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I-Software echazwe yi-Optical Network (SDON) Intuthuko Ejwayelekile kanye ne-New Technology Hotspots

I-Software echazwe yi-Optical Network (SDON) Intuthuko Ejwayelekile kanye ne-New Technology Hotspots

Inethiwekhi echazwe yi-software (echazwe yi-software) echazayo (SDON) ihlanganisa inethiwekhi echazwe yinethiwekhi (SDN) nenethiwekhi yezokuthutha. Kuyindawo yokucwaninga emkhakheni wezokuphathwa kwenethiwekhi yezokuthutha. Inezicelo eziningi kwinethiwekhi yokuhambisa iphakethe (PTN) nenethiwekhi yezokuthutha i-optical (OTN). Futhi esakhiweni sokuphathwa kwenethiwekhi, imodeli yolwazi, isikhombimsebenzisi esenyakatho-eningizimu, nezinye izici, zakha uchungechunge lwamazinga. Ngokuvela kwezidingo zokulawula ezifana nobuchwepheshe benethiwekhi be-5G nemigqa yangasese efakwe ngaphezulu, izidingo zokuxhumana zokulawulwa kwenethiwekhi yezokuxhumana kanye nohlelo lokulawula kanye ne-orchestration yokubamba iqhaza ngokubambisana kucacile kakhulu, futhi kuyadingeka ukukwazi ukufeza ukuphathwa okuhleliwe nokulawulwa kwezingcezu zenethiwekhi ezenzakalelayo ngohlelo lokuphathwa kwebhizinisi olungaphezulu. Ngokombono wokwenza ngcono ukusebenza kahle nokulondolozwa, kuyadingeka ukuthi ube nezici ezintsha njengokuphathwa okuhlangene nokulawula nokusebenza okukhaliphile nokugcinwa kokulawulwa kwenethiwekhi yokudlulisela kanye nohlelo lokulawula.

Okokuqala, uhlelo lwe-SDON lwamazwe omhlaba nolwekhaya olujwayelekile lumile kahle

Ngokumiswa kokumiswa kwamazwe omhlaba, umsebenzi wokumiswa kwenethiwekhi yokudlulisela i-SDON uqedelwa kakhulu izinhlangano eziningana zokumisa ezifana ne-ITU-T, ONF, ne-IETF.

I-ITU-T eyinhloko ye-ITU-T igxile ekuphathweni nasekulawulweni kwezakhiwo zenethiwekhi ze-5G, isilawuli se-network slice, nemodeli yolwazi ye-L0 ungqimba ku-L2 ungqimba. Njengamanje, i-ITU-T isiqede imininingwane emibili yokulawula okujwayelekile kwe-G.7701 jikelele kanye ne-ITU-T G.7702 yezokuxhumana okwakhiwa kwe-SDN ngokwesakhiwo nokuphatha izakhiwo; ITU-T G.7711 imininingwane ejwayelekile ngokuya ngemodeli yenethiwekhi Imodeli ichaza imodeli yolwazi oluzimele, ITU-T G.854.1 ichaza imodeli yenethiwekhi ye-L1, futhi i-ITU-T G.807 (G.media) ichaza ukwakhiwa kwezakhiwo zokuphathwa kwenethiwekhi ye-L0 medium, i-ITU-T G.876 (G.media-mgmt) nemodi yokulawula yohlobo lwe-media optical ichaziwe, ITU-T G.807 ne-G.876 kulindeleke ukuthi iphothulwe cishe ngoJulayi 2019 futhi yathuthukiswa ngokubuyekezwa. Iqembu elilandela i-ITU-T Q12 / 14 lizogxila ekwakhiweni kokuphathwa kwe-5G kanye nocwaningo lwemodeli ekuphathweni nasekuphatheni kwe-SDN kwenethiwekhi, futhi lamukele imodeli yokuphathwa yenethiwekhi (VN) kanye nokwakhiwa kwekhasimende / iseva ingxenye ephezulu yenethiwekhi. Ukubona ukulawulwa kwesilayidi kwinethiwekhi yezokuthutha, kanye nokutadisha ubuchwepheshe bokubuyisa inethiwekhi ngaphansi kolwakhiwo oluphakathi nendawo lokulawula.

