Mu rwego rw'itumanaho rya none, ikoranabuhanga rya PassiveOptical Network (PON) ryagiye rifata umwanya ukomeye mu itumanaho risanzwe rifite ibyiza byo kwihuta cyane, intera ndende no kutagira urusaku. Muri byo, GPON, XG-PON na XGS-PON ni ikoranabuhanga ryitabwaho cyane mu itumanaho ritanyuze mu ikoranabuhanga. Rifite imiterere yaryo kandi rikoreshwa cyane mu bihe bitandukanye. Iyi nkuru isuzuma itandukaniro ry'ingenzi riri hagati y'iri koranabuhanga ritatu mu buryo burambuye kugira ngo rifashe abasomyi gusobanukirwa neza imiterere yaryo n'imiterere yaryo.
GPON, izina ryuzuye Gigabit-CapablePassive OpticalNetwork, ni ikoranabuhanga rya interineti idakoresha uburyo bwa optique ryatanzwe bwa mbere n'umuryango wa FSAN mu 2002. Nyuma y'imyaka myinshi itera imbere, ITU-T yaryishyize ku murongo mu 2003. Ikoranabuhanga rya GPON rigenewe cyane cyane isoko ry'itumanaho, rishobora gutanga serivisi zihuse kandi nini z'amakuru, amajwi na videwo ku miryango n'ibigo.
Ibiranga ikoranabuhanga rya GPON ni ibi bikurikira:
1. Umuvuduko: igipimo cyo kohereza amakuru mu buryo bwa "downstream" ni 2.488Gbps, igipimo cyo kohereza amakuru mu buryo bwa "upstream" ni 1.244Gbps.
2. Igipimo cya Shunt: 1:16/32/64.
3. Intera yo kohereza ubutumwa: Intera ntarengwa yo kohereza ubutumwa ni 20km.
4. Imiterere ya Encapsulation: Koresha imiterere ya Gem (Gem Encapsulation Method).
5. Uburyo bwo kurinda: Koresha uburyo bwo guhindura ubwirinzi budakoresheje 1+1 cyangwa 1:1.
XG-PON, izina ryuzuye rya 10Gigabit-CapablePassive OpticalNetwork, ni ikoranabuhanga rya GPON rikurikira, rizwi kandi nka next generation passive optical network (NG-PON). Ugereranyije na GPON, XG-PON ifite iterambere rigaragara mu muvuduko, shant ratio n'intera yo kohereza amakuru.
Ibiranga ikoranabuhanga rya XG-PON ni ibi bikurikira:
1. Umuvuduko: Igipimo cyo kohereza amakuru kuri Downlink ni 10.3125Gbps, igipimo cyo kohereza amakuru kuri uplink ni 2.5Gbps (uplink ishobora kandi kuzamuka ikagera kuri 10 GBPs).
2. Igipimo cya Shunt: 1:32/64/128.
3. Intera yo kohereza ubutumwa: Intera ntarengwa yo kohereza ubutumwa ni 20km.
4. Imiterere y'ipaki: Koresha imiterere y'ipaki ya GEM/10GEM.
5. Uburyo bwo kurinda: Koresha uburyo bwo guhindura ubwirinzi budakoresheje 1+1 cyangwa 1:1.
XGS-PON, izwi ku izina rya 10GigabitSymmetric Passive OpticalNetwork, ni verisiyo ihuza XG-PON, yagenewe gutanga serivisi zo kugera kuri interineti ifite igipimo cy’ubugari bungana hejuru n’ubugari. Ugereranyije na XG-PON, XGS-PON ifite ukwiyongera gukomeye mu muvuduko wo kugera hejuru.
Ibiranga ikoranabuhanga rya XGS-PON ni ibi bikurikira:
1. Umuvuduko: Igipimo cyo kohereza ubutumwa bugufi ni 10.3125Gbps, igipimo cyo kohereza ubutumwa bugufi ni 10 GBPs.
2. Igipimo cya Shunt: 1:32/64/128.
3. Intera yo kohereza ubutumwa: Intera ntarengwa yo kohereza ubutumwa ni 20km.
4. Imiterere y'ipaki: Koresha imiterere y'ipaki ya GEM/10GEM.
5. Uburyo bwo kurinda: Koresha uburyo bwo guhindura ubwirinzi budakoresheje 1+1 cyangwa 1:1.
Umwanzuro: GPON, XG-PON na XGS-PON ni ikoranabuhanga ritatu ry’ingenzi rya 'passive optical network'. Rifite itandukaniro rigaragara mu muvuduko, ikigereranyo cya shunt, intera yo kohereza, nibindi, kugira ngo rihuze n’ibikenewe mu bihe bitandukanye byo gukoresha.
By’umwihariko: GPON igenewe cyane cyane isoko ry’umuyoboro w’itumanaho, itanga amakuru yihuta kandi afite ubushobozi bwinshi, amajwi na videwo n’izindi serivisi; XG-PON ni verisiyo yavuguruwe ya GPON, ifite umuvuduko wo hejuru n’ikigereranyo cyoroshye cyo gufunga. XGS-PON ishimangira uburinganire bw’umuvuduko wo hejuru n’uwo munsi kandi ikwiriye porogaramu z’umuyoboro w’itumanaho hagati y’abantu. Gusobanukirwa itandukaniro ry’ingenzi riri hagati y’izi koranabuhanga eshatu bidufasha guhitamo igisubizo gikwiye cy’umuyoboro w’itumanaho ukoresha optique mu bihe bitandukanye.
Igihe cyo kohereza: 24 Mata 2024