
decibit

debit ack tcp bheed niyantran takneek haye jise bheed seey bachane key liye routers mein lagu kiya jaataa haye. isaki upayogita sambhaavit bheedbhaad kaa anuman lagaana aur ise rokna haye.
jaba koee router bhejane vaale koo bheed kaa sanket denaa chaahata haye, tou yeh bheje gaye packets key sheersh mein thodaa saa jodd detaa haye. jaba ack paiket router parr aataa haye, tou router antim (vyast + nishkriya) avadhi key saath-saath vartamaan vyast avadhi key liye ausat kataar kii lambai kii ganana kartaa haye. (router packets koo sanchaarit karane mein "vyast" hotaa haye, aur anyatha "nishkriya" hotaa haye). jaba ausat kataar kii lambai 1 seey adhik hoe jaati haye, tou router aaney vaale paiket key paiket header mein bheed kaa sanket bitt sett kartaa haye.
jaba gantavya jawab detaa haye, tou sambandhit aka mein ack sett bheed shamil hoti haye. preshak ack praapt kartaa haye aur ganana kartaa haye kii usey kitane paiket praapt hue hain aur bheed-bhaad key sanket bitt koo ack parr sett kiya gayaa haye. yadi antim khidki mein aadhe seey bhee cumm packets mein bheed kaa sanket bitt sett thaa, tou khidki koo raikhik roop seey badhaaya jaataa haye. anyatha, vindo teji seey cumm hoe jaati haye.
yeh takneek bheedbhaad seey bachane aur maal dhulai badhaane key liye khidki kaa gatishil roop seey prabandhan karati haye yadi yeh bheedbhaad kaa pataa lagaati haye aur deree key sambandh mein bandwidth koo santulit karane kii koshish karati haye.
dhyaan dein kii yeh takneek line key prabhaavi upayog kii anumati naheen detee haye, kyonki yeh upalabdh bandwidth kaa laabh uthaane mein whiffle rahati haye. isake alawa, yeh tathya kii poonchh kaa aakar ack chakr seey dusare chakr mein badh gayaa haye, iska matlab yeh naheen haye kii hamesha bheed haye.