Emva kokuba inethiwekhi ye-DCI ingenise iteknoloji ye-OTN, kufana nokongeza umsebenzi wonke owawungekho ngaphambili ngokwemigaqo yokusebenza. Inethiwekhi yedatha yendabuko yinethiwekhi ye-IP, eyinxalenye yeteknoloji yenethiwekhi enengqondo. I-OTN kwi-DCI yiteknoloji yeleya ebonakalayo, kwaye indlela yokusebenza neleya ye-IP ngendlela enobuhlobo nelula yindlela ende yokusebenza.
Okwangoku, injongo yokusebenza okusekelwe kwi-OTN iyafana neyenkqubo nganye engaphantsi kweziko ledatha. Zonke zijolise ekwandiseni ukusebenza kakuhle kwezixhobo ezityalwe kwiziseko zophuhliso ezibiza kakhulu kunye nokubonelela ngenkxaso engcono kwiinkonzo eziphezulu. Ukuphucula uzinzo lwenkqubo esisiseko, ukwenza lula umsebenzi wokusebenza nokugcina, ukunceda ekwabiweni kwezixhobo ngendlela efanelekileyo, ukwenza izixhobo ezityalwe zidlale indima enkulu, kunye nokwabela izixhobo ezingatyalwanga ngokufanelekileyo.
Ukusebenza kwe-OTN kubandakanya ikakhulu amacandelo aliqela: ulawulo lwedatha yokusebenza, ulawulo lweeasethi, ulawulo loqwalaselo, ulawulo lwe-alamu, ulawulo lokusebenza, kunye nolawulo lwe-DCN.
1 Idatha Yokusebenza
Yenza izibalo kwidatha yempazamo, yahlula iimpazamo zabantu, iimpazamo zehardware, iimpazamo zesoftware, kunye neziphene zomntu wesithathu, kwaye wenze uhlalutyo lwezibalo kwiintlobo zeziphene eziphezulu, wenze izicwangciso zokucubungula ezijolise kuzo, kwaye uvule indlela yokucubungula ngokuzenzekelayo iziphene emva kokumiswa kwemigangatho kwixesha elizayo. Ngokohlalutyo lwedatha yempazamo, inkqubo ilungiselelwe umsebenzi wexesha elizayo njengoyilo lwezakhiwo kunye nokukhethwa kwezixhobo, ukuze kuncitshiswe iindleko zomsebenzi wamva nje kunye nomsebenzi wokulungisa. Kwi-OTN, yenza izibalo zempazamo ezivela kwi-optical amplifiers, iibhodi, iimodyuli, ii-multiplexers, ii-cross-device jumpers, ii-trunk fibers, iinethiwekhi ze-DCN, njl., thatha inxaxheba kubungakanani bomenzi, ubukhulu bomntu wesithathu, njl., kwaye wenze uhlalutyo lwedatha olunemilinganiselo emininzi ukuze ufumane idatha echanekileyo ngakumbi. Ingabonakalisa ngokuchanekileyo imeko ekhoyo yenethiwekhi.
Yenza izibalo kwidatha yotshintsho, yahlula ubunzima kunye nefuthe lotshintsho, yabela abasebenzi, kwaye wenze utshintsho ngokwenkqubo yohlalutyo lwemfuno, isicwangciso sotshintsho, iwindow yokuseta, yazisa abasebenzisi, ukuphunyezwa komsebenzi, kunye nophononongo olufutshane, kwaye ekugqibeleni inokwenza utshintsho olwahlukileyo. Yahlulwe yaba ziifestile, icwangciswe ukuba yenziwe emini, ukuze ukwabiwa kwabasebenzi abatshintshayo kube sengqiqweni ngakumbi, kuncitshiswe uxinzelelo lomsebenzi nobomi, kwaye kuphuculwe ulonwabo lweenjineli ezisebenzayo. Ingadibanisa idatha yokugqibela yezibalo kwaye iyisebenzise njengesalathiso sokusebenza kakuhle kwabasebenzi kunye nokukwazi ukusebenza. Kwangaxeshanye, ikwavumela utshintsho oluqhelekileyo ukuba luphuhliswe kwicala lokulinganisa kunye nokuzenzela, kuncitshiswe iindleko ezahlukeneyo.