I-ONF ikakhulukazi igxile emsebenzini ohlobene nemodeli yolwazi ye-SDN yenethiwekhi yezokuthutha. Kwenziwa ikakhulukazi yi-Network Information Model (OTIM) iqembu elisebenza. Kuthuthukiswe amazinga afanele njenge-TR-512 Core Information Model (CIM) kanye ne-TR-527 Transport API (TAPI) interface functionationcacation. Ukulandela ikakhulukazi kugxile ekuvikelweni kwenethiwekhi, imodeli yolwazi ye-OAM, imodeli ye-L0 ungqimba lwe-OTSi neminye imisebenzi ehlobene.

I-IETF igxile kakhulu kumodeli yokulawula yenethiwekhi yezokuthutha, inethiwekhi ye-IP kanye nenethiwekhi, futhi ichaze imodeli yenethiwekhi esekwe kuYANG. Iqembu layo elisebenzayo le-TEAS njengamanje licoca imodeli yokulawula ye-ACTN-based virtual (VN). Umhubhe wawo wobunjiniyela bethrafikhi (i-TE) kanye namamodeli we-topology we-TEU usuphothuliwe ngokuyisisekelo. Lezi zinhlobo zingahle zisetshenziselwe ukuphathwa kwenethiwekhi okuzimele kwe-protocol-Independent. Ukuphathwa kwenethiwekhi namamodeli ahlobene ne-protocol akhiwa eqenjini elisebenzayo le-CCAMP, kufaka phakathi imigudu ye-OTN, i-topologies, namamodeli webhizinisi. I-IETF izoqhubeka nokukhulisa amazinga wokubona ngenethiwekhi, ukusikwa kwenethiwekhi, ukuphathwa kwe-5G nezinye izici, nokwenza ngcono imodeli ehlobene ye-IETF YANG kanye nokusebenza kwayo.

Ngokuvamile, izinhlangano zokumiswa kwamazwe omhlaba njenge-ITU-T, ONF, ne-IETF ngokuyisisekelo ziwuqedile umsebenzi wokumiswa kwe-SDON ngokuphelele. Njengamanje, ucwaningo kubuchwepheshe be-5G yokulawula kanye nokwenza ngcono imodeli yolwazi efanelekile yenethiwekhi yezokuthutha kugxilwe. Mayelana nomsebenzi wokumelwa ekhaya, i-China Communications Standards Association (CCSA) isungule uhlelo oluphelele oluchazwe kahle lwe-software echazwe njengobuchwepheshe, kufaka phakathi inhloso ejwayelekile yokuphathwa kwe-SDON kanye nobuchwepheshe bokulawula, inethiwekhi echazwe yenethiwekhi yokuhamba yezokuxhumana (i-SDOTN), ne-software- inethiwekhi echaziwe yokuhambisa iphakethe (SPTN). Uchungechunge lwamazinga.

Okwesibili, kuvela i-software echazwe yenethiwekhi (SDON) yendawo entsha yokucwaninga

Ngokuqala kobuchwepheshe be-5G nezinhlelo zokusebenzisana zenethiwekhi, amanethiwekhi we-optical echaziwe (SDON) aqhamuke nezinye izindawo zokucwaninga ezintsha, kubandakanya ukuphathwa kanye nokubambisana okuhlanganisiwe, ukuphathwa nokulawulwa kwenethiwekhi okunezigaba eziningi, ukuphathwa kwezinyathelo zenethiwekhi , nokulawula. Ukuvikelwa kwensiza, njll.

