Ensimini yamanethiwekhi okuxhumana, ukuthuthukiswa kwezindawo zokubona kuwukuguqula. Lezi zindawo zidlala indima ebalulekile ekuhanjisweni kwemininingwane, izwi nelividiyo, futhi ukuthuthukiswa kwazo kuthinte kakhulu ukusebenza kanye nejubane lezinhlelo zesimanje zokuxhumana. Kule bhulogi, sizohlola ukuvela kwezindawo zokubona kanye neqhaza labo kwinguquko yenethiwekhi yezokuxhumana.
Umqondo weama-stickical nodeizinsuku zibuyele ezinsukwini zokuqala ze-fiber optic technology. Ekuqaleni, lezi zindawo zazingamadivayisi alula asetshenziselwa ukuguqula amasiginali abonakalayo abe amasiginali kagesi nokuphikisana nalokho. Zisebenza njengendawo yokuxhuma phakathi kwamanethiwekhi we-fiber optic kanye nengqalasizinda yezokuxhumana esekwe kwikhompiyutha. Kodwa-ke, njengoba kuthuthuka ubuchwepheshe, iqhaza lezindawo zokudla okubonakalayo ziyaqhubeka ukunwebeka, futhi ziye zaba yingxenye ebaluleke kakhulu ekuthumelweni kwamanethiwekhi okuxhumana athuthukile.
Enye yentuthuko ebalulekile kubuchwepheshe be-Optical Node ukuhlanganiswa kokusebenza kwe-wavelength division MultenChing (WDM). I-WDM ivumela ukusakazwa kwedatha okuningi ukuze kudluliselwe ngasikhathi sinye ngaphezulu kwe-fiber eyodwa usebenzisa ama-wavelength ahlukene. Ubuchwepheshe bukhulisa kakhulu amandla kanye nokusebenza kahle kwamanethiwekhi we-Optical, okwenza ukuhanjiswa kwamanani amakhulu wedatha ngesivinini esikhulu.
Enye intuthuko enkulu kubuchwepheshe be-Optical Node ukuhlanganiswa kwama-amplifier aptical. Lezi zimpili zisetshenziselwa ukwandisa amandla amasiginali we-optical, ukuvumela ukuthi badluliselwe amabanga amakhulu ngaphandle kwesidingo semishini yokuvuselelwa kabusha kwezimpawu eziyinkimbinkimbi. Ukufakwa kwama-amplifiers we-optical amplifiers ku-aptical node kushintshe umdlalo wamanethiwekhi okuxhumana amabanga amade, okwenza ukuhanjiswa kwamandla aphezulu, ukuxhumana okuphezulu okuphezulu kwamabanga amade.
Ngaphezu kwalokho, ukuthuthukiswa kwama-node abonakalayo kuholele ekuthuthukisweni kwama-optical actical add-drop Multiplexers (Roadms). Lawa madivaysi avumela abahlinzeki benethiwekhi ukuthi baphinde bakwazi ukuphinda bathole izindlela ze-Optical Pheres ngaphakathi kwamanethiwekhi abo, zivumela ukwabiwa okunamandla kwe-bandwidth kanye nokwandisa ukuguquguquka kwenethiwekhi. I-Optical-enikwe amandla ama-stickical node adlalwa indima ebalulekile ekuthumelweni kwamanethiwekhi okuxhumana, amanethiwekhi okuvumelana nezimo akwazi ukuhlangabezana nezidingo ezikhulayo ze-bandwidth nokuxhumana.
Intuthuko yakamuva kubuchwepheshe be-Optical Node ehlanganisa ukuhlanganiswa kwamakhono okuchazwa kwe-Intelligent Software (SDN). Lokhu kuvumela ukulawula okuphakathi nokuphathwa kwamanethiwekhi amehlo amehlo, okwenza ukucushwa okunamandla kwezinsizakusebenza zenethiwekhi kanye nobunjiniyela bethrafikhi obusebenzayo. Ama-sdn anikwe amandla ama-stoplical node avule indlela yokuthuthuka kwamanethiwekhi okuzenzela kanye nokuzipholisa kokuxhumana, okwazi ukuzivumelanisa nokushintsha izimo zenethiwekhi ngesikhathi sangempela.
Ngokufingqa, ukuthuthukiswa kweama-stickical nodeUdlale indima ebalulekile ekuguqukeni kwamanethiwekhi okuxhumana. Ukusuka kumadivayisi wokuguqulwa wesiginali alula ukuya kwizingxenye eziyinkimbinkimbi ezihlakaniphile zenethiwekhi, ama-aptical node adlala indima ebalulekile ekunikezeni ukuthunyelwa kwamanethiwekhi aphezulu, amanethiwekhi aphezulu ezokuxhumana. Njengoba ubuchwepheshe buqhubeka buqhubekisela phambili, singabheka phambili ekuqhubekeni kwezinto ezintsha kubuchwepheshe be-Optical Node, bashayela ukuvela okuqhubekayo kwamanethiwekhi okuxhumana futhi bakha ikusasa lokuxhumana.
Isikhathi sePosi: Mar-28-2024