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Bambanci tsakanin SONET, SDH da DWDM

SONET (Cibiyar Sadarwar Yanar Gizo Mai Haɗi)
SONET shine ma'aunin watsa cibiyar sadarwa mai sauri a cikin Amurka. Yana amfani da fiber na gani azaman matsakaicin watsawa don watsa bayanan dijital a cikin zobe ko shimfidar wuri-zuwa-aya. A ainihinsa, yana aiki tare da gudanawar bayanai ta yadda sigina daga tushe daban-daban za su iya ninkawa ba tare da bata lokaci ba akan hanyar sigina gama gari mai sauri. SONET yana wakilta ta matakan OC (mai ɗaukar hoto), kamar OC-3, OC-12, OC-48, da sauransu, inda lambobin ke wakiltar maɓalli na ainihin naúrar OC-1 (51.84 Mbps). An tsara tsarin gine-ginen SONET tare da kariya mai ƙarfi da ƙarfin dawo da kai, don haka galibi ana amfani da shi a cikin hanyoyin sadarwar kashin baya.

SDH (Madaidaitan Dijital na Daidaitawa)
SDH asali daidai ne na duniya daidai da SONET, galibi ana amfani dashi a Turai da sauran yankuna da ba na Amurka ba. SDH yana amfani da matakan STM (Module Transport Module) don gano saurin watsawa daban-daban, kamar STM-1, STM-4, STM-16, da sauransu, inda STM-1 yayi daidai da 155.52 Mbps. SDH da SONET suna yin mu'amala a cikin cikakkun bayanai na fasaha da yawa, amma SDH yana ba da ƙarin sassauci, kamar ƙyale sigina daga maɓuɓɓuka daban-daban don haɗawa cikin sauƙi cikin fiber na gani guda ɗaya.

DWDM (Dense Wavelength Division Multiplexing)
DWDM fasaha ce ta watsa cibiyar sadarwa ta fiber optic wacce ke haɓaka bandwidth ta hanyar watsa siginar gani da yawa na tsawon tsayi daban-daban a lokaci guda akan fiber na gani ɗaya. Tsarin DWDM na iya ɗaukar sigina fiye da 100 na tsawon raƙuman ruwa daban-daban, kowannensu ana iya ɗaukarsa azaman tashar mai zaman kanta, kuma kowane tashoshi na iya watsawa a farashi daban-daban da nau'ikan bayanai. Aikace-aikacen DWDM yana ba masu aikin cibiyar damar haɓaka ƙarfin cibiyar sadarwa sosai ba tare da sanya sabbin igiyoyi na gani ba, wanda ke da matukar mahimmanci ga kasuwar sabis ɗin bayanai tare da haɓakar fashewar buƙatu.

Bambance-bambance tsakanin ukun
Kodayake fasahohin uku sun yi kama da juna a cikin ra'ayi, har yanzu sun bambanta a ainihin aikace-aikacen:

Matsayin fasaha: SONET da SDH galibi ma'aunin fasaha ne guda biyu masu jituwa. Ana amfani da SONET a Arewacin Amirka, yayin da SDH aka fi amfani dashi a wasu yankuna. DWDM fasaha ce mai tsayi mai tsayi wacce ake amfani da ita don watsa sigina masu kamanceceniya da yawa maimakon ka'idojin tsarin bayanai.

Adadin bayanai: SONET da SDH sun bayyana ƙayyadaddun ɓangarorin ƙima don watsa bayanai ta takamaiman matakai ko kayayyaki, yayin da DWDM ta fi mai da hankali kan haɓaka ƙimar watsa bayanai gabaɗaya ta ƙara tashoshin watsawa a cikin fiber na gani iri ɗaya.

Sauƙaƙewa da haɓakawa: SDH yana ba da ƙarin sassauci fiye da SONET, sauƙaƙe hanyoyin sadarwa na duniya, yayin da fasahar DWDM ke ba da babban sassauci da haɓakawa a cikin ƙimar bayanai da amfani da bakan, yana barin cibiyar sadarwa ta faɗaɗa yayin da buƙatu ke girma.

Wuraren aikace-aikace: SONET da SDH galibi ana amfani dasu don gina hanyoyin sadarwa na baya da tsarin kariya da dawo da kai, yayin da DWDM shine mafita don watsa cibiyar sadarwa mai nisa da matsananci mai nisa, ana amfani da shi don haɗin kai tsakanin cibiyoyin bayanai ko ta jirgin ruwa. tsarin igiyoyi, da dai sauransu.

A taƙaice, SONET, SDH da DWDM sune mahimman fasahohi don gina hanyoyin sadarwar fiber na gani na yau da gobe, kuma kowace fasaha tana da nata yanayin aikace-aikace na musamman da fa'idodin fasaha. Ta hanyar zaɓi da aiwatar da waɗannan fasahohi daban-daban yadda ya kamata, masu gudanar da cibiyar sadarwa za su iya gina ingantacciyar hanyar sadarwa, abin dogaro da saurin watsa bayanai a duk duniya.

Za mu kawo kayayyakin mu na DWDM da DCI BOX don halartar bikin Tech na Afirka, dalla-dalla kamar haka:
Booth NO. da D91A.
Rana: Nuwamba 12-14th, 2024.
Ƙara: Cibiyar Taro ta Duniya ta Cape Town (CTICC)

Da fatan ganin ku a can!


Lokacin aikawa: Nuwamba-06-2024