Ihlabathi langoku lixhomekeke kakhulu kutshintshiselwano oluthembekileyo nolukhawulezayo lolwazi. Ngokunqwenelekayo, ukunyuka kweemfuno zamazinga edatha angaphezulu komthamo wenkqubo yangoku. Itekhnoloji yamva nje, i-passive optical network (PON) ibe yeyona nto iphambili yokuyila ukuhlangabezana nemfuno yabasebenzisi bokugqibela. Ukusukela ukuba i-PON iqhubeleka nokuguqukela kwinqanaba ledatha elingaphezulu kwe-100 Gbps, itekhnoloji ye-PON esekwe kubunzulu bomodyuli-ngqo wokuchongwa ngokuthe ngqo kuye kwanyanzeleka ukuba kuhlangatyezwane neemfuno ezikhula ngokukhawuleza. Ngokukodwa, itekhnoloji ye-PON ehambelanayo iguqule indlela abantu abahambisa ngayo idatha kuthungelwano lwe-fiber-optic. Ngokusebenzisa iindlela eziphambili zokumodareyitha kunye nokusetyenzwa komqondiso wedijithali, i-PON ehambelanayo inyuse kakhulu umthamo kunye nokufikelela kwiinkqubo ze-PON. Loo nto yenze ukuba isebenze uthungelwano ngomnxebaiinkampani ukuhambisa i-intanethi ngesantya esiphezulu kunye nezinye iinkonzo zedatha kubabhalisi abaninzi ngokuthembeka okuphuculweyo kunye nokusebenza kakuhle.
Ukusetyenziswa kweteknoloji yePON ehambelanayo
Itekhnoloji yePON ehambelanayo inezicelo ezininzi ezinokubakho kumashishini ahlukeneyo. Ezinye zezicelo ezibalulekileyo ziquka:
Ishishini lezoNxibelelwano
Iimveliso zeteknoloji zePON ezihambelanayo ezifanaYonke iCable yeDielectric Self-Supporting Cable(ADSS),ucingo optical emhlabeni(OPGW), intambo ye-pigtail kunye nentambo ye-optic ingasetyenziselwa kwishishini lezonxibelelwano ukuhambisa iinkonzo ze-broadband ze-high-speed kubathengi beendawo zokuhlala kunye nezoshishino. Ngokusebenzisa i-optics ehambelanayo, abaqhubi be-telecom banokufikelela kumthamo wenethiwekhi ephezulu kunye nokufikelela ixesha elide, banikezela ngezantya ze-intanethi ezikhawulezayo kunye nokuxhasa izicelo ezilambele i-bandwidth njengokusasazwa kwevidiyo, iinkonzo zelifu, kunye namava okwenyani.
Amaziko eenkcukacha
Iimveliso ze-PON ezihambelanayo ezifana ne-optical ground wire (OPGW), intambo ye-pigtail, kunye nekhebula le-optic lingasetyenziswa kumaziko edatha ukwenzela ukuba unxibelelwano olusebenzayo kunye nolunokukhawuleza. Imibutho inokuphucula amandla okuhanjiswa kwedatha ngokudibanisa i-PON ehambelanayo kwizakhiwo zamaziko edatha, ukunciphisa i-latency, kunye nokuphucula ukusebenza kwenethiwekhi ngokubanzi. Oko kunokukhokelela kulawulo olungcono lwedatha, ukufikelela ngokukhawuleza kulwazi, kunye nenkxaso kubuchwepheshe obuvelayo njengokufunda koomatshini kunye nobukrelekrele bokwenziwa.
Iidolophu ezihlakaniphile
Olunye usetyenziso oluthembisayo lwetekhnoloji yePON ehambelanayo kukuphuhlisa izixeko ezikrelekrele. Ngokusebenzisa uthungelwano lwe-PON oluluqilima, oomasipala banokudala iziseko ezingundoqo ezomeleleyo neziguquguqukayo ukuxhasa uluhlu olubanzi lwamanyathelo asungulweyo esixeko, afana nokukhanya okukrelekrele, ulawulo lwezithuthi, ukubeka iliso kokusingqongileyo, kunye neenkqubo zokhuseleko loluntu. Olu nxibelelwano luvumela ukwabelana ngedatha, uhlalutyo lwexesha langempela, kunye nokuphucula uqhagamshelwano, okunegalelo kuphuhliso olusebenzayo noluzinzileyo kwimimandla yasezidolophini.
