PPT-PWE3 Congestion Considerations

draftietfpwe3congcons temporarily expired Yaakov J Stein David Black Bob Briscoe Reminder What this draft says We present two distinct cases elastic PWs carrying congestion responsive traffic. 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:. Advanced Computer Networks: TCP Congestion Control. 1. Principles of Congestion Control. Congestion:. informally: “too many sources sending too much data too fast for the . network. to handle”. different from flow control!. Julia Chuzhoy. Toyota Technological Institute at Chicago. Routing Problems. Input. : Graph G, source-sink pairs (s. 1. ,t. 1. ),…,(. s. k. ,t. k. ).. Goal. : Route as many pairs as possible; minimize edge congestion.. draft-delregno-pwe3-mandatory-control-word. Nick DelRegno. PWE3 WG. IETF 79. Agenda. Authors/Contributors. Review of Control Word Applicability. Mandatory Control Word. Working Group Draft. Authors/Contributors. Control. . (part II). EE 122, Fall 2013. Sylvia Ratnasamy. http://inst.eecs.berkeley.edu/~ee122. /. Material thanks to Ion . Stoica. , Scott . Shenker. , Jennifer Rexford, Nick . McKeown. , and many other colleagues. the . Internet. Sally Floyd . and . Kevin . Fall . IEEE-ACAM . Transactions on . Networking,1999. . . 101062804 . 馬儀蔓. . Outline. Introduction. The Problem of Unresponsive Flows. T.Najah. Al-. Subaie. Kingdom of Saudi Arabia. Prince Norah . bint. Abdul . Rahman. University. College of Computer Since and Information System. NET331. Data Traffic. The main focus of congestion control is data traffic.. By. Bhavani manthena. What is Congestion?. Congestion . is a situation in Communication Networks in which too many packets are present in a part of the subnet, performance degrades. .. . Congestion in a network may occur when the load on the . A dynamic tolling system as a part of a proposed cordon based congestion pricing scheme for the Athens, Greece road network has been considered to be a possible management measure to mitigate the negative impacts of traffic congestion. . Murari Sridharan. muraris@microsoft.com. CONEX BOF, IETF 76, Hiroshima. Its all about the apps . Apps have diverse needs. P2P, VoIP, TV, online apps, games. Filling the pipe while being TCP fair. High-speed congestion control, Autotuning the receive window, host OS (including app) bottlenecks. What is Congestion Pricing?. Definition - . A financial means of influencing when people drive in certain areas. Primary Goal - . To reduce traffic congestion during periods of peak demand. Secondary Goal . Jian He. UT Austin. 1. Why is Congestion Control necessary?. Data . Packets. ACK. Congested . Link. Congested link vs. reliability: . long queuing delay, packet loss. But, can delay or packet loss always . Success Criteria . I can give at least 5 reasons for traffic congestion in Glasgow. Lesson 5: Need for traffic management schemes - Glasgow. Why do you think there is traffic congestion in Glasgow? . , the scheme is estimated to save £2.5 million per year as a result ofa reduction in vehicle kilometres travelled, fuel consumption and Transport for London website, “Congestion Charging” (2007