Software-yakatsanangurwa Optical network (SDON) inosanganisa software-yakatsanangurwa network (SDN) uye yekufambisa network. Iyo ndeye hotspot yekutsvaga mumunda wekutakura network maneja. Iyo ine akawanda anoshandiswa mumapaketi ekutakura network (PTN) uye ye-optical transport network (OTN). Uye mune network manejimendi dhizaini, ruzivo ruzivo, kuchamhembe-kumaodzanyemba interface, uye zvimwe zvinhu, kwakaumbwa nheyo dzematanho. Nekubuda kwezvinodikanwa zvekudzora senge 5G network tekinoroji uye yakakwirisa mitsara yakavanzika, zvinodikanwa zvekufambidzana kweyekutakura network network uye system system uye yekumusoro-dhaimendi service yekubatana orchestration yakajeka, uye inodikanwa kukwanisa kuzadzisa manejimendi inomiririra. uye automation network slice control neyekumusoro-dhaire bhizinesi manejimendi uye kutonga system. Kubva pane maonero ekuvandudza kugona kwekushanda uye kugadzirisa, zvinodikanwa kuti uve nehumwe hutsva seyakabatana manejimendi uye kutonga uye nekuchenjera kushanda uye kugadzirisa kweyekutakura kweneti manejimendi uye kutonga system.

Kutanga, SDON yepasi rese uye yepamusha kumira system yakanyatsokodzera

Panyaya yekumiswa kwedzimwe nyika, basa rekumisa redhiyo rekutumira SDON rinonyanya kupedzwa nemasangano akati wandei akadai sa ITU-T, ONF, uye IETF.

Iyo ITU-T hombe ITU-T inotarisa pane manejimendi nekugadzirisa kuvaka kweiyo 5G yekufambisa network, iyo network slice control, uye yeruzivo yemhando yeL0 layer kune L2 layer. Parizvino, ITU-T yapedzisa yakatemwa mbiri yeG.7701 general control uye ITU-T G.7702 yekufambisa network SDN yekuvakisa dhizaini maererano nekutonga uye kutonga kuvaka; ITU-T G.7711 ruzhinji ruzivo maererano netiweki ruzivo modhi Muenzaniso unotsanangura protocol-yakazvimirira yeruzivo modhi, ITU-T G.854.1 inotsanangura iyo L1 layer network network modhi, uye ITU-T G.807 (G.media) inotsanangura iyo L0 layer medium optical network manejimendi ekuvaka, ITU-T G.876 (G.media-mgmt) mabasa ekutonga uye nzira yekudzora yemhando yeanternet media media inotsanangurwa, ITU-T G.807 uye G.876 inotarisirwa kupedzwa. dzakatenderedza Chikunguru 2019 uye yakavandudzwa kuburikidza nekuongorora. Iyo inotevera ITU-T Q12 / 14 yeboka rinoshanda rinotarisa pane 5G manejimendi ekuvaka uye yekuenzanisira yekuenzanisira mune yekufambisa network SDN manejimendi uye kutonga, uye kutora iyo chaiyo network network (VN) yemhando yekutevedzera uye mutengi / server Context architecture yekutsigira. yokumusoro kweneti chikamu. Kuziva mashandiro ekutonga enetwork network, uye nekudzidza iyo network yekudzosera tekinoroji pasi peiyo centralized controller architecture.

ONF inonyanya kutarisa nezvebasa rinoenderana neiyo SDN yeruzivo muenzaniso weiyo yekufambisa network. Iyo inonyanya kuitirwa neiyo Network Information Model (OTIM) yekushanda boka. Yakagadzira zviyero zvinoenderana neiyo TR-512 Core Information Model (CIM) uye iyo TR-527 Transport API (TAPI) interface function functionation. Kutevera-up inonyanya kutarisa kuchengetedzwa kweneti, OAM ruzivo rwekuenzanisa, L0 safu OTSi ruzivo rwekuenzanisa uye rimwe basa rine hukama.

