COLLISION DETECTION
\kəlˈɪʒən dɪtˈɛkʃən], \kəlˈɪʒən dɪtˈɛkʃən], \k_ə_l_ˈɪ_ʒ_ə_n d_ɪ_t_ˈɛ_k_ʃ_ə_n]\
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A class of methods for sharing a datatransmission medium in which hosts transmit as soon as theyhave data to send and then check to see whether theirtransmission has suffered a collision with another host's.If a collision is detected then the data must be resent. Theresending algorithm should try to minimise the chance that twohosts's data will repeatedly collide. For example, theCSMA/CD protocol used on Ethernet specifies that theyshould then wait for a random time before re-transmitting.See also backoff.This contrasts with slotted protocols and token passing.
By Denis Howe
Word of the day
Snake's-head
- Guinea-hen flower; -- so called in England because its spotted petals resemble the scales of a snake's head.