(From the Hawaiian greeting) A system of Contention resolution devised at The University of Hawaii. PaCkets are broadCast when ready, the sender listens to see if they Collide and if so re-transmits after a random time. Slotted AlohaConstrains paCkets to start at the beginning of a time slot. BasiC Aloha is appropriate to long propagation time nets (e.g. satellite). For shorter propagation times, Carrier senseprotoCols are possible. (1995-12-10)