Iinkonzo zeBroadband ezongeziweyo
Itekhnoloji ye-PON ehambelanayo inokuhambisa iinkonzo eziphuculweyo zebroadband kubasebenzisi bokugqibela. Ngokusebenzisa iindlela ezihambelanayo zothumelo, uthungelwano lwe-PON lunokuxhasa amaxabiso aphezulu edatha kunye nezicelo ezinzulu ze-bandwidth, ezifana nokusasazwa kwevidiyo ye-Ultra-HD, inyani ebonakalayo, kunye nokudlala kwi-intanethi. Loo nto yenza ukuba ababoneleli ngeenkonzo babonelele ngababhalisi babo amava akumgangatho ophezulu, ukuhlangabezana nemfuno ehlala isanda yoqhagamshelo lwe-intanethi olunesantya esiphezulu.
UFikelelo oluGuquliweyo oluZinzileyo
Itekhnoloji ye-PON ehambelanayo yenza ukudibanisa okusisigxina kunye nothungelwano lokufikelela kwiselula. Abasebenzisi banokuhambisa uqhagamshelo olungenamthungo lwebroadband yomgca osisigxina kunye nokuvelayo5Giinkonzo eziphathwayongokudibanisa ii-optics ezihambelanayo kunye neziseko zePON ezikhoyo. Oku kudityaniswa kwenza kube lula ulwakhiwo lwenethiwekhi kwaye kuvula indlela yeenyanda zeenkonzo ezintsha kunye namava eplatform kubasebenzisi bokugqibela.
I-Network Slicing kunye ne-Virtualization
Olunye usetyenziso olubalulekileyo lwetekhnoloji ye-PON ehambelanayo kukunqunyulwa kwenethiwekhi kunye nenkxaso ye-virtualization. Esi sikhundla sivumela abaqhubi ukuba bahlule isiseko se-PON somzimba kwii-PON ezininzi ezinenyani, nganye ilungiselelwe iinkonzo ezithile okanye amacandelo abathengi. Ngokwaba izixhobo eziguquguqukayo kunye nokulungelelanisa iimfuno eziguqukayo, uthungelwano oluhambelanayo lwe-PON lunokwandisa ukusebenza, luphucule ukuguquguquka, kunye nokusasaza ngokufanelekileyo iinkonzo ezahlukeneyo.
Izibonelelo zobuchwepheshe bePON
Ukugcinwa lula
I-PON ithatha indawo yothungelwano lobhedu olusesichengeni kwingxolo kunye nokuphazamiseka kombane. Njengokhetho, uthungelwano lwe-PON alukhathazwa luphazamiso olunjalo kwaye lunokugcina imfezeko yesiginali kumgama ocwangcisiweyo. Kuba kulula ukuba umntu ajonge kwaye achonge imithombo yelahleko kwiPON, ezi networks ziba lula ukulungisa ingxaki kunye nokugcina.
Ukukwazi ukuxhasa amazinga edatha ye-symmetrical kunye ne-asymmetrical
Enye inzuzo ephambili yetekhnoloji ye-PON ehambelanayo kukukwazi ukuxhasa amaxabiso edatha alinganayo kunye ne-asymmetrical, evumela ukuhanjiswa okuguquguqukayo kwizakhiwo ezahlukeneyo zenethiwekhi. Ngaphezu koko, ukufumanisa okuhambelanayo kwenza inkqubo ihlawule umonakalo kwisiseko sefiber, okukhokelela kumgangatho ongcono wesignali kunye nesantya esiphezulu sothumelo.
Itekhnoloji ye-PON ehambelanayo iguqula indlela uthungelwano lokufikelela kwi-optical eyilwe kwaye isetyenziswe ngayo. Usetyenziso lwayo oluninzi luhlengahlengisa ishishini lonxibelelwano, lunikezela ukusebenza okuphuculweyo kunye nokukaleka. Ukusetyenziswa kobuchwephesha bePON obubambeneyo bunaba kumacandelo ahlukeneyo, kubandakanywa ezonxibelelwano, uthungelwano lwamashishini, kunye neenkonzo zebroadband zokuhlala. Ezi zicelo zigqamisa ukuguquguquka kunye neempembelelo zeteknoloji yePON ehambelanayo ekuqhubeni ukuvela kweenethiwekhi zokufikelela kwi-optical kunye nokuhlangabezana neemfuno zesizukulwana esilandelayo. Njengoko imfuno yesantya esiphezulu, uqhagamshelwano oluthembekileyo luqhubeka lukhula, iteknoloji yePON ehambelanayo kulindeleke ukuba idlale indima ebalulekileyo ekuhlangabezaneni nezi mfuno kunye nokubumba ikamva lonxibelelwano lwenethiwekhi ye-optical network.