Ngemva kokuba inethiwekhi ye-DCI yethule ubuchwepheshe be-OTN, kufana nokwengeza umsebenzi wonke owawungekho ngaphambili maqondana nokusebenza. Inethiwekhi yesikhungo sedatha yendabuko iyinethiwekhi ye-IP, engeyezobuchwepheshe benethiwekhi enengqondo. I-OTN ku-DCI ubuchwepheshe bengqimba ebonakalayo, futhi indlela yokusebenza ngengqimba ye-IP ngendlela enobungane nelula kuyindlela ende yokusebenza.
Njengamanje, inhloso yokusebenza okusekelwe ku-OTN ifana neyesistimu ngayinye yesikhungo sedatha. Konke kuhloswe ukukhulisa ukusebenza kahle kwezinsiza ezitshalwe engqalasizindani ebiza kakhulu nokunikeza ukwesekwa okungcono kakhulu kwezinsizakalo ezisezingeni eliphezulu. Ukuthuthukisa ukuzinza kohlelo oluyisisekelo, ukwenza lula ukusebenza kahle nomsebenzi wokulungisa, ukusiza ekwabiweni okunengqondo kwezinsiza, ukwenza izinsiza ezitshaliwe zidlale indima enkulu, nokwabela izinsiza ezingatshalwanga ngendlela efanele.
Ukusebenza kwe-OTN kuhilela kakhulu izingxenye eziningana: ukuphathwa kwedatha yokusebenza, ukuphathwa kwempahla, ukuphathwa kokucushwa, ukuphathwa kwe-alamu, ukuphathwa kokusebenza, kanye nokuphathwa kwe-DCN.
1 Idatha Yokusebenza
Yenza izibalo ngedatha yamaphutha, uhlukanise amaphutha abantu, amaphutha ehadiwe, amaphutha esofthiwe, kanye namaphutha avela eceleni, futhi wenze ukuhlaziywa kwezibalo ngezinhlobo zamaphutha aphezulu, wakhe izinhlelo zokucubungula eziqondiwe, futhi uvulele indlela yokucubungula amaphutha ngokuzenzakalelayo ngemva kokumiswa kwesikhathi esizayo. Ngokusho kokuhlaziywa kwedatha yamaphutha, uhlelo lulungiselelwe umsebenzi wesikhathi esizayo njengokuklama izakhiwo kanye nokukhethwa kwemishini, ukuze kuncishiswe izindleko zomsebenzi wokusebenza nokulungisa kamuva. Ku-OTN, yenza izibalo zamaphutha ezivela kuma-amplifiers e-optical, amabhodi, amamojula, ama-multiplexers, ama-cross-device jumpers, ama-trunk fibers, amanethiwekhi e-DCN, njll., uhlanganyele ebukhulu bomkhiqizi, ubukhulu beqembu lesithathu, njll., futhi wenze ukuhlaziywa kwedatha enezinhlangothi eziningi ukuze uthole idatha enembile kakhulu. Ingabonisa ngokunembile isimo samanje senethiwekhi.
Yenza izibalo kudatha yoshintsho, uhlukanise ubunzima kanye nomthelela woshintsho, wabe abasebenzi, futhi wenze izinguquko ngokwenqubo yokuhlaziywa kwesidingo, uhlelo loshintsho, ifasitela lokusetha, wazise abasebenzisi, ukwenziwa komsebenzi, kanye nokubuyekezwa okufingqiwe, futhi ekugcineni ungenza izinguquko ezahlukene. Ihlukaniswe ngamafasitela, ihlelwe ngisho nokuthi yenziwe emini, ukuze ukwabiwa kwabasebenzi abashintshayo kube nengqondo kakhudlwana, kuncishiswe ingcindezi yomsebenzi nokuphila, futhi kuthuthukiswe injabulo yonjiniyela abasebenzayo. Ingahlanganisa futhi idatha yokugcina yezibalo futhi iyisebenzise njengereferensi yokusebenza kahle kwabasebenzi kanye nekhono lomsebenzi. Ngesikhathi esifanayo, ivumela futhi izinguquko ezijwayelekile ukuthi zithuthuke ngokuya ngokuma kanye nokuzenzakalela, kuncishiswe izindleko ezahlukahlukene.
