
5-4-3 niyam

5-4-3 niyam, jyala aay. eae. eae. eae. weey. asehi mhanatat, haah ethernet sanganak jaalyansathi eka rachana margdarshak aahe, jyamadhye trii topologymadhye samayik-madhyam ethernet backbonsveril repeater aanee vibhaganchi sankhya samavisht aahe. yacha arth assa qee takkar kshetrat jastit jaast 5 vibhag 4 repeaters ekatra bandhale gele pahijet, jyat 3 mishran vibhag (10bases 5,10bases 2 kinwa 10bases-fp) asavet. duva vibhag 10 bases-tii, 10 bases-fl kinwa 10 bases-fb asoo shakatat. yaa niyamala 5-4-3-2-1 niyam dekhil sambodhale gele aahe, jyamadhye 'done' duva vibhag (pathkanshivay) aanee 'eka' takkar kshetra aahe.
ethernet marg mhanoon olakhala jaanara paryayi sanrachana niyam, ekach jaalyavar 2 punaravruttikartyanna parvanagi deto aanee punaravruttikartyanmadhi jodanivar konatyahi yajmananna parvanagi dett nahee.
10bases5,10bases2 aanee forl heey ethernet networkche ekmev prakar upalabdh asatana niyam tayar karnyat aale. heey niyam keval repeater kinwa repeater hub (takkar kshetra) aanee forl duvyanni jodalelya samayik-madhyam ethernet vibhaganna lagoo hotat. switch kelelya ethernetla niyam lagoo hott naheet kaaran switchwaryl pratyek portmadhye eka swatantra takkar kshetra asate. mishra punaravrutti aanee switch kelelya jaalyansah, niyamachi vyapti switch kelelya bandaravar sampate.
tapasheel.
takkar shodhane.
mool ethernet protocollanusar, takkar kshetravarun pathavalela signal networkchya pratyek bhagaparyant vishisht kalavadhichya aat pohochane aavashyak aahe. 5-4-3 niyam yachee khatri deto. pratyek vibhag aanee punaravrutti karnara jyadvare signal jaato too prakriyet thoda vel jodato, tyamule signalchya prasaran vel qamee karnyasathi niyam tayar keela jaato.
yaa niyamachya uddeshansathi, eka "vibhag" haah aay. eae. eae. eae. chya vyakhyenusar aaheh jaal asalelya upkarnanmadhil vidyut jodani.
mool 10bases5 aanee 10bases2 ethernet prakaranmadhye, eka vibhag ekach coex kebalshi aanee tyat tapp kelelya konatyahi upkarananshi-eka 'mixing segment' shhee sambandhit asel. aadhunik twisted-payer ethernetvar, jaale vibhag antim sthanakapasun jaale upkarnanmadhil vaiyaktik jodanishi kinwa jaale upkarananchya vividh tukadyanmadhil jodanishi sambandhit asato. hii jodani samanyatah pathvanyasathi aanee prapt karnyasathi samarpit madhyamancha vapar karatat, jyamule takkar shodhane sope hote.
haah niyam takkar kshetra done prakarchya bhautik vibhaganmadhye vibhagatoho mishran vibhag aanee duva vibhag. vaparkartyanchya vibhaganmadhye vaparkartyanchya pranali tyanchyashi jodalelya asoo shakatat. jaaleche repeater ekatra jodanyasathi duva vibhag (forl, 10bases-tii, 10bases-fl kinwa 10bases-fb) vaparale jaatat. niyam asey aadesh deto qee keval jastit jaast paach vibhag asoo shakatat, jeey 'chaar' repeater kinwa concentratorsdware jodalele asoo shakatat aanee paach vibhaganpaiki keval teen mishra vibhag asoo shakatat. hii shevatchi aavashyakta keval 10bases5,10bases2 aanee 10bases-fp ethernet vibhaganna lagoo hote.
purvavarti upbhog.
vishvasaniy takkar shodhanyachya garajevyatirikt, chaukatichi punaravrutti khoop vela kelee jaau shakat nahee. punaravrutti karnara samanyatah 20101 prastavna aikato aanee nantar bitstreamwar lock karato. ekada lock kelyavar, teey nantar dusya portchya pratyek bitchi punaravrutti karel. tathapi, repeater biit pravahavar lock karat asatana suruvatila anek bitscha vapar keela jaeel. pratyek punaravrutti yantradvare chaukaticha prasar hott asatana prastavna lahan aanee lahan hott jaeel. khoop jaast bits haravale yacha arth assa qee end nodmadhye lock karnyasathi purese prastavna bits nastil aanee sampoorn frame chukel.
vividh repeater (hub) thodi vegali amalbajavani vaparu shakatat aanee vegalya prakare karya karoo shakatat. pratyek repeater lock karat asatana qamee-adhik pramanat biit gamavel, kahinna 5 kinwa 6 biit gamvave lagtil. haravalelya prastavna bitschee ekoon sankhya prapt karananya yantrasamagrichya aavashyaktanpeksha jaast nasel aanee takkaranmule samasya udbhavanar nahee yachee khatri karoon ghetalyas tumhi adhik punaravrutti karnare jaale tayar karoo shakata. sahasa hii tapshilvar mahitee midvane sope nasate aanee vaparkartyansathi ganana karane katheen asate. vishisht maryadet chalavalyavar chaukat prapt houu shakate yachee khatri karnyasathi mankasathi puresha prastavna bitschee nirmiti aavashyak aahe (i.eae. 5-4-3 niyam lagoo karane).
decembermadhil prayogshalet tyanna mahit hote qee tyanche repeater kitee bits gamavatil aanee heey jaanun 11 segment, 10 repeater, 3 sakriy segment (11-10-3) network tayar karnyas saksham aahet jeey serve end nodes yogyaritya karya kareet asalelya round trip vilambapeksha qamee aanee puresha sankhyene rakhale.