Iyo IETF inonyanya kutarisa pane yekudzora modhi yekutakura network, IP network uye network virtualization, uye inotsanangura network network yakavakirwa paYANG. Boka rayo reSEAS rinoshanda parizvino riri kunatsa iyo ACTN-based virtual network (VN) modhi yekudzora. Yayo traffic engineering (TE) tunaki uye TE topology mhando zvakapedziswa zvapera. Aya mamodheru anogona kushandiswa kwe protocol-yakazvimiririra yekubatanidza-yakatarisana ne-network maneja. Iyo network maneja uye mhando dzinoenderana neprotocol yakaumbwa muboka reCCAMP rinoshanda, kusanganisira OTN matauro, topologies, uye mabhizinesi mhando. Iyo IETF ichaenderera mberi nekukudziridza zviyero zve network virtualization, network slicing, 5G manejimendi uye zvimwe zvinhu, nekuvandudza ine hukama IETF YANG uye mashandisiro ayo.

Kazhinji, masangano ekumisidzana nedzimwe nyika akaita seITU-T, ONF, uye IETF akapedzisa basa rekumisa SDON. Parizvino, iko kutsvagiridzo pamhando ye5G yekudzora tekinoroji pamwe nekuvandudzwa kweruzivo rwemhando yakakodzera yetiya yekutakura inotariswa Panyaya yebasa repamhepo kumira pabasa, China Communications Standards Association (CCSA) yakagadzira sosi yakazara yakazara-yakatsanangurwa optical network standard system, inosanganisira general-chinangwa SDON manejimendi uye tekinoroji yekutaurisa, software-yakatsanangurwa optical transport network (SDOTN), uye software- yakatsanangurwa packet transport network (SPTN). Rondedzero yezviyero.

Chechipiri, software-yakatsanangurwa Optical network (SDON) kutsva kutsva hotspots kuoneka

Nekuuya kwe5G tekinoroji uye Cloud network yekubatana mashandisirwo, software-yakatsanangurwa optical network (SDON) yakabuda mamwe manyowani ekutsvagisa, kusanganisira kubatana manejimendi kutonga uye kutonga, dhizaini rakawanda network maneja uye kutonga, network matinji maneja, kungwara kushanda nekugadzirisa , uye kutonga. Kudzivirirwa kwechishandiso, nezvimwewo.

(1) Kubatana kudzora kunova ndiyo mhinduro huru yeSONON controller deployment

Smooth shanduko kubva kunetiweki, chengetedza iripo network network, uye panguva imwechete gadzira iyo network controller's control function uye zvetsika maneja mabasa zviite zvinoenderana mushandisi ruzivo, uye iyo network network ine kudiwa kwekubatana kutonga uye kutonga. Izvo zvikuru zvehunyanzvi maficha ezvekubatana manejimendi uye kutonga zvinosanganisira kutorwa kweimwe yakabatana manejimendi uye yekudzora chikuva kuzadzisa yakabatana kutumirwa kwekutonga, kutonga, uye nehungwaru mashandiro uye kugadzirisa; kutorwa kweiyo yakabatana yedata modhi yekudzivirira kupokana kwedatha pakati pemasisitimu akasiyana uye kuderedza maitiro ekuita system kunokonzerwa nekubvumirana kwedata; Iyo yakabatana kuchamhembe padandemutande interface inoshandiswa kupa yakavhurika interface yakavakirwa YANG modhi kuona hurongwa hwekushandisa network. Yakabatana control system Mune chaiyo network kutumirwa, iyo dunhu chikamu inogona kunge yakavakirwa netiweki kuita zvinodiwa yeiyo yakagoverwa control protocol, protocol inotsanangura nzvimbo yekusagadzikana yehumwe huwandu hwewetiweki yemukati, kudzikisa chiratidzo chinotakurisa network zvishandiso, kuvandudza basa dziviriro Dzosera kuita. Iyo domain controller inogona kupinda zvakananga kune inotakura sevhisi sevhisi yekushandisa kufambisa kwakapetwa kwemutongi, kana yakawanda-nhanho network dhizaini. Kuburikidza nemubatanidzwa mabasa emugadziri EMS / OMC uye iyo domain controller (DC), iyo yakabatana manejimendi uye kutonga kwezviwanikwa munharaunda yekutakura inogona kuitika; kuburikidza nekubatana kweyemusoro-chikamu asset manejimendi system uye inoshanda pamwe orchestrator uye yakavanzika-dhi-danho rekubatana controller (SC) yechitima network, Yakabatana orchestration yebhizimusi-domain bhizinesi.

