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Re: rate instability in wireless stack

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On Sun, 2009-01-04 at 23:51 -0600, Larry Finger wrote:

> rate     throughput  ewma prob   this prob  this succ/attempt   success    attempts
>      1         0.9       97.7      100.0          1(  1)       2086        2206
>      2         0.1        7.0        0.0          0(  0)          1           5
>      5.5       0.0        0.0        0.0          0(  0)          0           1
>     11         0.0        0.0        0.0          0(  0)          0           4
>      6         1.4       25.0      100.0          0(  0)          1           2
>      9         0.0        0.0        0.0          0(  0)          0           6
>     12         7.6       68.8        0.0          0(  0)        187         192
>     18         7.0       43.3        0.0          0(  0)          3           5
>     24        10.6       49.8      100.0          0(  0)         20          40
>     36         8.5       28.0       50.0          0(  0)       1389        1520
> T P 48        15.7       99.9      100.0          1(  1)       3277        3525
>  t  54        21.7       50.1        0.0          0(  0)      19282       20028
> 
> Total packet count::    ideal 3800      lookaround 422
> 
> Johannes,
> 
> Any explanation as to why there are no attempts?

It only sent two probe packets? Remember that zd1211 is rather rate
control challenged. I don't know. nbd might be able to tell you more.

johannes

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