Kev sib nrauj ntawm txuas mus rau hauv Internet: dab tsi mac-chaw nyob ntawm lub router thiab ib tug xauj kab

Lub Internet hnub no yog tsis muaj lawm ib tug nplua nuj los yog ib yam dab tsi txawv txawv thiab xav tsis thoob. Nws yog ib qho txhua hnub lub cuab tam rau kev ua hauj lwm thiab leisure, kev sib txuas lus thiab cov ntaub ntawv sib koom. Qhov no yog vim li cas ntau cov neeg siv nyob rau tib lub sij hawm los yog sai tom qab nrhiav tau ntawm cov thawj computers mus txuas rau lub "World Wide Web." Nyob rau tib lub ob peb tus neeg xav txog qhov kev twb kev txuas txoj kev nws tus kheej. Thiab txawm muaj neeg tsawg tsawg xyuam xim rau cov kev sib nrauj ntawm lub chaw ua hauj lwm ntawm ib tug kws kho mob. Nyob rau tib lub sij hawm nws yog tsim nyog los nkag siab txog cov hauv paus ntsiab lus ntawm networking thiab paub dab tsi lub mac-chaw nyob, LAN, router, hloov, thiab lwm yam "Yog vim li cas?" - nug ib tug tag txawj nyeem ntawv uas xav xwb shares thiab nqi sib txawv ntawm cov chaw muab kev pab. Nws yog yooj yim! Paub txog network technology xwb - ib tug guarantee ntawm xaiv ib txhim khu kev qha cov kev pab zov me nyuam, uas txhais tau tias cov neeg yuav yuav tshwm sim tsawg ua rau kev tsis txaus siab nyob rau hauv Internet kev twb kev txuas thiab hu nrog kev them nyiaj yug.

Thaum xaiv ib tug kws kho mob, koj yuav tsum tau them nyiaj mloog feem nyob rau hauv hom kev twb kev txuas uas yog siv los muab kev nkag tau mus rau lawv nyob rau hauv "virtual chaw". Cov ntau heev thiab siv hom kev sib txuas: ntawm xov tooj kab (ADSL technology), xauj kab (los yog ib tug plaub-vosmizhilnaya cov khub) cable TV (cable TV). Feem ntau cov high-ceev kev twb kev txuas rau hauv Internet thiab muab ib tug txhim khu kev qha teeb liab Siab kab - nws yog siv los ntawm feem ntau niaj hnub muab kev pab. Lwm yam txoj kev connectivity yog unreliable thiab khiav lag luam ntawm tsawg speeds.

Ua ntej koj yuav to taub li cas cov mac-chaw nyob, yog tsim nyog hmoog mus rau lwm tseem ceeb parameter. Nws yog ib qho tseem ceeb los mus txiav txim yuav ua li cas muaj ntau yam computers nyob rau hauv nej lub tsev yuav kev cob cog rua rau tib lub network link. Yog hais tias koj xa mus rau lub network nyob rau tib lub sij hawm, ob peb lub computers, koj yuav tsum xav txog kev yuav khoom ib tug router (router). Ntawm cov hoob kawm, muaj ib qho kev xaiv uas cov kev twb kev txuas yog tsim los ntawm ib tug computer (hu ua ib tug central, neeg rau zaub mov), tab sis nyob rau hauv qhov teeb meem no, yog li cov computer yuav tsum tau muab rau thaum twg lub internet mus tsawg kawg yog ib tug neeg (txawm nyob rau lwm lub computer). Qhov no txoj kev ntawm kev tsim ib lub tsev network rau feem ntau cov neeg yog phim rau ntau yam (ib tug loj tus naj npawb ntawm nyob ntawm tej, tus nqi hluav taws xob, qhov chaw ua hauj lwm computer), thiab yog li ntawd qhov zoo tshaj plaws txoj kev uas yuav ua hauj lwm nyob rau hauv lub network rau ntau cov neeg - ib tug router. Lub router yuav tsum tau xaiv raws li lub tswv yim pom zoo ntawm tus kws kho mob, txij li thaum txhua network vim muaj ib co kev nta guaranteed mus ua hauj lwm xwb tej ntaus ntawv cov ntaub ntawv ua qauv.

Rau cov neeg uas npaj yuav mus siv ib tug internet kev twb kev txuas qho rau tib lub computer, nyob rau lwm yam, nws tseem ceeb heev kom to taub li cas cov mac-chaw nyob. Qhov kev paub ntawm cov tswvyim no yuav tsis raug ntau yam teeb meem txuam nrog rau kev ua hauj lwm nyob rau hauv lub network. Mac-qhov chaw nyob - ib tug tshwj xeeb code ntawm cov network card, uas tso cai rau cov kis ntawm cov packets ntawm cov ntaub ntawv los ntawm hauv Internet yog lub computer.

Muaj kev nyab xeeb, ib co chaw muab kev pab ua losis tswvyim dabtsi network txuas mus rau lub computer nws yog nyob rau qhov chaw nyob no, thiab nyob rau hauv tej lub sijhawm, cov kev twb kev txuas nrog lub thib ob computer mus rau lub "World Wide Web" yog tsis tau tsis muaj ib tug hu rau kev them nyiaj yug thiab hloov tam sim no qhov chaw nyob. Rau ntawm no theem, cov neeg siv feem ntau muaj cov lus nug: «mac-chaw nyob ... Yuav ua li cas yog nws? Yuav ua li cas kom nws tib yam thiab tib yam, thiab nyob rau hauv ob lub computer? "Ntawm cov hoob kawm, tus creation ntawm ib tug tib network chaw nyob yuav, tiam sis feem ntau txoj kev ua no yog tom qab muaj feem xyuam rau cov tsos ntawm ib tug loj tus naj npawb ntawm uas tsis. Yog li ntawd nws yog zoo dua tseem yuav tsim ib tug internet kev twb kev txuas mus nrhiav tau tawm yog dab tsi mac-chaw nyob thiab kos nrog koj tus kws khomob raws li tau losis tswvyim dabtsi pab kiag li lawm mus rau lub network. Yog hais tias koj siv mac-chaw nyob mus txuas xyuas hauv computer kom lub network txhim khu kev qha txoj kev uas yuav nkag tau rau hauv Internet los ntawm ntau yam computers yuav tsuas siv lub router.