(2) SDON inoda kugadzirisa dambudziko re-multi-layer network management uye kutonga

Iyo inotevera-chizvarwa chekufambisa network inotsigira akawanda network layita, kusanganisira L0 cm kune L3 layer network technologies. Tekinoroji dzakasiyana dzewebhuti dzinogona kushandiswa munzvimbo dzakasiyana, kana dzakawanda maturika etechnology zvigadziriso mune imwecheteyo domain domain. Software-yakatsanangurwa optical network inofanirwa kunge iine yakawanda-musana, yakawanda-domain network management mabasa.

Iko maneja emakawanda-musana uye akawanda-masyiti network anogona kutora imwe yakabatana yakawanda-yakasarudzika management network network, iyo inogona kuzikanwa nekucheka uye kuwedzera iwo muenzaniso pasi peyakajairwa modhi yezvivakwa. ITU-T G.7711 / ONF TR512 inotsanangudza yakajairika ruzivo runyararo. IETF inotsanangurirawo tekinoroji-yakazvimirira yeTV network network uye IP IP network modhi pasi pemubatanidzwa modhi yezvivakwa, ETH, ODU, L3VPN, optical layer, uye humwe hunyanzvi hwetaneti. Iyo yerudzi rwemhando yekufananidza inogona kuitirwa pahwaro hwemuenzaniso wepamusoro, kugadzirisa uye kuwedzera, uye kutsanangudza iyo yakabatana yekumusoro bhaidhi ruzivo rwemhando.

Uye zvakare, iyo yekutakura network manejimendi uye system yekudzora inofanirwa kunge iine kuronga pamwe nekuita mabasa ehupamhi- musana kweneti zviwanikwa kuti uwane kugadzikiswa kwakaringana kwemazhinji-musana network network zviwanikwa. Yechinongedzo-chakanangana nebasa rekufambisa raitiro, iyo yakabatana-yakatarisana yekubatana yekufambiswa kwetafitera mutemo uye zvinomiririra, zvinosanganisira L0 layer Optical chiteshi, L1 layer ODU / FlexE chiteshi, L2 layer ETH sevhisi, L3 layer SR-TP mumaki. akatorerwa Yakabatana nzira yekuverenga kuverenga uye yekumhanyisa maitiro ekumanikidza, akadai seyakaderera hop kuverenga, mashoma mutengo, kushoma kunonoka, mutoro kuyera, nzira kupatsanura / kusanganisa / kusasanganiswa network zviwanikwa, uye chinongedzo cherudziudzi wedzvinyiriro zvinotorwa. Kune L3 layer isina kubatana nzira dzekudzivirira, dzakadai seSR-BE, simba rekushandisa rinogona kuiswa uchishandisa SDN centralized routing kana kuparadzirwa BGP nzira yekushandisa.

Zvekubatana kwemaitiro akasanganiswa akawanda maitiro, ma parameter eparadziro anofanirwa kuendeswa pakati pezvikamu zvakasiyana zveetwork, sekunge mutengo wekutenderera wejira rebasa, SRLG uye mamwe ma paramitha, ayo anogona kupfuudzwa kune yeyaita mutengi. Iyo yekubatanidza inodzosera mutengo paramita yevharo rebasa rinogona kushandiswa kune mutengi. Layer inotenderera kuverenga. Kechipiri, akawanda mazinga eiyo nzira yekubatana optimization anofanirwa kutsanangura akawanda-akarongeka akabatana nzira yekubudirira zvinangwa, mazano uye zvinomiririra kuti awane akawanda-musana nzira optimization.

