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- 'burst' description rewritten.

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Submitted by:	Ben Kaduk
Approved by:	re (kib)
This commit is contained in:
Oleg Bulyzhin 2009-06-26 19:49:06 +00:00
parent 7c020cbbe5
commit a6f1444804
1 changed files with 10 additions and 5 deletions
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15
sbin/ipfw/ipfw.8
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@ -1944,13 +1944,18 @@ the granularity to 1ms or less).
The default value is 0, meaning no delay. The default value is 0, meaning no delay.
.Pp .Pp
.It Cm burst Ar size .It Cm burst Ar size
If the data rate exceeds the pipe bandwith limit If the data to be sent exceeds the pipe's bandwidth limit
(and pipe was idle long enough), (and the pipe was previously idle), up to
.Ar size .Ar size
bytes of data is allowed to bypass the bytes of data are allowed to bypass the
.Nm dummynet .Nm dummynet
scheduler (i.e. it will be sent without shaping), then transmission rate scheduler, and will be sent as fast as the physical link allows.
will not exceed pipe bandwidth. Effective burst size calculated as follows: Any additional data will be transmitted at the rate specified
by the
.Nm pipe
bandwidth.
The burst size depends on how long the pipe has been idle;
the effective burst size is calculated as follows:
MAX( MAX(
.Ar size .Ar size
, ,