I-Digital Subscriber Line (DSL) isevisi ye-intanethi esheshayo yamakhaya namabhizinisi aphikisana nekhebula nezinye izinhlobo ze- intanethi ye- broadband . I-DSL inikeza inethiwekhi ye-speed speed phezu kwemigqa ejwayelekile yefoni usebenzisa ubuchwepheshe be- modem ye-Broadband . Ubuchwepheshe obuvela ku-DSL kwenza isevisi ye-intanethi neyefoni isebenze phezu komzila wefoni efanayo ngaphandle kokudinga amakhasimende ukuba anqamule ukuxhumana kwabo ngezwi noma kwi-inthanethi.
Isivinini se-DSL
I-DSL eyisisekelo isekela inani eliphakeme lokulanda kwedatha eliphakathi kuka-1.544 Mbps no-8.448 Mbps. Ukulinganisa kwangempela kuhluke ekusebenzeni kuye ngokuthi ikhwalithi yokufakelwa komugqa wocingo yethusi kuhilelekile. Ubude bomugqa wocingo oludingekayo ukuze ufinyelele umshini womhlinzeki wezinsizakalo (ngezinye izikhathi obizwa ngokuthi "i-central office") nakho kunganciphisa isivinini esiphezulu ukusekelwa kwe-DSL ukusekela.
Ukuze uthole okwengeziwe, bheka: Kanjani Ukushesha nge-DSL ?
I-Symmetric vs. DSM Asymmetric
Iningi lezinsizakalo ze-DSL zine-asymmetric-eyaziwa nangokuthi i- ADSL . I-ADSL inikeza ngesivinini esikhulu sokulanda kunesivinini sokulayishwa, i-tradeoff abahlinzeki abaningi abahlala kuyo ukwenza ngcono kangcono nezidingo zemindeni ejwayele ngokuvamile yokulanda okuningi. I-DSL Symmetric igcina amazinga wedatha afanayo kokubili okulayishiwe nokulandwayo.
Isevisi ye-DSL yokuhlala
Abahlinzeki be-DSL abaziwayo e-United States bafaka i-AT & T (Ehlukile), i-Verizon, ne-Frontier Communications. Abahlinzeki abaningi besifunda abancane nabo banikeza i-DSL. Amakhasimende abhalisela uhlelo lwezinhlelo ze-DSL futhi akhokhela ukubhaliswa nyangazonke noma ngonyaka futhi kufanele avumelane nemigomo yesevisi yomhlinzeki. Abahlinzeki abaningi banikeza ihadidi yemodemu ye-DSL ehambisanayo kumakhasimende abo uma kudingeka, nakuba i-hardware ngokuvamile itholakala kubathengisi.
Isevisi ye-Business DSL
Ngaphandle kokuthandwa kwawo emakhaya, amabhizinisi amaningi athembele ku-DSL ngenkonzo yabo ye-intanethi. I-DSL yebhizinisi ihluke kwi-DSL yokuhlala ezindaweni ezimbalwa eziyinhloko:
- I-Symmetric DSL isetshenziswe njengamabhizinisi athambekele ekukhiqizeni imiqulu eminingi ephumayo kunekhaya elivamile
- Abahlinzeki bavame ukuthengisa amathasimende aphakeme kakhulu kumakhasimende abo kufaka phakathi izinhlelo eziphezulu zokukala idatha, izinketho zokuxhaswa kwamakhasimende okuqala noma ukuthengwa kweminye imikhiqizo
Ukuze uthole okwengeziwe, bheka: Isingeniso kwi-DSL ye-Inthanethi Insizakalo ye-Inthanethi
Izinkinga nge-DSL
Isevisi ye-Inthanethi ye-DSL isebenza kuphela ebangeni elilinganiselwe ngokomzimba futhi ayitholakali ezindaweni eziningi lapho ingqalasizinda yocingo yendawo engasisekeli ubuchwepheshe be-DSL.
Nakuba i-DSL ibilokhu isevisi ejwayelekile ye-intanethi iminyaka eminingi, okuhlangenwe nakho kwamakhasimende ngabanye kungahluka kakhulu kuye ngokuthi indawo yabo, umhlinzeki wabo, ikhwalithi yocingo lwezingcingo lapho behlala khona nezinye izici.
Njengamanye amafomu enkonzo ye-inthanethi, izindleko ze-DSL zingashintsha ngokuphawulekayo kusuka esifundeni kuya esifundeni. Indawo enezinketho ezimbalwa zokuxhumeka kwe-Intanethi kanye nabahlinzeki abambalwa bangase babe nezindleko ezingaphezu nje ngenxa yokuntuleka komncintiswano webhizinisi.
I-DSL ayikwenzi ngokusheshisa njenge- fiber ukuxhumana kwe-Inthanethi . Ngisho nezinye izinketho ze-Intanethi ezingenazivinini ezingenayo zinganikeza ngesivinini sokuncintisana.
Ngenxa yokuthi imigqa ye-DSL isebenzisa ucingo olufanayo lwezethusi njengesevisi yocingo ehambelanisiwe, wonke amafoni afoni ekhaya noma ebhizinisini kumele asebenzise izihlungi ezikhethekile ezifaka phakathi kwefoni nodonga lwodonga. Uma lezi zihlungi zingasetshenzisiwe, uxhumano lwe-DSL lungathinteka kakhulu.