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-DCTCP (DataCenter TCP)
-----------------------
-
-DCTCP is an enhancement to the TCP congestion control algorithm for data
-center networks and leverages Explicit Congestion Notification (ECN) in
-the data center network to provide multi-bit feedback to the end hosts.
-
-To enable it on end hosts:
-
-  sysctl -w net.ipv4.tcp_congestion_control=dctcp
-  sysctl -w net.ipv4.tcp_ecn_fallback=0 (optional)
-
-All switches in the data center network running DCTCP must support ECN
-marking and be configured for marking when reaching defined switch buffer
-thresholds. The default ECN marking threshold heuristic for DCTCP on
-switches is 20 packets (30KB) at 1Gbps, and 65 packets (~100KB) at 10Gbps,
-but might need further careful tweaking.
-
-For more details, see below documents:
-
-Paper:
-
-The algorithm is further described in detail in the following two
-SIGCOMM/SIGMETRICS papers:
-
- i) Mohammad Alizadeh, Albert Greenberg, David A. Maltz, Jitendra Padhye,
-    Parveen Patel, Balaji Prabhakar, Sudipta Sengupta, and Murari Sridharan:
-      "Data Center TCP (DCTCP)", Data Center Networks session
-      Proc. ACM SIGCOMM, New Delhi, 2010.
-    http://simula.stanford.edu/~alizade/Site/DCTCP_files/dctcp-final.pdf
-    http://www.sigcomm.org/ccr/papers/2010/October/1851275.1851192
-
-ii) Mohammad Alizadeh, Adel Javanmard, and Balaji Prabhakar:
-      "Analysis of DCTCP: Stability, Convergence, and Fairness"
-      Proc. ACM SIGMETRICS, San Jose, 2011.
-    http://simula.stanford.edu/~alizade/Site/DCTCP_files/dctcp_analysis-full.pdf
-
-IETF informational draft:
-
-  http://tools.ietf.org/html/draft-bensley-tcpm-dctcp-00
-
-DCTCP site:
-
-  http://simula.stanford.edu/~alizade/Site/DCTCP.html