PPT-Congestion Control in Multi-hop Wireless Mesh Networks

Ihsan Ayyub Qazi Background Congestion Control What is congestion A network state where the arrival rate exceeds the service rate Throughput starts decreasing due to packet losses Delay increases fast queues build up. 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!. and. Resource Allocation. Lecture material taken from. “Computer Networks . A Systems Approach. ”, Third . Edition,Peterson. and Davie,. Morgan Kaufmann, . 2007. .. Advanced Computer Networks. Congestion Control Outline. Henning Schulzrinne. FCC & Columbia University. Overview. A taxonomy of nodes, relationships and devices. Efficiency and capacity. Technical background. Alternatives for public safety. 3. Wireless routers. White Paper | Combining a multi-radio architecture with high- performance routing to optimize video surveillance and other multimedia-grade applications March 2011 Aruba Networks 2 Wireless Mesh Tabl Computer Networks. Principles of Congestion Control. Congestion:. informally: “too many sources sending too much data too fast for the . network. to handle”. different from flow control!. manifestations:. 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 . Communication . Networks. . Materials with thanks to Scott . Shenker. ,. . Jennifer Rexford, Ion . Stoica. , Vern . Paxson. and other colleagues at Princeton and UC Berkeley. Wireless. . – there is no cat!. Fair Scheduling & Load Balancing. Jason Ernst. University of Guelph. Advisor: Dr. . Mieso. Denko. Presentation Outline. Introduction & Background. Wireless Mesh Networks. Motivation. Fair . Scheduling. Nick Baker. Adaptive Wireless Solutions Ltd. TV IoT Meetup 25/01/17. Adaptive Wireless Solutions Ltd. 12 years’ experience . delivering wireless monitoring and control . solutions. VAR . and Distributor in UK and Europe . 11/14/12. http://. www.youtube.com/watch?v=B7yayA6mJe8. Overview. Wireless networks are used almost . everywhere:. . At . home, in industry, . for entertainment….. Anywhere there is communication required, WLAN’s are . 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.. EE 122: Intro to Communication Networks. . Materials with thanks to . Scott Shenker, . Jennifer Rexford, Ion Stoica, Vern Paxson. and other colleagues at Princeton and UC Berkeley. 2. 3. Metrics for evaluation / comparison of wireless technologies. . Materials with thanks to . Scott . Shenker. , . Jennifer Rexford, Ion . Stoica. , Vern . Paxson. and other colleagues at Princeton and UC Berkeley. Wireless. . – there is no cat!. "You see, wire telegraph is a kind of a very, very long cat. You pull his tail in New York and his head is meowing in Los Angeles. . Wireless Foundation: . Wireless Mesh Networks. Yang (Richard) Yang. Computer . Science Department. Yale University. 208A . Watson. Email: . yry@cs.yale.edu. http://. zoo.cs.yale.edu. /classes/cs434. /.