L phng thc truyn tin trong thng tin c chia thnh cc gi c chiudi nh khng thay i gi l cc t bo tin. T bo tin c truyn c lp v s csp xp li th t u thu. ATM khng ng b bi l do cc gi trong cng mtcuc kt ni c th lp li mt cch bt thng nh lc chng c to ra theo yu cuc th m khng theo mt chu k no c.ATM c th truyn c tt c cc dch v vin thng m khng cn quan tmn c tnh v cht lng ca dch v v tha mn c cc yu cu: Mm do v ph hp vi cc dch v tng lai C hiu qa trong vic s dng ti nguyn Ch s dng mt mng duy nht cho tt c cc dch vV vy, cui cng ITU T quyt nh chn phng thc truyn ATM lm mngphc v cho cc dch v trong mng b-ng rng. Tht vy mng ATM c nhng u imsau:- iu khin c nhiu loi lu thng khc nhau nh: D liu, ting ni,hnh nh, Video, - Kh n-ng s dng ng truyn hiu qa: Cho php truyn cc ng dnghnh nh, d liu, .. c tc c nh, hoc bin i theo thi gian hoc ngt qung.- Dng k thut chuyn mch bng phn cng: Vi chiu di t bo cnh l 53 Bytes, ATM cho php vic x l chuyn mch bng cc phn cng c tc rt nhanh, gim thiu thi gian chuyn mch v t-ng ng k tc truyn.- Cho kh n-ng thit lp cc nhm knh o: Nhm knh o c nhngha bng ch s nhn dng o (VPI/VCI), Do vy c th to mi, thay i lu lnghoc l trnh bng cch iu khin vic gn cc nhn a ch ti cc nt chuyn mch.Kh n-ng ny cho php vic qun l v iu hnh mng n-ng ng.- c tnh truyn dn mm do: Cho php hu nh khng gii hn v tc ca mi knh cng nh s lng cc knh v mi knh thng tin c thit lp bngchui cc t bo ATM, s lng cc t bo c truyn i trong mt n v thi gian l5