ALOHA
\ɐlˈə͡ʊhə], \ɐlˈəʊhə], \ɐ_l_ˈəʊ_h_ə]\
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By DataStellar Co., Ltd
By Princeton University
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(From the Hawaiian greeting) A system ofcontention resolution devised at The University of Hawaii.Packets are broadcast when ready, the sender listens tosee if they collide and if so re-transmits after a randomtime. Slotted Aloha constrains packets to start at thebeginning of a time slot. Basic Aloha is appropriate to longpropagation time nets (e.g. satellite). For shorterpropagation times, carrier sense protocols are possible.
By Denis Howe
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.