Computers, Ntaub ntawv technology
Ping - yog dab tsi? Ping nqi hluav taws xob. Ping neeg rau zaub mov
Niaj hnub no yog tsis muaj surprise hais tias tus Internet - ib tug tseem ceeb heev ib feem ntawm lub neej txhua hnub. Txawm tsis ntev los no kev txiav txim siab ntawm peb tsoom fwv pom zoo hais tias tsoom fwv pom tau hais qhov yuav tsum tau rau qhov no txhais tau tias kev sib txuas lus, tawm tswv yim nyob rau hauv lub xyoo tom ntej los xyuas kom meej ib tug txhim khu kev qha kev twb kev txuas yuav luag tag nrho cov koom nyob rau hauv lub teb chaws.
Peb yuav tsuas vam tias tag nrho cov kev pab them nqi yuav muab los siv, raws li cov uas tsis muaj lub cev kev sib txuas lus channel muaj ib tug phem ntxim rau cov infrastructure ntawm tej thaj chaw deb settlements. Xyuas qhov zoo tshaj ntawm kev sib txuas lus rau tej yam kev kho mob txhua txhua ntau dua los yog tsawg txog tej neeg, vim hais tias ntawm no qhov zoo tshaj yog nyob ntawm cov kev kab ntsab thiab ceev ntawm zoo siv tag nrho cov niaj hnub khiav hauj lwm systems yog tag nrho ua hauj lwm tsis muaj cov kev Internet tsuas tsis tau.
Ib tug neeg siv los qhia hais tias tus zoo tshaj ntawm cov channel them peb-tog hlauv taws xob, tiam sis feem ntau cov neeg siv nrog kev nyiam siv Ping. Yuav ua li cas yog nws, los ntawm txoj kev?
General tswv yim
Doping nyob rau hauv kev voj voog no yog hu ua cov lus teb lub sij hawm ntawm tej thaj chaw deb computer los yog qhov chaw. Cias muab, qhov no yog lub sij hawm thaum lub sij hawm uas lub teeb liab los ntawm koj lub computer lub sij hawm mus rau tej thaj chaw deb tshuab. Tsawg tshaj li qhov no daim duab, tus yam ntxwv ntawm lub network zoo dua.
Tseem Ceeb!
Txawm li cas los, tsis yog txhua txhua txoj kev txuas mus rau lub internet, qhov no txhais yog kiag li ncaj ncees. Tej zaum koj yuav paub txog lub bidirectional (asynchronous) satellite channel nkag tau mus rau lub ntiaj teb dav Web. Thaum uas siv cov nws, koj muaj nyob rau hauv txhua txoj kev thiab nyob rau hauv txhua yam tsis tau tiag tiag me me Ping. Ua li cas nws txhais li cas? Tag nrho cov teeb meem nyob rau hauv cov yam ntxwv ntawm cov channel.
Thaum uas siv cov nws, koj lub computer yuav xub xa ib tsab ntawv thov ntawm terrestrial kev sib txuas lus channel (USB-modem, Dial UP), thiab ib cov ntaub ntawv tswv yim kwj yuav mus los ntawm ib tug satellite link. Ntawm cov hoob kawm, hais tias txawm nrog haum ncaj ncees kev kawm terrestrial kev sib txuas lus yuav yog ib lub sij hawm ntev kom txog thaum lub Pib ntsais koj teeb tau txais thiab xa mus.
Nyob rau hauv lub ping?
Qhov tseeb hais tias yuav siv tsis tau thaum sib txuas lus real-time ntaub ntawv rau koj interlocutor yuav tsum tuaj instantly, raws li cov technology pre-tsis (rau pom tseeb yog vim li cas). Yog li ntawd Ping Test ua ntej mus rau lub real-time rooj sab laj yuav tsum yuav tsum tau.
Yog hais tias lub ping yog ntau dua los yog tsawg li qub, tab sis tseem tsis mus txog rau lub zoo, nws yog ib qho yooj yim mus saib, txawm tias thaum siv pa suab kis tau tus mob channel: lub suab yuav "daig nplaig", "croak", yog hais tias tsis puav ploj.
