|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
   
    | , | Accuracy
    of state information does matter 
 |  | 
   
    |  | 
   
    |  | – | Realistic
    versions always performed poorer than ideal versions of the same
    protocol 
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    |  | variant 
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    |  | 
   
    | , | Performance
    loss due to inaccurate state information can be as 
 |  | 
   
    |  | high
    as 10% 
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    |  | 
   
    | , | Initially
    exploration: some of the state information is really old 
 |  | 
   
    |  | 
   
    |  | (in
    excess of 20 seconds) and therefore very inaccurate 
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    |  | – | In
    particular under high traffic load: control messages sometimes get lost 
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    |  | 
   
    | , | Future
    work 
 |  | 
   
    |  | – | Explore
    sources/reasons for inaccuracy in more depth 
 |  | 
   
    |  | 
   
    |  | – | Explore
    ways to increase accuracy 
 |  | 
   
    |  | , | Wicon
    2007: paper on “smart prediction”, which works well for monotonic state 
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    |  | information
    such as residual energy level 
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    |  | , | Probing
    old information adds more control messages to the network and does not 
 | 
   
    |  | 
   
    |  | help 
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