PPT-Congestion Control, Internet transport protocols:

udp Congestion control Congestion occurs when machines send too many packets to a network too quickly from the transport layer Performance will become degraded as packets are dropped and lost. 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:. of . Congestion. Control. Chapter. 3.6. Computer . Networking. : A top-down approach. Principles of Congestion Control. Congestion:. informally: “too many sources sending too much data too fast for. 3-. 1. Chapter 3. Transport Layer. Computer Networking: A Top Down Approach . 6. th. edition . Jim Kurose, Keith Ross. Addison-Wesley. March 2012. Part 4: Congestion control. Transport Layer. 3-. 2. Hakim . Weatherspoon. Assistant Professor, . Dept. of Computer Science. CS 5413: High Performance Systems and Networking. September 5, 2014. Slides . used and adapted . judiciously from Computer Networking, A Top-Down Approach. what’s wrong, and a way forward. Telecom Bretagne, Rennes, France, 3/12/09. Michael. . Welzl. Is there really something wrong?. It works. and has been working for a long time now. The Internet is very successful, with continuous growth, so why do I say that something’s wrong?. CS 381. 3/7/2017. Transport. . Layer. 3-. 2. Chapter 3 outline. 3.1 transport-layer services. 3.2 multiplexing and . demultiplexing. 3.3 connectionless transport: UDP. 3.4 principles of reliable data transfer. 14. Transport Layer . (Transmission Control Protocol). slides are modified from . J. Kurose & K. Ross. University of Nevada – Reno. Computer Science & Engineering Department. Fall . 2011. CPE 400 / 600. 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 . Networks . Lecture. 12 . Continuously evolving Internet-working . Part . B: . QoS. , traffic engineering, SDN, . IoT. EDA344/DIT . 423, . CTH/GU. 1. 2. Internet protocol stack . layers&protocols. Congestion Control. If the transport entities on many machines send too many packets into the network too quickly, the network will become congested, with performance degraded as the packets are delayed and lost.. Multiplexing and demultiplexing. Connectionless transport: UDP. Principles of reliable data transfer . Connection-oriented transport: TCP. Principles of congestion control. TCP congestion control . Evolution of transport-layer functionality. Transport Layer. Computer Networking: A Top Down Approach . 4. th. edition. . Jim Kurose, Keith Ross. Addison-Wesley, July 2007. . Computer Networking: A Top Down Approach. , . 5. th. edition. . Jim Kurose, Keith Ross. 3.1 transport-layer services. 3.2 multiplexing and demultiplexing. 3.3 connectionless transport: UDP. 3.4 principles of reliable data transfer. 3.5 connection-oriented transport: TCP. segment structure. Dr. Rocky K. C. . Chang October 25, 2010. 1. The network congestion problem. 2. Problem: How to effectively and fairly allocate network resources among a collection of competing users?. Congestion is the state of sustained network overload..