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latencymore about latency

latency


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Latency  \La"ten*cy\,  n.  [See  {Latent}.] 
  The  state  or  quality  of  being  latent. 
 
  To  simplify  the  discussion,  I  shall  distinguish  three 
  degrees  of  this  latency.  --Sir  W. 
  Hamilton. 
 
  From  WordNet  r  1.6  [wn]: 
 
  latency 
  n  1:  (computer  science)  the  time  it  takes  for  a  specific  block  of 
  data  on  a  data  track  to  rotate  around  to  the  read/write 
  head  [syn:  {rotational  latency}] 
  2:  the  time  that  elapses  between  a  stimulus  and  the  response  to 
  it  [syn:  {reaction  time},  {response  time},  {latent  period}] 
  3:  the  state  of  being  not  yet  evident  or  active 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  latency 
 
    1.  The  time  it  takes  for  a  {packet}  to  cross 
  a  network  connection,  from  sender  to  receiver. 
 
  2.  The  period  of  time  that  a  frame  is  held  by  a  network  device 
  before  it  is  forwarded. 
 
  Two  of  the  most  important  parameters  of  a  communications 
  channel  are  its  latency,  which  should  be  low  and  its 
  {bandwidth},  which  should  be  high.  Latency  is  particularly 
  important  for  a  {synchronous}  {protocol}  where  each  packet 
  must  be  acknowledged  before  the  next  can  be  transmitted. 
 
  (2000-02-27) 
 
 




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