(1) Ukulawulwa okuhlanganisiwe kuba yisixazululo esikhulu sokuhanjiswa kwesilawuli se-SDON

Ukuvela okulula kusuka kunethiwekhi, vikela ukutshala imali kwenethiwekhi okukhona, futhi ngasikhathi sinye kwenza umsebenzi wokulawula kwenethiwekhi kanye nemisebenzi yokuphatha yendabuko ibe nesipiliyoni esingaguquki somsebenzisi, futhi inethiwekhi opharetha inesidingo sokuphathwa okuhlangene nokulawula. Izici eziphambili zobuchwepheshe bezokuphatha okuhlangene nokulawula kufaka ukwamukelwa kokuphathwa okuhlanganisiwe kanye nesiteji sokulawula ukufezekisa ukuthunyelwa okuhlangene kokuphatha, ukulawula, nokusebenza ngobuhlakani nokulungiswa; ukwemukelwa kwemodeli yedatha ehlangene ukuvikela ukungqubuzana kwedatha phakathi kwezinhlelo ezahlukene kanye nokunciphisa ukonakala kokusebenza kwesistimu okubangelwa ukuvumelaniswa kwedatha; Isixhumi esibonakalayo sebumbano esenyakatho sisetshenziselwa ukuhlinzeka ngesimo esibonakalayo esivulekile esuselwa kwimodeli ye-YANG ukubona ukufakwa kwezinhlelo zokusebenza kwenethiwekhi. Uhlelo lokulawula oluhlanganisiwe Ekudlulisweni kwenethiwekhi yangempela, isigaba sesifunda singasuselwa kuzidingo zokusebenza kwenethiwekhi yephrothokholi yokulawula esatshalaliswa, umthetho olandelwayo uchaza isifunda sokungena sohla oluthile lwenethiwekhi yangaphakathi, ukunciphisa ukusetshenziswa kwemithombo yenethiwekhi yokubonisa, ukuthuthukisa insiza ukuvikela Buyisela ukusebenza. Isilawuli sesizinda singafinyelela ngqo kumxhumanisi wesevisi yenethiwekhi ukuthwala ukufakwa okuthe xaxa kwesilawuli, noma ukwakhiwa kwenethiwekhi esezingeni eliphakathi. Ngemisebenzi ehlanganisiwe yomakhi we-EMS / i-OMC kanye nesilawuli sesizinda (DC), ukuphathwa okuhlangene nokulawulwa kwezinsizakusebenza esizindeni sokuhambisa kungabonakala; ngokuhlanganiswa kohlelo lokuphathwa kwezimpahla ezisezingeni eliphakeme kanye ne-orchestrator ebambisanayo nesilawuli sokusebenzisana esisebenza ndawonye (i-SC) senethiwekhi yezokuthutha, i-orchestration enobumbano yebhizinisi lesizinda esinqunyelwe.

(2) I-SDON idinga ukuxazulula inkinga yokuphathwa nokulawulwa kwenethiwekhi enobubanzi obuningi

Inethiwekhi yokuhambisa isizukulwane esilandelayo isekela izingqimba eziningi zenethiwekhi, kufaka phakathi ungqimba we-L0 kuya kubuchwepheshe be-L3 network. Ubuchwepheshe benethiwekhi ehlukene bungasetshenziswa kuzizinda ezihlukile, noma izingqimba eziningi zezendlalelo zobuchwepheshe benethiwekhi esizindeni esifanayo senethiwekhi. Amanethiwekhi we-optical echazwe yisoftware kufanele abe nobubanzi obuningi, imisebenzi yokuphathwa kwenethiwekhi eningi.

Ukuphathwa kwamanethiwekhi wezinhlaka eziningi nokwe-domain eminingi kungasebenzisa imodeli yenethiwekhi yokuphatha enobunye obuningi, engabonakala ngokusika nokwandisa imodeli ngaphansi kokwakhiwa kwamamodeli ejwayelekile. I-ITU-T G.7711 / ONF TR512 ichaza imodeli yolwazi yenethiwekhi ejwayelekile. I-IETF ichaza amamodeli wenethiwekhi azimele we-TE kanye namamodeli wenethiwekhi ye-IP ngaphansi kwamamodeli wokwakha ohlanganisiwe, i-ETH, i-ODU, i-L3VPN, ungqimba lwe-optical, nobunye ubuchwepheshe benethiwekhi. Imodeli yokumodela yolwazi ingenziwa ngesisekelo semodeli engenhla, ukulungisa kanye nokwandisa, kanye nokuchaza imodeli yolwazi yesimo esibonakalayo se-opharetha enobunye.

