SONET (Umuyoboro w'urusobe rw'amajwi uhuza ikoranabuhanga)
SONET ni uburyo bwo kohereza amakuru ku muvuduko wo hejuru muri Leta Zunze Ubumwe za Amerika. Ikoresha fibre optique nk'uburyo bwo kohereza amakuru mu buryo bw'ikoranabuhanga mu buryo bw'impeta cyangwa imiterere y'ingingo. Mu mizi yayo, ihuza uburyo amakuru anyuramo kugira ngo ibimenyetso biturutse ahantu hatandukanye bishobore gukwirakwizwa vuba vuba mu nzira y'ibimenyetso bihuriweho ku muvuduko wo hejuru. SONET ihagarariwe n'urwego rwa OC (optical carrier), nka OC-3, OC-12, OC-48, n'ibindi, aho imibare ihagarariye inshuro nyinshi z'igice cy'ibanze cya OC-1 (51.84 Mbps). Imiterere ya SONET yakozwe ifite ubushobozi bwo kurinda no kwiyubaka, bityo ikunze gukoreshwa mu miyoboro y'umugongo.
SDH (Uburyo bwo mu rwego rw'ikoranabuhanga buhuza)
SDH mu by’ukuri ni SONET mpuzamahanga ingana cyane, ikoreshwa cyane cyane mu Burayi no mu tundi turere tutari muri Amerika. SDH ikoresha urwego rwa STM (Synchronous Transport Module) kugira ngo imenye umuvuduko utandukanye wo kohereza amakuru, nka STM-1, STM-4, STM-16, nibindi, aho STM-1 ingana na 155.52 Mbps. SDH na SONET birakorana mu buryo bwinshi bwa tekiniki, ariko SDH itanga uburyo bworoshye bwo koroshya, nko kwemerera ibimenyetso biva ahantu henshi hatandukanye koroherezwa kwinjira muri fibre imwe y’urumuri.
DWDM (Ubunini bw'Uburebure bw'Umuraba Ukabije)
DWDM ni ikoranabuhanga ryo kohereza amakuru kuri internet rya fiber optique rituma habaho uburyo bwo kohereza amakuru menshi y’urumuri rw’amashanyarazi icyarimwe kuri fiber optique imwe. Sisitemu za DWDM zishobora gutwara amakuru arenga 100 y’urumuri rw’amashanyarazi atandukanye, buri imwe muri zo ikaba ishobora gufatwa nk’umuyoboro wigenga, kandi buri muyoboro ushobora kohereza amakuru ku gipimo n’ubwoko butandukanye bw’amakuru. Gukoresha DWDM bituma abakora imiyoboro y’itumanaho bongera ubushobozi bw’imiyoboro y’itumanaho badashyizeho insinga nshya z’amashanyarazi, ibyo bikaba bifite agaciro gakomeye ku isoko rya serivisi z’amakuru aho abaguzi biyongera cyane.
Itandukaniro riri hagati y'ibyo bitatu
Nubwo ikoranabuhanga ritatu risa mu gitekerezo, riracyatandukanye mu mikoreshereze yaryo:
Amabwiriza ya tekiniki: SONET na SDH ahanini ni amahame abiri ya tekiniki ahuye. SONET ikoreshwa cyane muri Amerika ya Ruguru, mu gihe SDH ikoreshwa cyane mu tundi turere. DWDM ni ikoranabuhanga ryo gupima ubunini bw'umuraba rikoreshwa mu kohereza ibimenyetso byinshi bihurira aho gukoresha amahame ya fomati y'amakuru.
Igipimo cy'amakuru: SONET na SDH bigena ibice by'igipimo kidahinduka cyo kohereza amakuru binyuze mu byiciro cyangwa modules runaka, mu gihe DWDM yibanda cyane ku kongera igipimo rusange cyo kohereza amakuru binyuze mu kongera imiyoboro yo kohereza amakuru muri fibre imwe y'urumuri.
Koroshya no kwaguka: SDH itanga ubworoherane kurusha SONET, yoroshya itumanaho mpuzamahanga, mu gihe ikoranabuhanga rya DWDM ritanga ubworoherane bukomeye no kwaguka mu muvuduko w'amakuru n'ikoreshwa rya spectrum, bigatuma umuyoboro waguka uko icyifuzo kigenda cyiyongera.
Ahantu hakoreshwa: SONET na SDH bikunze gukoreshwa mu kubaka imiyoboro y'umugongo hamwe na sisitemu zo kwirinda no kwiyubaka, mu gihe DWDM ari igisubizo cyo kohereza imiyoboro y'amashanyarazi ikora kure cyane kandi ikora kure cyane, ikoreshwa mu guhuza hagati y'ibigo by'amakuru cyangwa mu miyoboro y'amashanyarazi yo munsi y'amazi, n'ibindi.
Muri make, SONET, SDH na DWDM ni ikoranabuhanga ry'ingenzi mu kubaka imiyoboro y'itumanaho ya fibre optique yo muri iki gihe n'iy'ejo hazaza, kandi buri koranabuhanga rifite uburyo bwaryo bwihariye bwo kurikoresha n'inyungu za tekiniki. Mu guhitamo neza no gushyira mu bikorwa iri koranabuhanga ritandukanye, abakora imiyoboro bashobora kubaka imiyoboro yo kohereza amakuru neza, yizewe kandi yihuta cyane hirya no hino ku isi.
Tuzazana ibicuruzwa byacu bya DWDM na DCI BOX kugira ngo twitabire iserukiramuco rya Afurika ry’ikoranabuhanga, ibi bikurikira:
Nomero y'akazu ni D91A,
Itariki: 12 Ugushyingo kugeza 14, 2024.
Ongeraho: Ikigo Mpuzamahanga cy'Amakoraniro cya Cape Town (CTICC)
Nizeye ko tuzakubonayo!
Igihe cyo kohereza: Ugushyingo-06-2024