Yuav ua li cas tseem ceeb rau Ping?
Lub magnitude ntawm cov nqi no yog nyob ntawm ntau yam tseem ceeb uas yuav tsum nco ntsoov yuav coj mus rau hauv tus account. Nyob rau hauv tej rooj plaub, koj muaj peev xwm txawm txo cov ping. Ua li cas nws txhais li cas? Qhov tseeb yog hais tias tej zaum nws yog ua tau los mus tshem tawm cov yog vim li cas vim hais tias cov neeg uas lub teb lub sij hawm tsub kom dramatically.
Yog li ntawd, nyob rau hauv tus neeg siv lub computer latency (Ping lub qhov rais). Ua ntej, lub suab los ntawm cov microphone mus rau lub suab card (los yog ua-nyob rau hauv discrete, tshwj xeeb tshaj yog tsis muaj qhov sib txawv), thiab lub webcam duab kis ntawm USB-chaw nres nkoj. Tuav feem ntau ntawm cov ntaub ntawv yog lub luag hauj lwm rau hauv lub CPU ntawm koj lub computer. Yog hais tias lub CPU moos ceev rau koj ntaus ntawv yog tsis heev loj, thiab tus nqi ntawm RAM thiab tsis ua tshwj xeeb delight, teeb meem loj tej zaum yuav tshwm sim nrog ping.
Yog li ntawd, tham nrog ib tug phooj ywg nyob rau lub "Skype" thiab siv cov muaj hwj huam lub tshuab nyob rau tib lub sij hawm tsis txhob mus qhib ib tug loj tus naj npawb ntawm dialog thawv. Nyob rau hauv tas li ntawd, lub sij hawm no, koj yuav tsum caiv txhob saib Flash-yeeb yaj duab, txij li thaum nws tiag tshooj muaj hwj huam processors rau qub computers.
mob ping neeg rau zaub mov
Tej yam uas yuav paub nyob rau hauv cov ntaub ntawv no? Enormous lub luag hauj lwm ua si los ntawm qhov kev ncua nyob rau hauv lub servers ntawm cov kev pab cuam muab kev pab (Ping-neeg rau zaub mov) los ntawm uas koj yuav nkag tau mus rau hauv Internet. Tom qab tag nrho, lub tuam txhab neeg rau zaub mov txuas tus neeg siv lub computer nrog lub ntiaj teb no web. Thov tsum paub hais tias lub Internet cov ntaub ntawv kis tau tus mob yog ua los ntawm me me "snippets" ntawm cov ntaub ntawv, uas yog tseem hu ua packets.
Yog hais tias lub load rau ntawm cov ISP lub servers yog cov tsis tshua siab, thiab lawv siv cov khoom yog qub, cov kev ntawm cov packets queued. Nyob rau hauv cov ntaub ntawv no, koj tsis tau tus li qub Ping. Qhov no txhais li cas rau tus neeg siv? Tib yam li nyob rau hauv cov ntaub ntawv ntawm satellite internet: koj yuav xyuam xim tsis nco qab txog ntau sib tham sib kev pab.
teeb liab kis tau tus mob kab
Tus kws kho mob hloov kom loj lub cev kab, rau cov uas nws yog nyob rau high school ceev. Feem ntau, tus kho qhov muag fiber yog siv, tus nqi ntawm packets uas yog sib npaug zos rau cov kev ceev ntawm lub teeb, tab sis tsawg dua li cov tshaj tawm los ntawm lub teeb nyob rau hauv vacuo. Txawm li cas los, nws yuav tsum tau nco ntsoov tias twb nyob rau hauv lub teeb liab txoj kev yog heev heev converters thiab amplifiers, uas yog cov tsis tshua complex system. Ntawm cov hoob kawm, tag nrho cov no kuj ua rau yus mus rau ib qho kev nce rau hauv ncua sij hawm lub sij hawm. Nyob rau hauv no scenario, lub Ping-network latency.
