Zonke iTheknoloji yeDLS i-Asymmetric okanye i-Symmetric
I-DSL (i-DigitalList Subscriber Line) isevisi ye-intanethi ngokukhawuleza kwimizi kunye namashishini ancintisana kwiindawo ezininzi zelizwe kunye nekhefu kunye nezinye iintlobo zeenkonzo ze-intanethi kwi-intanethi. I-DSL inika inethwekhi yenethiwekhi ebanzi ngokusebenzisa umgca wefowuni. Uninzi lweentlobo zeenkonzo ze-DSL zi-asymmetric. Zonke iintlobo zeenkonzo ze-intanethi ze-DSL zingabelana ngezigaba okanye zilinganisane. Inkonzo efanelekileyo kakhulu kuncike ekubeni unokwenkcenkcesha oluninzi okanye ufuna ukuxhaswa koxeshwano lwezwi kunye nevidiyo.
DSL
Iintlobo ezingafaniyo ze-DSL zokunxibelelana zinika unxibelelwano lwe-networkwidth olongezelelweyo lokukhuphela kwi-intanethi yenkonzo kwikhompyutri yomthengi kunokuba ulayishe kwelinye icala. Ngokunciphisa inani le-bandwidth elitholakalayo, ababoneleli benkonzo banako ukunikela ngokubanzi kumgama ongaphantsi, obonisa iimfuno zabathengi abaqhelekileyo.
I-DSL ye-ASymmetric iyindawo enokuhlala yaseDSL apho abasebenzisi be-intanethi basekhaya basebenzise kakhulu i-bandwidth.
Iifom eziqhelekileyo ze-DSL engaphelelanga ziquka ezi zilandelayo:
- I-ADSL (i-Asymmetrical Digital Line Subscriber Line) inezinga elingaphantsi kwe-8 Mbps kunye nomlinganiselo ophezulu we-384 Kbps. Ixhasa inkonzo yocingo kunye nokuthunyelwa kwedatha ngexesha elinye.
- I-ADSL yesi-2 + yinguqulelo entsha ye-ADSL ehambisa izantya zokukhuphela ezifikelela kwi-20 Mbps kwaye ilayishe ngesivinini kwi-850 Kbps.
- I-ADSL Lite okanye i- G.Lite yinguqulo ye-ADSL enikela ngesivinini esicothayo ukuya kwi-1 Mbps kwisantya esiphantsi kunye ne-512 Kbps yokulayishwa kwesantya.
- I-R-ADSL (Umlinganiselo-we-Adaptive Digital Subscriber Line) uhambisa amazinga afanayo okudlulisa njenge-ADSL, kodwa isivinini sokuhambisa singaguquzwa nge modem.
- I-VDSL (i-High High-Rate-Rate Digital Subscriber Line) yisevisi ye-DSL esheshayo. Unika amaxabiso angaphantsi kwama-52 Mbps kunye namazinga aphezulu ukuya kwi-2.3 Mbps ngaphezu kocingo olulodwa lweethusi.
DSM Symmetric
Iintlobo ezihambelanayo ze-DSL zokunxibelelana zibonelela ngokukhawulelana kwamanqanaba omibini kunye nokulandwa. Ikhnoloji ye-DSL ye-Symmetric ithandwa kwiinkonzo ze-DSL zoshishino njengoko iinkampani zihlala zifuna iimfuno ezinkulu zokudlulisa idatha. Kwakhona iteknoloji yokuzikhethela ukuxhunyaniswa kwezwi kunye nevidiyo ngokufanayo, efuna isivinini esikhulu kwiindlela zombini zokuxhumana.
Iifom ze-DSL ezilinganayo ziquka:
- I-SDSL (Umgca wokuBhalisa weDistimric Digital) inikezela ngokulingana kwee-speed and downstream transmission of 1.55 Mbps.
- I-SHDSL ( Umgcini weBhalisela kwi- Symmetrical High-Speed Digital) i-teknoloji efanayo ne-SDSL, kodwa imigangatho emibini ivunyiwe ngokwahlukileyo. I-SHDSL ivunyiwe yi-International Telecommunications Union, kwaye i-SDSL ivunyiwe yi-European Telecommunications Standards Institute.
- I-HSDL (i-High-Rate-Digital Digital Subscriber Line) yaveliswa ekuqaleni kwee-1990, okwenza enye yeendlela ezidlulileyo zeDSL. I-HDSL inikezela ngamaxabiso e-data ukuya kwi-2.048 Mbps kodwa ifuna iimilo ezininzi zefowuni, ekugqibeleni zenze ukuba zingasebenzi.
Ezinye iintlobo zeDSL
I-IDSL ( Umgcini we- ISDN Digital Subscriber Line) yi-hybrid DSL / ISDN iteknoloji. Yayilungiswa kunye nezinye iintlobo ze-DSL kodwa ayiqhelekanga isetyenzisiweyo namhlanje ngenxa yesantya esincinane (144 Kbps) I-IDSL inikeza rhoqo uxhumano, ngokungafani ne-ISDN.