Piv rau kev ua tau zoo ntawm cov kev pabcuam hauv "cable", DSL tau muaj keeb kwm qeeb qeeb. Txawm li cas los xij, tus lej ntawm DSL Internet yog nce raws li kev siv technology zoo dua thiab cov neeg muab kev pabcuam ntxiv rau lawv cov kev sib txuas network. DSL qhov tseeb koj yuav txaus siab rau nws txawv nyob ntawm ntau yam. Yuav sai npaum li cas, ces, yog DSL?
Cov neeg muab kev pabcuam tshaj tawm txog DSL qhov kev tshaj tawm ntawm cov qhab-nees bandwidth . Bandwidth cov xov xwm tshaj tawm rau DSL cov kev pab muaj nyob ntawm 128 Kbps rau 3 Mbps (3000 Kbps).
Vim hais tias cov DSL ceev cov nqi sib txawv li no, nws yog qhov zoo tshaj los xyuas thawj zaug nrog koj tus neeg muab kev pab cuam txhawm rau txiav txim seb cov theem bandwidth txuas nrog koj cov npe. Ntau tus neeg zov me nyuam muab kev xaiv ntawm DSL cov kev pab cuam nrog cov kev sib txawv bandwidth.
DSL Speed ntawm Daus thiab Uploading
Koj tus DSL ceev yuav hloov nyob ntawm seb koj siv network.
DSL cov chaw muab kev pabcuam feem ntau tshaj tawm txog kev ceev ntawm lawv cov kev pabcuam uas siv ob pawg bandwidth ua ke; piv txwv li, "1.5 Mbps / 128 Kbps."
Thawj tus lej, 1.5 Mbps nyob rau hauv cov ntaub ntawv no, yog hais txog qhov ntau tshaj bandwidth muaj rau downloads. Piv txwv ntawm network download kev ua ub no muaj xws li browsing Web sites, txais ntaub ntawv los ntawm P2P tes hauj lwm, thiab tau txais emails.
Tus naj npawb thib ob, 128 Kbps nyob rau hauv cov ntaub ntawv no, sib raug mus rau bandwidth muaj rau uploads. Ib qho piv txwv ntawm kev koom tes hauv network yog luam tawm rau cov Web sites, xa cov ntaub ntawv tshaj li ib lub P2P network, thiab xa cov emails.
Cov chaw pabcuam DSL feem ntau muab cov ntaub qhwv tov dua rau kev tshaj tawm rau kev xa khoom, vim cov neeg feem coob siv sijhawm ntau dua nyob hauv kev ua haujlwm hauv network. Cov no hu ua Asymmetric DSL (ADSL) cov kev pabcuam. Nyob rau hauv ADSL, thawj tus lej bandwidth yuav ntau dua tus thib ob raws li nyob rau hauv qhov piv txwv saum toj no. Nrog rau DSL cov cim (SDSL), ob tus lej yuav zoo li qub. Muaj ntau yam lag luam hauv DSL cov kev pab cuam siv SDSL, vim cov neeg lag luam lag luam feem ntau siv sij hawm xa lawv cov tes hauj lwm ntau dua.
DSL Txawj Sib Txawv ntawm Tsev Neeg
Qhov ntau tshaj plaws bandwidth ntawm lub DSL txuas feem ntau tsis tuaj yeem hu tau. Txuas ntxiv, cov DSL nce siab sib txawv ntawm cov tsev neeg. Cov teeb meem cuam tshuam DSL ceev muaj xws li:
- Kev zoo ntawm tus xov tooj ntawm koj qhov chaw nyob. Neighborhoods nrog zoo tooj hlau thaiv tau ua ntej nce DSL speeds.
- Ntev ntev ntawm tus xovtooj ntawm qhov chaw nyob thiab lub xov tooj hu xov tooj (feem ntau hu ua "central office"). DSL tshuab yog "nrug ze" vim nws txoj kev ua haujlwm qis dua li koj mus ntxiv ntawm qhov chaw no.
- Kev pab glitches. Thaum nquag ib qho tas li, DSL ceev yuav tuaj yeem cuam tshuam yog tias qhov chaw muab kev pab cuam muaj kev nyuaj nrog lawv lub network. Kev ceev yuav tsum rov qab mus rau tom qab ob peb feeb lossis teev.
Luv ntawm requiring lawv qhov chaw nyob, cov neeg tuaj yeem ua tau me ntsis txog kev hloov cov xwm txheej no. Lwm yam uas koj tuaj yeem tswj ncaj qha tau muaj xws li:
- Spyware ntawm lub computer (s). Txawm tias thaum lub DSL network yuav ua hauj lwm ntawm kev ceev, cov kev pabcuam spyware yuav haus cov bandwidth, robbing koj cov DSL ceev. Anti-spyware cov kev pab cuam yuav tsum tau khiav tsis tu ncua ntawm tes hauj lwm tiv thaiv qhov teeb meem no.
- Cov xov tooj cua lossis cov router wireless. Routers zaum ntawm koj lub koos pij tawj thiab Internet txuas. Yog tias tsis ua hauj lwm zoo, ib lub router ua tau kom qis qeeb tau DSL qhov ua tau sai rau tag nrho cov computers. Txuas mus txuas lub computer kom ncaj qha mus rau hauv Internet tuaj yeem kuaj xyuas qhov teeb meem no.
- Qeeb wireless kev twb kev txuas. Nyob rau hauv ntau zaus, ib qho yooj yim heev Wi-nkaus kev txuas ntawm lub koos pis tawj thiab lub wireless network tsev yuav tsis ceev faj nrog kev ceev ntawm DSL Internet txuas. Kev txhim kho qhov kev sib txuas ntawm Wi-nkaus qhov txuas yuav daws qhov teeb meem no.
- Laus tshuab (s). Cov tub ntxhais hluas uas tsis muaj hnub nyoog tsis muaj lub hwjchim ua tau zoo lossis kev nco tsis tuaj yeem ceev ceev nrog kev sib txuas high-speed DSL. Koj tuaj yeem tshawb xyuas qhov teebmeem no los ntawm kev sib piv ntawm DSL kev sib txuas ntawm cov computers ntawm qhov chaw nyob.