tc  qdisc  ...  choke limit packets min packets max packets avpkt bytes
       burst packets [ ecn ] [ bandwidth rate ] probability chance

       CHOKe (CHOose and Keep for responsive flows, CHOose and Kill for  unre-
       sponsive  flows)  is  a  classless  qdisc designed to both identify and
       penalize flows that monopolize the queue.  CHOKe is a variation of RED,
       and the configuration is similar to RED.

       Once  the queue hits a certain average length, a random packet is drawn
       from the queue.  If both the to-be-queued and the drawn  packet  belong
       to  the  same  flow, both packets are dropped.  Otherwise, if the queue
       length is still below the maximum length, the new packet has a  config-
       urable  chance  of being marked (which may mean dropped).  If the queue
       length exceeds max, the new packet will always be marked (or  dropped).
       If the queue length exceeds limit, the new packet is always dropped.

       The  marking  probability  computation  is  the same as used by the RED

       The parameters are the same as for RED,  except  that  RED  uses  bytes
       whereas choke counts packets. See tc-red(8) for a description.

       o      R. Pan, B. Prabhakar, and K. Psounis, "CHOKe, A Stateless Active
              Queue Management Scheme for Approximating Fair Bandwidth Alloca-
              tion", IEEE INFOCOM, 2000.

       o      A.  Tang,  J. Wang, S. Low, "Understanding CHOKe: Throughput and
              Spatial Characteristics", IEEE/ACM Transactions  on  Networking,

       tc(8), tc-red(8)

       sched_choke was contributed by Stephen Hemminger.

iproute2                          August 2011                            TC(8)
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