Qokelela izibalo malunga nokusasazwa kweenkonzo ze-OTN ukuze zikuncede uhlale unolwazi ngokusetyenziswa kwenethiwekhi kwaye ulawule ukusasazwa kwenethiwekhi kwinethiwekhi ngokubanzi kunye nokusasazwa kweenkonzo emva kokunyuka komthamo weshishini. Ukuba uwenza nzima, ungazi ukuba yeyiphi inkonzo yenethiwekhi esetyenziswa yitshaneli enye, njengenethiwekhi yangaphandle, i-intranet, inethiwekhi ye-HPC, inethiwekhi yenkonzo yelifu, njl. Ukuba uwenza ngokweenkcukacha, ungadibanisa inkqubo epheleleyo yokuhamba ukuze uhlalutye ukusetyenziswa kwetrafikhi ethile yeshishini. Iindleko ezahlukeneyo zebhendiwidi zabelwe amasebe ahlukeneyo eshishini ukuze abancede baphucule itrafikhi yeshishini, baphinde basebenzise kwaye balungise iindlela zokusebenza ezingasetyenziswa kakhulu nangaliphi na ixesha, kwaye bandise iindlela zoshishino ezisetyenziswa kakhulu.
Idatha yozinzo lwezibalo, eyidatha ephambili yesalathiso se-SLA, ikwalikrele leDamocles entlokweni yabo bonke abasebenzi bokusebenza nokugcina. Izibalo zedatha yozinzo ze-OTN kufuneka zahlulwe ngenxa yokhuseleko lwazo. Umzekelo, ukuba indlela enye iphazamisekile, i-bandwidth iyonke kumaleko we-IP ayizukuchaphazeleka, nokuba iza kubandakanywa kwi-SLA; ukuba i-bandwidth ye-IP incitshisiwe ngesiqingatha, kodwa ishishini alizukuchaphazeleka, nokuba iza kubandakanywa kwi-SLA; Nokuba ukusilela kwetshaneli enye kufakiwe kwi-SLA; ukwanda kokulibaziseka kwendlela yokukhusela akuchaphazeli i-bandwidth yenethiwekhi, kodwa kunempembelelo kwishishini, nokuba ifakiwe kwi-SLA, njalo njalo. Isiqhelo esiqhelekileyo kukwazisa icala leshishini ngemingcipheko efana ne-jitter kunye notshintsho lokulibaziseka ngaphambi kokwakhiwa. I-SLA yamva ibalwa ngokusekelwe kwinani leetshaneli ezinempazamo * i-bandwidth yetshaneli enye enempazamo, yahlulwe linani lilonke leetshaneli * isixa se-bandwidth yetshaneli ehambelanayo, kwaye emva koko iphindaphindwe ngo Ngokusekelwe kwixesha lempembelelo, ixabiso elifunyenweyo lisetyenziswa njengomgangatho wokubala we-SLA.
2 Ulawulo lweeAsethi
Iiasethi zezixhobo ze-OTN nazo zifuna ulawulo lomjikelo wobomi (ukufika, kwi-intanethi, ukukrazula, ukuphathwa kweempazamo), kodwa ngokungafaniyo neeseva, iiswitshi zenethiwekhi kunye nezinye izixhobo, ulwakhiwo lwezixhobo ze-OTN luyinkimbinkimbi ngakumbi. Izixhobo ze-OTN ziquka inani elikhulu leebhodi ezisebenzayo, ngoko ke kuyimfuneko ukuyila imo yolawulo olupheleleyo lweeasethi ngexesha lolawulo. Iqonga eliphambili lolawulo lweeasethi ze-IP kwiziko ledatha lisekwe kwiiseva kunye neeswitshi, kwaye inqanaba lesixhobo se-master-slave liya kuseta. Ngokwale siseko se-OTN, inqanaba le-master-slave liya kubandakanya ulawulo oluhambelanayo, kodwa kukho iileya ezingaphezulu. Inqanaba lolawulo lenziwa ikakhulu yi-network element->subrack->board card->module:
2.1. Isixhobo senethiwekhi sisixhobo esibonakalayo, esingenazo izinto ezibonakalayo. Sisetyenziselwa ulawulo kunye nenqaku lokuqala elinengqondo kwinethiwekhi ye-OTN, kwaye sikwiyunithi yenqanaba lokuqala kulawulo lwenethiwekhi ye-OTN. Igumbi lezixhobo ezibonakalayo linokuba ne-NE enye okanye ii-NE ezininzi. Isixhobo senethiwekhi siqulethe ii-subrack ezininzi, ezifana nee-subrack ze-optical layer, ii-subrack ze-electric layer, kunye nee-multiplexers zangaphandle kunye nee-demultiplexers nazo zithathwa njenge-subrack. I-subrack nganye inokudityaniswa ngochungechunge kwaye ikwi-subrack ngaphakathi kwendawo yesixhobo senethiwekhi enye. Ukubhala amanani. Ukongeza, i-network element ayinayo inombolo ye-SN ye-asethi, ngoko ke kufuneka ihambelane neqonga lolawulo kule nkalo, ngakumbi ngolwazi olukuluhlu lokuthenga kunye neqonga lolawulo lokusebenza nokugcinwa kamva, ukuze kuthintelwe uphando lwee-asethi ezingahambelaniyo. Emva kwayo yonke loo nto, i-network element yi-asethi ebonakalayo. .
