SONET (Cibiyar Sadarwa ta Ganuwa Mai Daidaitawa)
SONET ƙa'idar watsawa ta hanyar sadarwa mai sauri ce a Amurka. Tana amfani da zare mai gani a matsayin hanyar watsawa don aika bayanai na dijital a cikin tsari na zobe ko ma'ana-zuwa-ma'ana. A cikin zuciyarta, tana daidaita kwararar bayanai ta yadda sigina daga tushe daban-daban za a iya ninka su ba tare da ɓata lokaci ba akan hanyar sigina ta gama gari mai sauri. SONET tana wakiltar matakan OC (mai ɗaukar hoto), kamar OC-3, OC-12, OC-48, da sauransu, inda lambobi ke wakiltar ninki na na'urar asali ta OC-1 (51.84 Mbps). An tsara tsarin SONET tare da kariyar ƙarfi da ƙarfin dawo da kai, don haka sau da yawa ana amfani da shi a cikin hanyoyin sadarwa na baya.
SDH (Matsakaicin Tsarin Dijital Mai Daidaitawa)
SDH a takaice dai daidai yake da SONET na ƙasashen duniya, wanda galibi ana amfani da shi a Turai da sauran yankuna da ba na Amurka ba. SDH tana amfani da matakan STM (Synchronous Transport Module) don gano saurin watsawa daban-daban, kamar STM-1, STM-4, STM-16, da sauransu, inda STM-1 yake daidai da 155.52 Mbps. SDH da SONET suna da alaƙa a cikin cikakkun bayanai na fasaha da yawa, amma SDH yana ba da ƙarin sassauci, kamar barin sigina daga tushe daban-daban su kasance cikin sauƙin haɗawa cikin fiber na gani ɗaya.
DWDM (Mai yawa na Rabawar Wavelength Mai yawa)
DWDM fasaha ce ta watsa hanyar sadarwa ta fiber optic wadda ke ƙara yawan bandwidth ta hanyar watsa siginar gani da yawa na tsawon tsayi daban-daban a lokaci guda akan fiber optic iri ɗaya. Tsarin DWDM na iya ɗaukar sigina sama da 100 na tsawon tsayi daban-daban, kowannensu ana iya ɗaukarsa a matsayin tashar mai zaman kanta, kuma kowane tashar na iya watsawa a farashi daban-daban da nau'ikan bayanai. Aikace-aikacen DWDM yana bawa masu aiki da hanyar sadarwa damar faɗaɗa ƙarfin hanyar sadarwa sosai ba tare da sanya sabbin kebul na gani ba, wanda yake da matuƙar muhimmanci ga kasuwar sabis ɗin bayanai tare da ƙaruwar buƙata.
Bambance-bambance tsakanin ukun
Duk da cewa fasahohin guda uku suna kama da juna a cikin ra'ayi, har yanzu suna da bambanci a aikace-aikacen gaske:
Ma'aunin fasaha: SONET da SDH galibi ƙa'idodi ne guda biyu masu jituwa da fasaha. Ana amfani da SONET galibi a Arewacin Amurka, yayin da SDH aka fi amfani da shi a wasu yankuna. DWDM fasaha ce ta ninka tsawon rai wadda ake amfani da ita don watsa sigina masu layi ɗaya da yawa maimakon ƙa'idodin tsarin bayanai.
Adadin bayanai: SONET da SDH sun ayyana sassan ƙimar da aka ƙayyade don watsa bayanai ta hanyar takamaiman matakai ko kayayyaki, yayin da DWDM ta fi mai da hankali kan ƙara yawan ƙimar watsa bayanai ta hanyar ƙara tashoshin watsawa a cikin fiber ɗin gani iri ɗaya.
Sauƙin Sauƙi da Sauƙin Sauƙi: SDH tana ba da sassauci fiye da SONET, tana sauƙaƙe sadarwa ta ƙasa da ƙasa, yayin da fasahar DWDM ke ba da sassauci da kuma sauye-sauye a cikin ƙimar bayanai da amfani da bakan, wanda ke ba da damar hanyar sadarwa ta faɗaɗa yayin da buƙata ke ƙaruwa.
Yankunan aikace-aikace: Sau da yawa ana amfani da SONET da SDH don gina hanyoyin sadarwa na baya da tsarin kariya da dawo da kansu, yayin da DWDM mafita ce don watsa hanyar sadarwa ta gani mai nisa da ta nesa, wanda ake amfani da shi don haɗi tsakanin cibiyoyin bayanai ko a cikin tsarin kebul na ƙarƙashin ruwa, da sauransu.
A taƙaice, SONET, SDH da DWDM manyan fasahohi ne don gina hanyoyin sadarwa na fiber optic na yau da kuma nan gaba, kuma kowace fasaha tana da nata yanayin aikace-aikace na musamman da fa'idodin fasaha. Ta hanyar zaɓar da aiwatar da waɗannan fasahohi daban-daban yadda ya kamata, masu gudanar da hanyoyin sadarwa za su iya gina hanyoyin sadarwa masu inganci, abin dogaro da sauri a duk faɗin duniya.
Za mu kawo kayayyakinmu na DWDM da DCI BOX don halartar bikin fasahar Afirka, cikakkun bayanai kamar haka:
Lambar Rukunin shine D91A,
Kwanan wata: 12 ga Nuwamba ~ 14, 2024.
Ƙara: Cibiyar Taro ta Duniya ta Cape Town (CTICC)
Ina fatan ganinka a can!
Lokacin Saƙo: Nuwamba-06-2024