(III) automated yakazara-kutenderera kushanda uye kugadzirisa ndicho chinhu chakakosha chinodiwa cheetwork slice control

Zvinodiwa zvechikamu che5G mutakuri network zvakajeka zvishoma nezvishoma. Izvo zvinodiwa kupa iwo anotakura kune anotakura network kune akasiyana emhando masevhisi se eMBB, anomLLC, uye mMTC. Iko kudzora kwema network kipande kunova chikamu chakakosha chehutongi system. Kutanga, kune iyo maseke manejimendi ekuvaka, iyo ino takura network manejimendi dhizaini, ruzivo rwemhando, uye interface yekudyidzana maitiro kutsigira iyo slice network manejimendi uye kutonga basa; kechipiri, dandemutande network inoda kuronga zvinehungwaru, uye network slice control ine hunhu hwekuronga netiweki uye nekushandisa. Iyo inotakura network maneja uye system yekudzora inofanirwa Kusuma mutsva wediki kuronga pamwe nekufambisa mabasa ekupa; for the slice management process, otomatiki kutumira pamwe nekutarisa ndizvo zvakakosha zvinodiwa zve5G network slicing, uye yakavharwa-loop maitiro ekuwanikwa, kugadzira, kushanda uye kuchengetedza kwezvinhu zvemachekwa zvinofanirwa kuumbwa kuti zvizozvizadza kutungamira uye mashandiro eceyiti network. Dimensions, iyo inotakura network inofanira kutsigira bhuku remanyorero basa; pakupedzisira, zvichienderana nezvinodiwa nemutongi wepamusoro uye yechecheti system, zvichienderana nehunyanzvi hwehumwe hwekutenderera network, hutongi hwekutarisira nekutonga kwezvikamu zvemukati zvetiweki zviwanikwa, zvichienderana nezvinodiwa zvemanyoka epamusoro sosi yedandemutande uye tekinoroji yemutakuri network Zvimiro zvinomisikidza iyi wedimbu slice network manejimendi.

(4) Intelligent kushanda uye kugadzirisa inounza hunyowani kune SDON tekinoroji

Artificial intelligence (AI) tekinoroji inounza hunyowani maitiro kune network maneja uye kutonga. Nekuunza yakakura data kuongororwa kune anotakura network uye nekudzidzira mashini ekudzidza, inogona kuziva bhizinesi-centric kungwara kugadzirisa, AI-yakavakirwa yakangwara kukanganisa kuongororwa, uye akangwara mhosva yega- Intelligent network kushanda nekugadzirisa yakadai sekuronga pamwe nekufambisirwa kunoenderana nebhizinesi. performance performance. Iyo network inehungwaru inoshanda uye yekuchengetedza basa rinofanira kutsigira otomatiki, yakavharwa chiuno uye nekuchenjera kushanda uye kuchengetedza kwetiweki kushanda nekuchengetedza hupenyu kutenderera. Mune yakawanda-mutengesi, yakawanda-yedunhu, yakawanda-tekinoroji nharaunda nharaunda, iyo yakabatana yedhivedhi modhi inofanirwa kutsanangurwa kubvisa dhata kubva kune anotakura network yekuongororwa kwe network maitiro. Uye zvakare, maitiro emhando dzinofanirwa kutsanangurwa, sekukudziridza kukanganisa kwematemplate uye nemayambiro ekunyevera emigwagwa kutungamira kushanda kwehungwaru nekuchengetedza kwetiweki.

Yetatu, pfupiso

Nekuuya kwe5G tekinoroji uye nekubuda kwezvinodiwa zvetiweki senge mitsara yakatsaurwa-gore, software-inotsanangurwa yemagetsi network yakaunza akawanda matsva ekutsvagisa nzvimbo. Kubva pane zvazvino mamiriro ekumira, ese epasi rese uye epamba zviyero masisitimu akaumbwa ane software-inotsanangurwa optical network. Iyo inotevera yekutsvahira hotspot ichava yakawanda-musana network maneja uye kutonga aratidziro, network slice manejimendi, akawanda-mafuratidziro eruzivo rwekombiyuta network, uye controller-based controllers. Dziviriro yekudzora, etc. Software-yakatsanangurwa optical network (SDON) ichaenderera kune yakabatana manejimendi manejimendi, kushanda nekuchenjera nekugadzirisa, nekuvandudza nharembozha yekuchenjera manejimendi nekudzora kugona nekushanda nekugadzirisa zvinobudirira.