A fannin Sadarwa ta yau, fasahar PassiveOptical Network (PON) ta mamaye wani muhimmin matsayi a cikin babbar hanyar sadarwa tare da fa'idodinta na babban gudu, dogon nisa da babu hayaniya. Daga cikinsu, GPON, XG-PON da XGS-PON sune fasahar sadarwa ta gani mai ban sha'awa da ta fi damuwa. Suna da nasu halaye kuma ana amfani da su sosai a yanayi daban-daban. Wannan labarin yana bincika manyan bambance-bambancen da ke tsakanin waɗannan fasahohi uku dalla-dalla don taimaka wa masu karatu su fahimci fasalulluka da yanayin aikace-aikacen su.
GPON, cikakken suna Gigabit-CapablePassive OpticalNetwork, fasaha ce ta hanyar sadarwa ta gani mai aiki da kanta wacce ƙungiyar FSAN ta fara gabatar da ita a shekarar 2002. Bayan shekaru da dama na ci gaba, ITU-T ta daidaita ta a hukumance a shekarar 2003. Fasahar GPON galibi tana aiki ne a kasuwar hanyar sadarwa ta hanyar amfani da intanet, wacce za ta iya samar da ayyuka na bayanai, murya da bidiyo masu sauri da kuma manyan ayyuka ga iyalai da kamfanoni.
Fa'idodin fasahar GPON sune kamar haka:
1. Sauri: saurin watsawa daga ƙasa shine 2.488Gbps, saurin watsawa daga sama shine 1.244Gbps.
2. Rabon shunt: 1:16/32/64.
3. Nisan watsawa: matsakaicin nisan watsawa shine kilomita 20.
4. Tsarin tattarawa: Yi amfani da tsarin tattarawa na GEM (GEM Encapsulation Method).
5. Tsarin kariya: Yi amfani da tsarin canza kariya mai amfani da 1+1 ko 1:1.
XG-PON, cikakken sunan 10Gigabit-CablePassive OpticalNetwork, shine ƙarni na gaba na fasahar GPON, wanda kuma aka sani da cibiyar sadarwa ta gani ta zamani mai aiki da kanta (NG-PON). Idan aka kwatanta da GPON, XG-PON yana da ci gaba mai mahimmanci a cikin saurin gudu, rabon shunt da nisan watsawa.
Fasahohin fasahar XG-PON sune kamar haka:
1. Sauri: Yawan watsawa daga ƙasa shine 10.3125Gbps, saurin watsawa daga sama shine 2.5Gbps (ana iya haɓaka hanyar haɗin sama zuwa 10 GBPS).
2. Rabon shunt: 1:32/64/128.
3. Nisan watsawa: matsakaicin nisan watsawa shine kilomita 20.
4. Tsarin fakiti: Yi amfani da tsarin fakitin GEM/10GEM.
5. Tsarin kariya: Yi amfani da tsarin canza kariya mai amfani da 1+1 ko 1:1.
XGS-PON, wanda aka sani da 10GigabitSymmetric Passive OpticalNetwork, sigar XG-PON ce mai daidaito, wacce aka tsara don samar da ayyukan samun damar intanet mai daidaituwa tare da saurin sama da na ƙasa. Idan aka kwatanta da XG-PON, XGS-PON yana da ƙaruwa sosai a saurin haɗin sama.
Fasahohin fasahar XGS-PON sune kamar haka:
1. Sauri: Adadin watsawa daga ƙasa shine 10.3125Gbps, adadin watsawa daga sama shine 10 GBPS.
2. Rabon shunt: 1:32/64/128.
3. Nisan watsawa: matsakaicin nisan watsawa shine kilomita 20.
4. Tsarin fakiti: Yi amfani da tsarin fakitin GEM/10GEM.
5. Tsarin kariya: Yi amfani da tsarin canza kariya mai amfani da 1+1 ko 1:1.
Kammalawa: GPON, XG-PON da XGS-PON manyan fasahohin sadarwa na gani guda uku ne masu amfani da na'urar hangen nesa. Suna da bambance-bambance bayyanannu a cikin saurin gudu, rabon shunt, nisan watsawa, da sauransu, don biyan buƙatun yanayi daban-daban na aikace-aikace.
Musamman: GPON galibi yana cikin kasuwar hanyoyin sadarwa, yana samar da bayanai masu sauri, manyan bayanai, murya da bidiyo da sauran ayyuka; XG-PON sigar GPON ce da aka inganta, tare da saurin gudu da kuma daidaitaccen rabon shunt. XGS-PON yana jaddada daidaiton ƙimar sama da ƙasa kuma ya dace da aikace-aikacen hanyoyin sadarwa na peer-to-peer. Fahimtar manyan bambance-bambancen da ke tsakanin waɗannan fasahohin guda uku yana taimaka mana mu zaɓi mafita mai dacewa ta hanyar sadarwa ta gani don yanayi daban-daban.
Lokacin Saƙo: Afrilu-24-2024