stephen hemminger 45e144339a
sched: CHOKe flow scheduler ...
CHOKe ("CHOose and Kill" or "CHOose and Keep") is an alternative
packet scheduler based on the Random Exponential Drop (RED) algorithm.
The core idea is:
For every packet arrival:
Calculate Qave
if (Qave < minth)
Queue the new packet
else
Select randomly a packet from the queue
if (both packets from same flow)
then Drop both the packets
else if (Qave > maxth)
Drop packet
else
Admit packet with proability p (same as RED)
See also:
Rong Pan, Balaji Prabhakar, Konstantinos Psounis, "CHOKe: a stateless active
queue management scheme for approximating fair bandwidth allocation",
Proceeding of INFOCOM'2000, March 2000.
Help from:
Eric Dumazet <eric.dumazet@gmail.com >
Patrick McHardy <kaber@trash.net >
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com >
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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