■U仍W濘蝶7。?7乎州臼256■1B*fic1IbrOr(MtfKy-AndJhftr■o§：■+1有fl&5粉1gi.!1mSf§ffNE>IE整s就9+O0■±5aC±1gB70乎mmG^P□.4cp.4->-■w□uafta魚□'c0&1goJ□Sf>罪K3&Error5Zog!s[oC3i□?□1p曹1濘蝶7。?7乎州臼512P□.4CCa魚□'C0&PcdnlCoriinuoLKBateOnP—wS1wI至51□titI3I■jBmc記Efr村lM<txy禺偵Jilltrp￡芝§iiOJ□K耕si7§MNdErrorHOAtHeadAtHud§587o朦K蕾mImrs§foC3@aOIe±oBmicEirw菊5lMtn(yAMJHltfi□胃1□I店曹I2濘蝶7。?7乎州臼102451&胃皂wri的蒲I守li§N苦rai蕓m目§s置fitIAfaab9lu3I?坦￡?F■c§g呈pa1U聲1*s彗La□EaWIloaoPcrum〔尚j3H□隔K!由hbErrorIZ凸i1iI1co!Iaf-B>fic￡?i*MLMtncyAndJiUtrgI警5!§SBu11T3&§1.SjseOnP.§1igM十Is!Ift+1aoC±3128。IjrtwL^fn-iAiJa-嘲陣留口BEalLJgB70乎mmG^pIr-jigr=ia土□EoIloaoPcrum〔成JN□KE13Iz凸1siI1oolI3ws.c-ea富號定And』m「i-ip1B--anlrmTr』SI1a富0u=皂i1§若?Hjaa1518CDJjT310l#tncyAMJrflfrII普□￡?3S1ID言13gB70乎mmG^pI其ig奇na□E0岳I§o甘Lj□i茜