Qoqa izibalo ngokusatshalaliswa kwensizakalo ye-OTN ukuze kukusize uhlale wazi ngokusetshenziswa kwenethiwekhi futhi ulawule ukusatshalaliswa kwenethiwekhi yonke kanye nokusatshalaliswa kwensizakalo ngemva kokwanda kwevolumu yebhizinisi. Uma ukwenza kube nzima, ungazi ukuthi iyiphi insizakalo yenethiwekhi esetshenziswa yisiteshi esisodwa, njengenethiwekhi yangaphandle, i-intranet, inethiwekhi ye-HPC, inethiwekhi yesevisi yamafu, njll. Uma ukwenza kube nemininingwane, ungahlanganisa uhlelo lokugeleza oluphelele ukuze uhlaziye ukusetshenziswa kwethrafikhi ethile yebhizinisi. Izindleko ezahlukene ze-bandwidth zabelwe iminyango ehlukene yebhizinisi ukuze ibasize bathuthukise ithrafikhi yebhizinisi, baphinde basebenzise futhi balungise iziteshi zokusebenza ezisetshenziswa kancane nganoma yisiphi isikhathi, futhi bandise iziteshi zebhizinisi ezisetshenziswa kakhulu.
Idatha yokuzinza kwezibalo, okuyidatha eyinhloko yokubhekisela ye-SLA, nayo iyinkemba ye-Damocles ekhanda labo bonke abasebenzi bokusebenza nokulungisa. Izibalo zedatha yokuzinza ze-OTN zidinga ukuhlukaniswa ngenxa yokuvikelwa kwazo. Isibonelo, uma umzila owodwa uphazanyiswa, i-bandwidth iyonke kungqimba lwe-IP ngeke ithinteke, ukuthi izofakwa ku-SLA; uma i-bandwidth ye-IP incishiswa phakathi, kodwa ibhizinisi ngeke lithinteke, ukuthi izofakwa ku-SLA; ukuthi ngabe ukwehluleka kwesiteshi esisodwa kufakiwe ku-SLA; ukwanda kokubambezeleka kwendlela yokuvikela akuthinti i-bandwidth yenethiwekhi, kodwa kunomthelela ebhizinisini, ukuthi ngabe ifakiwe ku-SLA, njalo njalo. Umkhuba ojwayelekile ukwazisa uhlangothi lwebhizinisi ngezingozi ezifana nokushintsha kwe-jitter kanye nokubambezeleka ngaphambi kokwakhiwa. I-SLA yakamuva ibalwa ngokusekelwe enanini leziteshi ezinephutha * i-bandwidth yesiteshi esisodwa esinephutha, ihlukaniswe yinani leziteshi eziphelele * isamba se-bandwidth yesiteshi esihambisanayo, bese iphindaphindwa ngo Ngokusekelwe esikhathini somthelela, inani elitholiwe lisetshenziswa njengendinganiso yokubala ye-SLA.
2 Ukuphathwa Kwempahla
Izimpahla zemishini ye-OTN nazo zidinga ukuphathwa komjikelezo wokuphila (ukufika, ku-inthanethi, ukuklebhula, ukuphathwa kwamaphutha), kodwa ngokungafani namaseva, ukushintsha kwenethiwekhi neminye imishini, isakhiwo semishini ye-OTN siyinkimbinkimbi kakhulu. Imishini ye-OTN ihilela inani elikhulu lamabhodi asebenzayo, ngakho-ke kuyadingeka ukuklama imodi yokuphathwa kwempahla okugcwele ngesikhathi sokuphathwa. Ipulatifomu eyinhloko yokuphathwa kwempahla ye-IP esikhungweni sedatha isekelwe kumaseva namaswishi, futhi izinga ledivayisi ye-master-slave lizosethwa. Ngalesi sisekelo se-OTN, izinga le-master-slave lizohilela ukuphathwa kwe-hierarchical, kodwa kunezendlalelo ezengeziwe. Izinga lokuphathwa lenziwa kakhulu yi-network element->subrack->board card->module:
2.1. Isici senethiwekhi siyidivayisi ebonakalayo, engenazo izinto ezibonakalayo. Sisetshenziselwa ukuphathwa kanye nephuzu lokuqala elinengqondo kunethiwekhi ye-OTN, futhi singeseyunithi yezinga lokuqala ekuphathweni kwenethiwekhi ye-OTN. Igumbi lemishini ebonakalayo lingaba ne-NE eyodwa noma ama-NE amaningi. Isici senethiwekhi siqukethe ama-subrack amaningi, njenge-optical layer subrack, ama-electrical layer subrack, kanye nama-multiplexers angaphandle kanye nama-demultiplexers nawo abhekwa njenge-subrack. I-subrack ngayinye ingaxhunywa ngochungechunge futhi ingeye-subrack ngaphakathi kwesayithi lesici senethiwekhi eyodwa. Ukufaka izinombolo. Ngaphezu kwalokho, isici senethiwekhi asinayo inombolo ye-SN yempahla, ngakho-ke kumele ihambisane nepulatifomu yokuphatha kulokhu, ikakhulukazi ngolwazi olusohlwini lokuthenga kanye nepulatifomu yokuphatha ukusebenza nokugcinwa kamuva, ukuze kugwenywe ukuphenywa kwempahla okungahambisani. Phela, isici senethiwekhi siyimpahla ebonakalayo. .