2.2. Iyunithi enkulu ebonakalayo yezixhobo ze-OTN yi-chassis, oko kukuthi, i-subrack, ekwinqanaba lesibini le-network element yenqanaba lokuqala. Yiyunithi yenqanaba lesibini, kwaye i-network element inesixhobo esinye ubuncinane se-subrack. Ezi subrack zahlulwe zaba ziimodeli ezahlukeneyo zabavelisi abahlukeneyo, ezinemisebenzi eyahlukeneyo, kubandakanya ii-electronic subrack, ii-photon subrack, ii-general subrack, njalo njalo. I-subrack inenombolo ethile ye-SN, kodwa inombolo yayo ye-SN ayinakufunyanwa ngokuzenzekelayo ngeqonga lolawulo lwenethiwekhi, kwaye inokujongwa kuphela kwindawo. Akunqabile ukuhambisa nokutshintsha i-subrack emva kokuba ikwi-intanethi. Iibhodi ezahlukeneyo zifakwa kwi-subrack.
2.3. Ngaphakathi kwi-subrack yenqanaba lesibini le-OTN, kukho iindawo ezithile zenkonzo zokubeka. Ezi ndawo zineenombolo kwaye zisetyenziselwa ukufaka iibhodi zenkonzo ezahlukeneyo zeenethiwekhi ze-optical. Ezi bhodi zisisiseko sokuxhasa iinkonzo zenethiwekhi ye-OTN, kwaye ibhodi nganye inokubuza nge-SN yayo ngenkqubo yolawulo lwenethiwekhi. Ezi bhodi ziiyunithi zenqanaba lesithathu kulawulo lweeasethi ze-OTN. Iibhodi zeshishini ezahlukeneyo zinobukhulu obahlukeneyo, zihlala kwiindawo ezahlukeneyo, kwaye zinemisebenzi eyahlukeneyo. Ke ngoko, xa ibhodi kufuneka inikwe i-subrack yeyunithi yenqanaba lesibini, iqonga leasethi kufuneka livumele ibhodi enye ukuba isebenzise iindawo ezininzi okanye ezisisiqingatha ukuze zihambelane namanani e-slot kwi-subrack.
2.4. Ulawulo lweeasethi zemodyuli ye-Optical. Iimodyuli zixhomekeke ekusetyenzisweni kweebhodi zenkonzo. Zonke iibhodi zeshishini kufuneka zivumele ubunini bemodyuli ye-optical, kodwa ayizizo zonke iibhodi zezixhobo ze-OTN ekufuneka zifakwe kwiimodyuli ze-optical, ngoko ke iibhodi nazo mazivunyelwe ukuba zingene Akukho modyuli ikhoyo. Imodyuli nganye ye-optical inenombolo ye-SN, kwaye imodyuli efakwe ebhodini kufuneka ihambelane nenombolo yezibuko zebhodi ukuze kube lula ukukhangela indawo.
Lonke olu lwazi lunokuqokelelwa ngokusebenzisa ujongano oluya emantla lweqonga lolawulo lwenethiwekhi, kwaye ukuchaneka kolwazi lweasethi kunokulawulwa ngokuqokelelwa kwi-intanethi kunye nokuqinisekiswa kunye nokufaniswa ngaphandle kwe-intanethi. Ukongeza, izixhobo ze-OTN nazo zibandakanya ii-optical attenuators, ii-short jumpers, njl. Ezi zixhobo zingasetyenziswa ngokuthe ngqo zinokulawulwa njengezinto ezisetyenziswayo.
Ixesha lokuthumela: Disemba-12-2022