PPT-Enabling ECN over Generic

Packet Scheduling Wei Bai Kai Chen Li Chen Changhoon Kim Haitao Wu ACM CoNEXT Irvine CA December 2016 1 Data Centers Around the World Googles worldwide DC map 2 Microsofts DC in . 20 1027200 1048830 1054860 1081860 1126920 1137390 1180200 1192470 1229340 1282710 O7 826440 864840 882600 896730 922290 947580 976770 1005900 1035120 1126920 1204380 O6 612540 672960 717120 717120 719850 750720 754770 754770 797670 873510 918030 O5 (. AccECN. ). draft-kuehlewind-tcpm-accurate-ecn-03. Bob Briscoe, BT. Richard Scheffenegger, NetApp. Mirja . Kühlewind. , Stuttgart . Uni. IETF-90, Jul’14. Bob Briscoe’s work is part-funded by the European Community. Transport Layer. 3-. 2. Principles of Congestion Control. Congestion:. informally: “too many sources sending too much data too fast for . network. to handle”. different from flow control!. manifestations:. Network Fundamentals. Lecture . 13: Beyond TCP Congestion Control. (a.k.a. how to get a job at MIT). In Between Network and Transport…. 2. Goals:. Replace TCP congestion control. Keep queues/delay short. George Michelogiannakis. ,. Nan Jiang, Daniel Becker, William J. Dally. This work was completed in Stanford University. HPC and datacenter networks increasingly oversubscribed. Exascale. for HPC may need 1 billion-way parallelism. Training Module forcreating WISP, Franchisee & Location Enabling the Next Wave of Connectivity WISP •A WISP Setup Wizard interface is provided to help in the setup procedure. •Information i Qi (Gill) Wang. gillwang@udel.edu. CISC 856 – . TCP/IP, Fall 2012. Special thanks to:. Dr. Paul . Amer. Guna. . Ranjan. , Justin . Yackoski. , . Namratha. . Hundigopal. and . Preethi. . Natarajan. Keqiang. He. , Eric . Rozner. , . Kanak. Agarwal, Yu . Gu. , . Wes . Felter. , John Carter, Aditya . Akella. 1. Datacenter Network Congestion . C. ontrol. Congestion . is not rare in . datacenter networks [Singh, SIGCOMM’15]. 1.Legal Revolution – Consolidation of power in the Reichstag.. When Hitler came to power, his authority was limited by parliament and President Hindenburg. The SA were also getting very powerful. Hitler was determined to eliminate these obstacles.. More Accurate ECN Feedback Reflector . (. AccECN. ). draft-kuehlewind-tcpm-accurate-ecn-03. Bob Briscoe, BT. Richard Scheffenegger, NetApp. Mirja . Kühlewind. , Stuttgart . Uni. IETF-90, Jul’14. Bob Briscoe’s work is part-funded by the European Community. Datacenter Networks. APNet. 2017, Hong Kong. Wei Bai, Kai Chen, . Shuihai. Hu. , Kun Tan, . Yongqiang. . Xiong. Data Center Applications. Network requirements. Desire . low latency . for small messages. 1. APNet. 2017, Hong Kong. The opinions of this talk . do not represent . the official policy of HKUST and Microsoft. 2. Data Center Congestion Control Research. 2009: TCP retransmissions. 2010: DCTCP, ICTCP. Packet Scheduling. Wei Bai. , Kai Chen, Li Chen, Changhoon Kim, Haitao Wu. ACM CoNEXT, Irvine, CA, December 2016. 1. Data Centers Around the World. Google’s worldwide DC map. 2. Microsoft’s DC in . draft-ietf-tcpm-alternativebackoff-ecn-06. Naeem Khademi, . Michael Welzl. , Grenville Armitage, Gorry Fairhurst. TCPM @ IETF 101. 19. 03. 2018. 1. Thank you . for comments!. We . had a detailed review from Michael .