Ngaphezu kwalokho, uhlelo lokuphathwa kwenethiwekhi yezokuthutha kanye nohlelo lokulawula kufanele lube nemisebenzi yokuhlela nokwenza kahle yezinsizakusebenza zenethiwekhi ezahlukahlukene ukufezekisa ukumiswa okuhle kwemithombo yenethiwekhi enobubanzi. Ngenqubomgomo yokujikeleza kwensiza eqondiswe ekuxhumekeni, inqubomgomo yokuxhumanisa yokusebenza egxile kokunye yokuxhumeka, kufaka phakathi isiteshi sokukhanya se-L0, isiteshi se-L1 ungqimba lwe-ODU / FlexE, insiza ye-L2 ETH, i-L3 ungqimba lwe-SR-TP, njll. wokutholwa Isu lokubalwa komzila elihlanganisiwe nezinqubomgomo zokunciphisa umzila, njengokubalwa kwe-hop hop, izindleko ezisezingeni eliphansi, ukubambezeleka okuncane, ukulinganisa umthwalo, ukuhlukaniswa / ukufakwa / izinsiza zenethiwekhi zokususa ngaphandle, kanye nezingqinamba zohlobo lokuvikelwa zamukelwa. Kwezinqubomgomo zomzila we-L3 zokuxhumana ezingenakuxhunyaniswa, ezifana ne-SR-BE, umzila onamandla ungaqalwa usebenzisa i-SDN centralised umzila noma kusatshalaliswa imigomo yokuhambisa ye-BGP.

Ukuze kuhlanganiswe amasu wokuhambisa onobubanzi abaningi, amapharamitha wokuhambisa kufanele adluliselwe phakathi kwezendlalelo ezahlukahlukene zenethiwekhi kuqala, njengezindleko zomjikelezo wenkonzo, i-SRLG namanye amapharamitha, angadluliselwa kungqimba yeklayenti. Amapharamitha wokuxhumanisa okuxhumanisa isihlanganisi sezendlalelo zensizakalo angasetshenziselwa iklayenti. Ukubalwa kokujikeleza kwesendlalelo. Okwesibili, amazinga amaningi wokuhlangana okuhambisanayo womzila kufanele achaze izinhloso zokuhlanganisa izindlela ezihlanganisiwe ezihlukaniswe ngamasu amaningi, amasu kanye nezingqinamba zokufinyeleleka kokusebenza komzila wobubanzi obubanzi.

(III) Ukusebenza okuzenzakalelayo komjikelezo kanye nokunakekelwa okuzenzakalelayo kuyisidingo esiyisisekelo sokulawulwa kwezintambo zenethiwekhi

Izidingo zokuhlukaniswa kwenethiwekhi ye-5G ethwala kancane zicacile. Kuyadingeka ukuhlinzeka ophethe kunethiwekhi yenethiwekhi yezinhlobo ezahlukahlukene zensizakalo njenge-EMBB, eRLLC, ne-mMTC. Ukulawulwa kwesilayidi senethiwekhi iba yingxenye ebalulekile yohlelo lokulawula. Okokuqala, ekwakhiweni kokuphathwa kwezingcezu, isakhiwo sokuphathwa kwenethiwekhi samanje, imodeli yolwazi, nenqubo yokuxhumana interface isekela ukuphathwa kwenethiwekhi kwesilayidi nomsebenzi wokulawula; Okwesibili, isigaba sendawo yenethiwekhi sidinga ukuhlelwa okukhaliphile, futhi isilawuli senethiwekhi sinezimpawu zokuhlela kwenethiwekhi nokwenza kahle. Uhlelo lwenethiwekhi yokuphatha kanye nokulawula kufanele kube nokwethula ukuhlelwa kwesilayidi kanye nokwenza imisebenzi yokufakelwa; kwinqubo yokulawulwa kwesilayidi, ukuthunyelwa ngokuzenzakalela kanye nokuqapha kuyizimfuno eziyisisekelo zokusikwa kwenethiwekhi ye-5G, futhi inqubo evaliwe yokutholwa, ukudala, ukusebenza nokulondolozwa kwezinsizakusebenza zezinwele kufanele yakhiwe ukuqaphela ukuthunyelwa okuzenzakalelayo kanye nokusebenza kwenethiwekhi yezinyathelo. Ubukhulu, inethiwekhi yomthwali kufanele isekele umsebenzi wokusiza ngesandla; Ekugcineni, ngokuya ngezidingo zesilawuli esiphezulu kanye nohlelo lwe-orchestration, ngokusekelwe ezicini zobuchwepheshe zenethiwekhi ngayinye yesendlalelo, ukuphathwa kwesilayidi nokulawulwa kwezinsizakusebenza zenethiwekhi eningi, ngokususelwa ezimfunekweni zokusikwa zenethiwekhi ephezulu yenethiwekhi Ubuchwepheshe benethiwekhi yezici