2.2. Iyunithi enkulu kakhulu ebonakalayo yemishini ye-OTN yi-chassis, okungukuthi, i-subrack, engeyesigaba sesibili sento yenethiwekhi yesigaba sokuqala. Iyiyunithi yesigaba sesibili, futhi into yenethiwekhi inedivayisi eyodwa okungenani ye-subrack. Lawa ma-subrack ahlukaniswe ngamamodeli ahlukene abakhiqizi abahlukene, anemisebenzi ehlukene, kufaka phakathi ama-subrack kagesi, ama-photon subrack, ama-subrack ajwayelekile, njalo njalo. I-subrack inenombolo ethile ye-SN, kodwa inombolo yayo ye-SN ayikwazi ukutholakala ngokuzenzakalelayo ngeplatifomu yokuphatha inethiwekhi, futhi ingahlolwa kuphela endaweni. Akuvamile ukuhambisa nokushintsha i-subrack ngemva kokuba ixhumeke ku-inthanethi. Amabhodi ahlukahlukene afakwa ku-subrack.
2.3. Ngaphakathi kwe-subrack yezinga lesibili le-OTN, kunezikhala zesevisi ezithile zokubeka. Izikhala zinezinombolo futhi zisetshenziselwa ukufaka amabhodi esevisi ahlukahlukene amanethiwekhi optical. Lawa mabhodi ayisisekelo sokusekela izinsizakalo zenethiwekhi ye-OTN, futhi ibhodi ngalinye lingabuza i-SN yalo ngohlelo lokuphathwa kwenethiwekhi. Lawa mabhodi angamayunithi ezinga lesithathu ekuphathweni kwempahla ye-OTN. Amabhodi ebhizinisi ahlukahlukene anobukhulu obuhlukene, athatha izikhala ezahlukene, futhi anemisebenzi ehlukene. Ngakho-ke, lapho ibhodi idinga ukunikezwa i-subrack yeyunithi yezinga lesibili, ipulatifomu yempahla kumele ivumele ibhodi elilodwa ukuthi lisebenzise izikhala eziningi noma ingxenye ukuze zihambisane nezinombolo zezikhala ku-subrack.
2.4. Ukuphathwa kwempahla yemojula ye-Optical. Amamojula ancike ekusetshenzisweni kwamabhodi esevisi. Wonke amabhodi ebhizinisi kumele avumele ubunikazi bemojula ye-optical, kodwa akuwona wonke amabhodi emishini ye-OTN okumele axhunywe kumamojula we-optical, ngakho-ke amabhodi kumele avunyelwe ukuthi Awekho amamojula akhona. Imojula ngayinye ye-optical inenombolo ye-SN, futhi imojula efakwe ebhodini kumele ihambisane nenombolo yephothi yebhodi ukuze kube lula ukusesha indawo.
Lonke lolu lwazi lungaqoqwa ngokusebenzisa isikhombikubona esiya enyakatho sepulatifomu yokuphathwa kwenethiwekhi, futhi ukunemba kolwazi lwempahla kungaphathwa ngokuqoqwa kwe-inthanethi kanye nokuqinisekiswa nokufaniswa okungaxhunyiwe ku-inthanethi. Ngaphezu kwalokho, imishini ye-OTN ihlanganisa nama-optical attenuators, ama-short jumpers, njll. Lawa madivayisi asetshenziswayo angaphathwa ngqo njengezinto ezisetshenziswayo.
Isikhathi sokuthunyelwe: Disemba 12-2022