Fasahar PON da ka'idojin sadarwar sa

Takaitacciyar fasahar PON da ka'idojin sadarwarta: Wannan labarin ya fara gabatar da ra'ayi, ka'idar aiki da halayen fasahar PON, sannan yayi magana dalla-dalla game da rarraba fasahar PON da halayen aikace-aikacenta a cikin FTTX.Manufar labarin shine yin bayani dalla-dalla kan ka'idodin sadarwar da ake buƙatar bi a cikin shirye-shiryen hanyar sadarwar fasahar PON don jagorantar ainihin ginin cibiyar sadarwa da inganta aikin.
Mahimman kalmomi: PON;OLT;ONU;ODN;EPON;GPON

1. Bayanin fasaha na PON fasahar PON (Passive Optical Network, Passive Optical Network) fasaha ce ta hanyar sadarwa da ke amfani da fiber na gani a matsayin hanyar watsawa kuma yana gane watsa bayanai ta hanyar na'urorin gani masu wucewa.Fasahar PON tana da fa'ida na nesa mai nisa, babban bandwidth, ƙarfin hana tsangwama, da ƙarancin kulawa, don haka an yi amfani da shi sosai a fagen hanyoyin sadarwa.Cibiyar sadarwar PON ta ƙunshi sassa uku:OLT(Tsarin Layin Layi na gani, tashar layin gani na gani), ONU (Naúrar hanyar sadarwa ta gani, naúrar cibiyar sadarwa ta gani) da ODN (Network Distribution Network, cibiyar rarrabawar gani).

2. Rarraba fasahar PON da halayen aikace-aikace a fasahar FTTX PON an raba su zuwa nau'i biyu: EPON (Ethernet PON, Ethernet Passive Optical Network) da kumaGPON(Gigabit-Cable PON, Gigabit Passive Optical Network).EPON ya dogara ne akan ka'idar Ethernet, yana da babban dacewa da sassauci, kuma ya dace da yanayin kasuwanci iri-iri.GPON yana da mafi girman saurin watsawa da mafi kyawun damar tallafin sabis, kuma ya dace da yanayin yanayi tare da babban bandwidth da buƙatun QoS.A cikin aikace-aikacen FTTX (Fiber To The X), fasahar PON tana taka muhimmiyar rawa.FTTX tana nufin gine-ginen cibiyar sadarwa wanda ke shimfiɗa fiber gani kusa da wuraren masu amfani ko kayan aikin mai amfani.Dangane da matakai daban-daban na shimfidar fiber na gani, FTTX za a iya raba su zuwa nau'i daban-daban kamar FTTB (Fiber To The Building) da FTTH (Fiber To The Home).A matsayin daya daga cikin mahimman hanyoyin aiwatarwa na FTTX, fasahar PON tana ba masu amfani da haɗin kai mai sauri da kwanciyar hankali.

3. Ka'idodin sadarwar fasahar PON A cikin tsara hanyar sadarwar fasahar PON, ana buƙatar bin ka'idodin hanyar sadarwa masu zuwa:
Gine-ginen hanyar sadarwa yana da sauƙi kuma mai inganci:ya kamata a rage matakan cibiyar sadarwa da adadin nodes kamar yadda zai yiwu don rage hadaddun cibiyar sadarwa da farashin kulawa.A lokaci guda, wajibi ne don tabbatar da cewa cibiyar sadarwa tana da babban aminci da kwanciyar hankali don saduwa da bukatun kasuwancin mai amfani.
Ƙarfin kasuwanci mai ƙarfi:Cibiyoyin sadarwar PON yakamata su sami babban bandwidth kuma QoS damar garanti don biyan buƙatun kasuwancin haɓakar masu amfani.A lokaci guda, ya zama dole don tallafawa nau'ikan kasuwanci da yawa da samun damar na'urar tasha don cimma haɗin gwiwar kasuwanci da haɗin kai.
Babban tsaro:Ya kamata cibiyoyin sadarwar PON su ɗauki matakan tsaro iri-iri don tabbatar da sirri, mutunci da wadatar watsa bayanai.Misali, ana iya amfani da hanyoyin tsaro kamar rufaffiyar watsawa da sarrafa shiga don hana hare-haren cibiyar sadarwa da zubewar bayanai.
Ƙarfi mai ƙarfi:Cibiyoyin sadarwa na PON yakamata su kasance suna da ma'auni mai kyau kuma su sami damar daidaitawa ga canje-canjen buƙatun kasuwanci na gaba da haɓaka fasaha.Misali, ana iya faɗaɗa sikelin cibiyar sadarwa da ɗaukar hoto ta haɓaka kayan aikin OLT da ONU ko ƙara nodes na ODN.
Kyakkyawan dacewa:Cibiyoyin sadarwar PON yakamata su goyi bayan ƙa'idodi da ƙa'idodi da yawa kuma su sami damar haɗawa da aiki tare da cibiyoyin sadarwa da kayan aiki da ake dasu.Wannan yana taimakawa rage ginin cibiyar sadarwa da farashin kulawa da haɓaka amfani da aminci da aminci.

4.Kammala fasahar PON, a matsayin ingantacciyar hanyar fasaha ta hanyar amfani da fiber na gani, yana da fa'idodin aikace-aikacen fa'ida a fagen hanyoyin sadarwa.Ta bin ka'idodin sadarwar don tsara tsarin sadarwa da haɓakawa, aiki da kwanciyar hankali na hanyar sadarwar PON za a iya ƙara inganta don saduwa da bunƙasa kasuwancin masu amfani.A lokaci guda, tare da ci gaba da ci gaban fasaha da ci gaba da fadada yanayin aikace-aikacen, fasahar PON za ta taka muhimmiyar rawa a nan gaba.