(4) Ukusebenza ngobuhlakani nokugcina kuletha izici ezintsha kubuchwepheshe be-SDON

Ubuchwepheshe be-Artificial intelligence (AI) kuletha izici ezintsha ekuphathweni nasekuphatheni kwenethiwekhi. Ngokwazisa ukuhlaziya idatha enkulu kunethiwekhi ethwala futhi ukwethula amakhono okufunda ngomshini, ingabona inkinga yokuxazulula inkinga esezingeni lebhizinisi, ukuhlaziywa kwe-AI okusekelwe kubuhlakani, kanye nephutha lokuqonda ukusebenza kwe-Intelligent kwenethiwekhi kanye namandla okugcina anjengokuhlela nokwenza kahle okusekelwe ebhizinisini ukuqapha ukusebenza Umsebenzi ohlakaniphile wenethiwekhi nomsebenzi wokulondolozwa kufanele uxhase i-automation, i-loop evaliwe nokusebenza okukhaliphile nokunakekelwa kokusebenza kwenethiwekhi nokujikeleza impilo. Kwindawo enabathengisi abaningi, imvelo enethiwekhi enobuchwepheshe obahlukahlukene, imodeli yedatha ehlangene kufanele ichazwe ukukhipha idatha kunethiwekhi ethwala ukuhlaziya kokuziphatha kwenethiwekhi. Ngaphezu kwalokho, amamodeli wokuziphatha kufanele achazwe, njengokuthuthuka kwamathempulethi wokuphatha amaphutha kanye namamodeli wokuxwayisa ngethrafikhi ukuqondisa ukusebenza kobuhlakani nokugcinwa kwenethiwekhi

Okwesithathu, isifinyezo

Ngokuqala kobuchwepheshe be-5G kanye nokuvela kwezidingo zesicelo senethiwekhi ezinjengemigqa enikezelwe ngamafu, amanethiwekhi achazwa ngesoftware alethe izindawo eziningi ezintsha zokucwaninga. Ukusuka esimweni samanje sokumiswa, zombili izinhlelo zamazwe omhlaba nezasekhaya zenziwe ngamanethiwekhi achazwa ngesoftware. Indawo yokucwaninga elandelayo izoba ukuphathwa kwenethiwekhi enobubanzi obukhulu kanye nezakhiwo zokulawula, ukuphathwa kwezingxenyekazi zenethiwekhi, imodeli yolwazi yenethiwekhi eningi, nabalawuli abasuselwa kumlawuli. Ukuvuselelwa kokuvikelwa, njll. I-network echazwe yi-software echazwe yi-Software (SDON) izogudukela ekuphathweni okuhlanganyelanayo okuhlangene, ukusebenza ngobuhlakani nokulungiswa, futhi kuthuthukise futhi ukuphathwa kokulawula okuhlakaniphile kwenethiwekhi namandla okulawula ukusebenza nokusebenza kahle kokulungiswa.


Post time: Dec-04-2019