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Ihlabathi langoku lixhomekeke kakhulu kutshintshiselwano lolwazi oluthembekileyo nolukhawulezayo. Ngokufanelekileyo, iimfuno ezikhulayo zamazinga edatha amakhulu zidlule amandla enkqubo yangoku. Iiteknoloji zenethiwekhi ye-optical engasebenziyo (i-PON) zanamhlanje ziye zaba zezona zakhiwo ziphambili zokuhlangabezana nokukhula kwamandla emfuno yabasebenzisi bokugqibela. Ekubeni i-PON iqhubeka nokukhula ukuya kwinqanaba ledatha elingaphezulu kwe-100 Gbps, iiteknoloji ze-PON ezisekelwe ekufumaneni i-intensity modulation-direct ziye zanyanzeleka ukuba zihlangabezane neemfuno ezikhula ngokukhawuleza. Ngokukodwa, iteknoloji ye-PON edibeneyo iguqule indlela abantu abadlulisela ngayo idatha kwiinethiwekhi ze-fiber-optic. Ngokusebenzisa iindlela zokuguqula eziphambili kunye nokucutshungulwa kwesignali yedijithali, i-PON edibeneyo inyuse kakhulu amandla kunye nokufikelela kweenkqubo ze-PON. Oko kuye kwavumela unxibelelwanoiinkampani zibonelela ngeenkonzo ze-intanethi ezikhawulezayo kunye nezinye iinkonzo zedatha kubabhalisi abaninzi ngokuthembeka nokusebenza kakuhle okuphuculweyo.
Ukusetyenziswa kwetekhnoloji yePON ehambelanayo
Itekhnoloji ye-PON edibeneyo inezicelo ezininzi ezinokubakho kumashishini ahlukeneyo. Ezinye zezicelo ezibalulekileyo ziquka:
Ishishini lezoNxibelelwano
Iimveliso zobuchwepheshe be-PON ezihambelanayo ezifanaZonke iintambo ezizixhasayo zeDielectric(ADSS),ucingo lomhlaba olubonakalayo(OPGW), intambo ye-pigtail kunye nentambo ye-optic zingasetyenziswa kushishino lonxibelelwano ukubonelela ngeenkonzo ze-broadband ezikhawulezayo kubathengi basekhaya nakwezoshishino. Ngokusebenzisa i-coherent optics, abaqhubi be-telecom banokufikelela kumthamo ophezulu wenethiwekhi kunye nokufikelela ixesha elide, bebonelela ngesantya se-intanethi esikhawulezayo kwaye bexhasa usetyenziso olulambele i-bandwidth olufana nokusasazwa kwevidiyo, iinkonzo zelifu, kunye namava e-virtual reality.
Amaziko eDatha
Iimveliso ze-PON ezihambelanayo ezifana ne-optical ground wire (OPGW), i-pigtail cable, kunye ne-optic cable zingasetyenziswa kumaziko edatha ukuze kube lula ukunxibelelana okusebenzayo nokunokwandiswa. Imibutho inokuphucula amandla okudlulisa idatha ngokuhlanganisa i-coherent PON kwizakhiwo zeziko ledatha, ukunciphisa i-latency, kunye nokuphucula ukusebenza kwenethiwekhi iyonke. Oko kunokukhokelela kulawulo lwedatha olungcono, ukufikelela ngokukhawuleza kulwazi, kunye nenkxaso yetekhnoloji entsha efana nokufunda koomatshini kunye nobukrelekrele bokwenziwa.
Izixeko Ezikrelekrele
Esinye isicelo esithembisayo setekhnoloji ye-PON ehambelanayo kukuphuhlisa izixeko ezikrelekrele. Ngokusebenzisa iinethiwekhi ze-PON ezihambelanayo, oomasipala banokudala iziseko zophuhliso eziqinileyo neziguquguqukayo ukuxhasa uluhlu olubanzi lweenkqubo ezintsha zesixeko, ezinje ngokukhanya okukrelekrele, ulawulo lwezithuthi, ukujonga okusingqongileyo, kunye neenkqubo zokhuseleko loluntu. Ezi nethiwekhi zivumela ukwabelana ngedatha, uhlalutyo lwexesha langempela, kunye nokunxibelelana okuphuculweyo, okufaka isandla kuphuhliso olusebenzayo noluzinzileyo kwiindawo zasezidolophini.
