Inethiwekhi ye-Ad hoc, inethiwekhi yemeshi ezihlelele, isuka ku-Mobile Ad Hoc Networking, noma i-MANET kafushane. Igama elithi "Ad Hoc" livela kusiLatini futhi lisho ukuthi "Ngenjongo ethile kuphela", okungukuthi, "ngokwenjongo ekhethekile, yesikhashana". Inethiwekhi ye-Ad Hoc iyinethiwekhi yesikhashana yokuzihlela ye-multi-hop eyakhiwe iqembu lamatheminali eselula anama-transceivers angenawaya, ngaphandle kwanoma yisiphi isikhungo sokulawula noma izinsiza zokuxhumana eziyisisekelo. Wonke ama-node kunethiwekhi ye-Ad Hoc anesimo esilinganayo, ngakho-ke asikho isidingo sanoma iyiphi indawo emaphakathi yokulawula nokuphatha inethiwekhi. Ngakho-ke, ukulimala kunoma iyiphi itheminali eyodwa ngeke kuthinte ukuxhumana kwayo yonke inethiwekhi. I-node ngayinye ayinawo umsebenzi wetheminali yeselula kuphela kodwa futhi idlulisela idatha yamanye ama-node. Uma ibanga eliphakathi kwamanodi amabili likhulu kunebanga lokuxhumana okuqondile, indawo emaphakathi idlulisela idatha ukuze bathole ukuxhumana phakathi kwabo. Kwesinye isikhathi ibanga eliphakathi kwamanodi amabili lide kakhulu, futhi idatha idinga ukudluliselwa ngamanodi amaningi ukuze ifinyelele indawo okuyiwa kuyo.
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