Qhov kawg cov lus neeg rau zaub mov
Muaj xws li ib tug ntev thiab nyuaj txoj kev, lub teeb liab yog thaum kawg ua thiab xa rov qab mus rau tus neeg siv lub computer.
Ceeb toom! Nws yog tau hais tias nws yuav rov qab mus rau ib tug txawv kiag li txoj kev. Oddly txaus, tab sis tej zaum ib lub teeb liab ntawm Moscow tus yooj yim pov los ntawm ib co ntawm Angola, koj muaj peev xwm siv ntau laus lub cev kab thiab lub zos cov kev pab zov me nyuam. Nyob rau hauv cov ntaub ntawv no, ib tug ho qis ping.
"Ping" nqi hluav taws xob
Raws li peb twb hais nyob rau hauv lub heev thawj ib feem ntawm qhov tsab xov xwm, koj yuav tau ntsuas tus nqi siv lub built-in qhov rais Ping nqi hluav taws xob system. Khiav nws yog heev yooj yim. Ua ntej, nias rau sab laug nas khawm ntawm lub "Start" khawm, nyem rau ntawm qhov khoom "Tag nrho cov kev pab cuam", ces muaj yog "Standard". "Kom ua txhob" muaj nqi hluav taws xob nyob rau hauv lub xeem ntawv tais ceev tseg.
Nyob rau hauv nws lub qhov rais, ntaus cov lo lus ping, muab tso rau ib qhov chaw, thiab ces sau rau qhov chaw nyob ntawm qhov chaw. Koj muaj peev xwm ces nias rau ntawm sau. Utility yuav xa cov xov tooj ntawm packets qhia qhov feem pua losses thiab ntsuas lub teeb liab ncua sij hawm.
Raws li koj tau pom, Ping nqi hluav taws xob yog heev tuav thiab tus neeg siv-phooj ywg lub cuab tam.
Qhov teeb meem no nrog ping peb thiab nyob rau hauv lub ntiaj teb no
Nyob rau hauv peb lub teb chaws, kom txog thaum tsis ntev los no qhov teeb meem no nrog qhov kev ncua ntawm lub teeb liab yog tu siab heev. Raws li rau txawv teb chaws thiab domestic cov kws txawj, nyob rau thaum xaus ntawm lub 90s thoob plaws hauv lub qub CIS ping nqi yog hais txog 200-300 ms nyob rau hauv qhov zoo tshaj plaws cov ntaub ntawv, thaum mob ntev tau muab ncua sij hawm nyob rau hauv lub US thiab cov teb chaws Europe txog 20-30 ms.
Niaj hnub no xibtes confidently tuas rau Nyiajpoom Teb. Muaj peev xwm txawm xws li cov neeg siv kom muab internet nrog gigabit ceev, lub zos chaw muab kev pab muaj ping tsis muaj ntau tshaj li 2-3 ms. Peb kuj tau zoo tuaj qhov teeb meem no: txawm lub infamous "Rostelecom" muab siv Internet nrog rau ncua sij hawm ntawm tsis muaj ntau tshaj li 15-20 ms, uas nyob rau hauv lub xyoo dhau los yog tsis yooj yim sua xav.
Raws li rau lub zos nyob sib ze lub teb chaws, muaj Ping Test qhia lub teeb liab zoo nyob rau theem ntawm 50-60 ms, uas yog zoo nkauj nruab nrab.
tshawb pom
Yog li, qeeb nyob rau hauv xa thiab tau txais ib lub teeb liab thiab yuav nco ntsoov yuav tsum tau, txij li thaum lawv nyob ntawm seb ntawm ntau yam, uas muaj me ntsis cawv rau txhua lwm yam. Nyob rau hauv koj lub hwj chim rau optimize cov "hardware" ntawm koj lub computer thiab xaiv qhov zoo tshaj plaws muab kev pab (yog hais tias xws li ib tug tau).
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