Gpon ndi chiyani?

Ukadaulo wa GPON (Gigabit-Capable PON) ndiwotsogola waposachedwa kwambiri waukadaulo wa Broadband passive optical Integrated access potengera mulingo wa ITU-TG.984.x.Ili ndi zabwino zambiri monga bandwidth yayikulu, kuchita bwino kwambiri, kuphimba kwakukulu, komanso mawonekedwe ogwiritsira ntchito olemera.Ogwiritsa ntchito ambiri amawona ngati ukadaulo wabwino kwambiri wopezera ma Broadband ndikusintha kwathunthu kwa mautumiki a netiweki.GPON idaperekedwa koyamba ndi bungwe la Full-Service Access Network (FSAN) mu September 2002. Pachifukwa ichi, ITU-T inamaliza kupanga ITU-TG.984.1 ndi G.984.2 mu March 2003. , The standardization of G.984.3 inamalizidwa mu February ndi June 2004, motero kupanga banja lokhazikika la GPON.

Kodi Epon ndi chiyani?

EPON (Ethernet Passive Optical Network), monga dzina limanenera, ndi ukadaulo wa PON wozikidwa pa Ethernet.Imatengera kapangidwe ka point-to-multipoint, passive optical fiber transmission, ndipo imapereka mautumiki osiyanasiyana pa Ethernet.Tekinoloje ya EPON imakhazikitsidwa ndi gulu la ogwira ntchito la IEEE802.3 EFM.Mu June 2004, gulu logwira ntchito la IEEE802.3EFM linatulutsa muyezo wa EPON - IEEE802.3ah (wophatikizidwa mu IEEE802.3-2005 mu 2005).Mulingo uwu, matekinoloje a Ethernet ndi PON amaphatikizidwa, ukadaulo wa PON umagwiritsidwa ntchito pagawo lakuthupi, protocol ya Ethernet imagwiritsidwa ntchito pazosanjikiza zolumikizira deta, ndipo mwayi wa Ethernet umazindikirika pogwiritsa ntchito PON topology.Choncho, imaphatikiza ubwino wa teknoloji ya PON ndi teknoloji ya Efaneti: mtengo wotsika, bandwidth yapamwamba, scalability yamphamvu, yogwirizana ndi Ethernet yomwe ilipo, komanso kasamalidwe kosavuta.