'Congestion collapse' diaporamas de présentation

Computer Networks (Graduate level)

Computer Networks (Graduate level). Lecture 8: Congestion Control. University of Tehran Dept. of EE and Computer Engineering By: Dr. Nasser Yazdani. Congestion Control. Congestion control basics TCP congestion control Assigned reading [JK88] Congestion Avoidance and Control

1.19k views • 92 slides

Computer Networks (Graduate level)

Computer Networks (Graduate level). Lecture 13: Congestion Control. University of Tehran Dept. of EE and Computer Engineering By: Dr. Nasser Yazdani. Congestion Control. Congestion control basics TCP congestion control Assigned reading [JK88] Congestion Avoidance and Control

935 views • 75 slides

Advance Computer Networking

Advance Computer Networking. L-4 TCP Acknowledgments: Lecture slides are from the graduate level Computer Networks course thought by Srinivasan Seshan at CMU. When slides are obtained from other sources, a reference will be noted on the bottom of that slide. This Lecture: Congestion Control.

1.19k views • 60 slides

Computer Networks

710 views • 57 slides

CMPE 150 Fall 2005 Lecture 27

CMPE 150 Fall 2005 Lecture 27. Introduction to Computer Networks . Announcements. Homework 5 posted. Due, Mon, 12.05. Lab tonight! Final exam: December 7 th . 4-7pm In class. Closed books/notes. Comprehensive. Course evaluation. Last day of class. CE 151 will be offered in Winter 06!.

729 views • 56 slides

TCP and Congestion Control

TCP and Congestion Control. Supplemental slides 02/21/07 Aditya Akella. Introduction to TCP. Communication abstraction: Reliable Ordered Point-to-point Byte-stream Full duplex Flow and congestion controlled Protocol implemented entirely at the ends Fate sharing

943 views • 44 slides

Oblivious AQM and Nash Equilibria

Oblivious AQM and Nash Equilibria. D. Dutta, A. Goel and J. Heidemann USC/ISI USC USC/ISI IEEE INFOCOM 2003 - The 22nd Annual Joint Conference of the IEEE Computer and Communications Societies Presented By Sharon Mendel

680 views • 42 slides

Bandwidth on the Internet

655 views • 40 slides

Transport and Naming: UDP, TCP, DNS

Transport and Naming: UDP, TCP, DNS. CS 4251: Computer Networking II Nick Feamster Spring 2008. Transport Protocols. Lowest level end-to-end protocol. Header generated by sender is interpreted only by the destination Routers view transport header as part of the payload. 7. 7. 6. 6. 5.

530 views • 37 slides

Internet congestion control: evolution and current open issues

Internet congestion control: evolution and current open issues. Michael Welzl http://www.welzl.at Institute of Computer Science University of Innsbruck. CAIA guest talk Swinburne Univ., Melbourne AUS 22 January, 2008. Outline. Problem description ( 1986-1988 ) congestion collapse

466 views • 36 slides

Designing DCCP: Congestion Control Without Reliability

534 views • 33 slides

689 Lecture 2

689 Lecture 2. Review of Last Lecture Networking basics TCP/UDP review. Multimedia Applications. Video-on-demand Near-video-on-demand Interactive games Teleconferencing IP Telephony Training/Travel videos. Multimedia Requirements. Guarantees over long periods of time

390 views • 27 slides

pFabric : Minimal Near-Optimal Datacenter Transport

pFabric : Minimal Near-Optimal Datacenter Transport. Mohammad Alizadeh Shuang Yang, Milad Sharif, Sachin Katti , Nick McKeown , Balaji Prabhakar , Scott Shenker Stanford University U.C. Berkeley/ICSI Insieme Networks . Transport in Datacenters.

552 views • 23 slides

RCRT: Rate-Controlled Reliable Transport for Wireless Sensor Networks

RCRT: Rate-Controlled Reliable Transport for Wireless Sensor Networks. Jeongyeup Paek. Outline. Motivation Design goal RCRT Design End-to-end Loss recovery Congestion detection Rate adaptation Rate allocation Evaluation Conclusion. Sensor Network Applications.

355 views • 23 slides

RCRT: Rate-Controlled Reliable Transport for Wireless Sensor Networks

RCRT: Rate-Controlled Reliable Transport for Wireless Sensor Networks. Jeongyeup Paek. Outline. Motivation Design goal RCRT Design End-to-end Loss recovery Congestion detection Rate adaptation Rate allocation Evaluation Conclusion. Sensor Network Applications.

345 views • 23 slides

Deconstructing Datacenter Packet Transport

Deconstructing Datacenter Packet Transport. Mohammad Alizadeh , Shuang Yang, Sachin Katti , Nick McKeown , Balaji Prabhakar , Scott Shenker Stanford University U.C. Berkeley/ICSI. Transport in Datacenters. Who does she know?. Large-scale Web Application.

381 views • 22 slides

6.033 Lecture 11 Congestion Control

293 views • 21 slides

234 views • 17 slides

TCP AIMD

multiplicative decrease: cut CongWin in half after loss event. TCP AIMD. additive increase: increase CongWin by 1 MSS every RTT in the absence of loss events: probing. Long-lived TCP connection.

588 views • 16 slides

What is TCP?

What is TCP?. Connection-oriented reliable transfer No packet loss. How? Uses acknowledgments, retransmission, and TO. Stream paradigm Allows sender to generate a stream of bytes; then divide stream into small segments; and then sends each segment in IP datagram. Flow control

234 views • 13 slides