Iinkonzo zeBroadband eziphuculweyo
Itekhnoloji ye-PON edibeneyo inokubonelela ngeenkonzo ze-broadband eziphuculweyo kubasebenzisi bokugqibela. Ngokusebenzisa iindlela zokusasaza ezihambelanayo, iinethiwekhi ze-PON zinokuxhasa amazinga aphezulu edatha kunye nezicelo ezisebenzisa i-bandwidth eninzi, ezinje ngokusasazwa kwevidiyo ye-ultra-HD, i-virtual reality, kunye nokudlala kwi-intanethi. Oko kwenza ababoneleli ngeenkonzo bakwazi ukunika ababhalisile babo amava angcono, ukuhlangabezana nemfuno ekhulayo yokunxibelelana kwe-intanethi ngesantya esiphezulu.
Ukufikelela kwiSelfowuni eFixed Fixed
Itekhnoloji ye-PON edibeneyo ivumela ukudibana kweenethiwekhi zokufikelela ezizinzileyo neziphathwayo. Abaqhubi banokunikezela ngonxibelelwano olungenamthungo kwi-broadband yemigca ezinzileyo kunye ne-entsha5Giinkonzo zeselulaNgokudibanisa i-coherent optics kunye neziseko ze-PON ezikhoyo. Oku kuhlangana kwenza lula uyilo lwenethiwekhi kwaye kuvula indlela yeebhanti zeenkonzo ezintsha kunye namava ahlukeneyo kubasebenzisi bokugqibela.
Ukusikwa kweNethiwekhi kunye nokwenziwa kweVirtualization
Esinye isicelo esibalulekileyo sobuchwepheshe be-coherent PON kukusika inethiwekhi kunye nenkxaso ye-virtualization. Olu buchule luvumela abaqhubi ukuba bahlule isiseko se-PON esibonakalayo sibe zii-PON ezininzi ezibonakalayo, nganye yenzelwe iinkonzo ezithile okanye amacandelo abathengi. Ngokwabela izixhobo ngokuguquguqukayo kunye nokuziqhelanisa neemfuno ezitshintshayo, iinethiwekhi ze-coherent PON zinokuphucula ukusebenza, ziphucule ukuguquguquka, kwaye zisebenzise ngokufanelekileyo iinkonzo ezahlukeneyo.
Iingenelo zobuchwepheshe bePON
Ukulungiswa lula
I-PON ithatha indawo yeenethiwekhi zobhedu ezisengozini yengxolo kunye nokuphazamiseka kwe-electromagnetic. Njengendlela yokukhetha, iinethiwekhi ze-PON azichaphazeleki kukuphazamiseka okunjalo kwaye zinokugcina ukuthembeka kwesignali ngaphakathi komgama ocwangcisiweyo. Ekubeni kulula ukuba umntu abone aze achonge imithombo yokulahleka kwi-PON, ezi nethiwekhi kuba lula ukuzisombulula nokulungisa.
Ubuchule bokuxhasa amazinga edatha alinganayo nangafaniyo
Enye inzuzo ephambili yetekhnoloji ye-PON ehambelanayo kukukwazi kwayo ukuxhasa amazinga edatha alinganayo nangafaniyo, okuvumela ukusasazwa okuguquguqukayo kwiindlela ezahlukeneyo zokwakha inethiwekhi. Ngaphezu koko, ukufunyanwa okuhambelanayo kwenza inkqubo ikwazi ukuhlawula ukungasebenzi kakuhle kweziseko zefayibha, nto leyo ekhokelela kumgangatho ongcono wesignali kunye nesantya esiphezulu sokudlulisa.
Itekhnoloji ye-PON edibeneyo iguqula indlela eyilwe kwaye isetyenziswa ngayo iinethiwekhi zokufikelela kwi-optical. Izicelo zayo ezininzi ziphinda zibumbe ishishini lonxibelelwano, zibonelela ngokusebenza okuphuculweyo kunye nokukhula. Ukusetyenziswa kwetekhnoloji ye-PON edibeneyo kugubungela amacandelo ahlukeneyo, kubandakanya unxibelelwano, iinethiwekhi zamashishini, kunye neenkonzo ze-broadband zokuhlala. Ezi zicelo zibonisa ukuguquguquka kunye nempembelelo yetekhnoloji ye-PON edibeneyo ekuqhubeni ukuvela kweenethiwekhi zokufikelela kwi-optical kunye nokuhlangabezana neemfuno zonxibelelwano lwesizukulwana esilandelayo. Njengoko imfuno yonxibelelwano olukhawulezayo noluthembekileyo iqhubeka ikhula, itekhnoloji ye-PON edibeneyo kulindeleke ukuba idlale indima ebalulekileyo ekuhlangabezaneni nezi mfuno kunye nokubumba ikamva lonxibelelwano lwenethiwekhi ye-optical.
