'Average queue length' diaporamas de présentation

Quality of Service Support

Quality of Service Support. QOS in IP Networks. IETF groups are working on proposals to provide QOS control in IP networks, i.e., going beyond best effort to provide some assurance for QOS Work in Progress includes RSVP, Differentiated Services, and Integrated Services

1.14k views • 50 slides

Professor Dan Rubenstein Tues 4:10-6:40, Mudd 1127

Electrical Engineering E6761 Computer Communication Networks Lecture 10 Active Queue Mgmt Fairness Inference. Professor Dan Rubenstein Tues 4:10-6:40, Mudd 1127 Course URL: http://www.cs.columbia.edu/~danr/EE6761. Announcements. Course Evaluations Please fill out (starting Dec. 1 st )

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Priority Scheduling: An Application for the Permutahedron

Priority Scheduling: An Application for the Permutahedron. Ethan Bolker UMass-Boston BMC Software AMS Toronto meeting September 24, 2000. Plan. Brief introduction to queueing theory Priority scheduling Conservation laws and the permutahedron Specifying CPU shares

589 views • 46 slides

Online Service Management Algorithm for Cellular/WALN Multimedia Networks

Online Service Management Algorithm for Cellular/WALN Multimedia Networks. SOFSEM 2007 Sungwook Kim Sogang University Department of Computer Science Seoul, South Korea. Introduction. Efficient network resource management - key to enhance network performance & QoS

556 views • 45 slides

SIMULATION EXAMPLES

SIMULATION EXAMPLES. Simulation Examples. Monte-Carlo (Static) Simulation Estimating profit on a sale promotion Newsvendor Problem Estimating the value of p Approximating Integrals Dynamic System Simulation Queueing systems M/U/1 G/G/1 Inventory systems

673 views • 41 slides

Random Early Detection Gateways for Congestion Avoidance

Random Early Detection Gateways for Congestion Avoidance. Sally Floyd and Van Jacobson, IEEE Transactions on Networking , Vol.1, No. 4, (Aug 1993), pp.397-413. Presented by Bob Kinicki. Outline. Introduction Background: Definitions and Previous Work The RED Algorithm RED parameters

509 views • 40 slides

Random Early Detection Gateways for Congestion Avoidance

Random Early Detection Gateways for Congestion Avoidance. Sally Floyd and Van Jacobson, IEEE Transactions on Networking , Vol.1, No. 4, (Aug 1993), pp.397-413. Outline. Introduction Background: Definitions and Previous Work The RED Algorithm RED parameters RED simulation results

611 views • 40 slides

A State Feedback Control Approach to Stabilizing Queues for ECN-Enabled TCP Connections

A State Feedback Control Approach to Stabilizing Queues for ECN-Enabled TCP Connections. Yuan Gao and Jennifer Hou IEEE INFOCOM 2003, San Francisco, April 2003 Presented by Bob Kinicki. Outline. Introduction Enhanced TCP model Analyze the Interaction between TCP and AQM

460 views • 40 slides

Chapter 11: Waiting Line Models

Chapter 11: Waiting Line Models. Instructor: Dr. Neha Mittal. Queuing theory is the knowledge dealing with waiting lines. Waiting Line Models consist of mathematical formulas and relationships that can be used to determine the operating characteristics for a waiting line.

4.31k views • 38 slides

Slide Set 14: TCP Congestion Control

Slide Set 14: TCP Congestion Control. In this set. We begin Chapter 6 but with 6.3. We will cover Sections 6.3 and 6.4. Mainly deals with congestion control with TCP. Goal of TCP Congestion Control. Goal of TCP is to determine the available network capacity and prevent network overload.

485 views • 36 slides

TCP Schemes Investigation in Wired and Wireless Hybrid Networks

TCP Schemes Investigation in Wired and Wireless Hybrid Networks. By Weiwei Hu and Wei Zha Dec. 8, 2004. Outline. Introduction Random Loss Model TCP-Jersey TCP-Westwood Performance Analysis Conclusion References. Introduction. Transmission Control Protocol (TCP) reliable end-to-end

397 views • 28 slides

Capacity Setting and Queuing Theory

Capacity Setting and Queuing Theory. BAMS 580B. Capacity and Resources. A key lever for improving patient flow. How do we measure capacity? What is the capacity of a 20 seat restaurant? A 16 bed ward? Capacity is a RATE Patients/day Customers/hour

525 views • 28 slides

Random Early Detection Gateways for Congestion Avoidance

Random Early Detection Gateways for Congestion Avoidance. Sally Floyd and Van Jacobson, IEEE Transactions on Networking , Vol.1, No. 4, (Aug 1993), pp.397-413. Outline. Introduction Background: Definitions and Previous Work The RED Algorithm RED parameters Evaluation of RED

343 views • 27 slides

CSE 30264 Computer Networks

387 views • 26 slides

Performance Analysis and Monitoring Facilities in CPN Tools

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Some Challenges in On-Chip Interconnection Networks

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Performance Improvement Levers

Performance Improvement Levers. These sides and note were prepared using 1. Managing Business Process Flow; Anupindi , et al. . Lessons Learned. If inter-arrival and processing times are constant, queues will build up if and only if the arrival rate is greater than the processing rate.

256 views • 14 slides

Coupled congestion control for RTP media

Coupled congestion control for RTP media. draft-welzl-rmcat-coupled-cc- 02 Michael Welzl , Safiqul Islam, Stein Gjessing. RMCAT @ 88th IETF Meeting Vancouver, BC, Canada 6 November 2013. FP7 RITE Reducing Internet Transport Latency. Flow State Exchange (FSE). Flow 1. SBD.

272 views • 14 slides

Neon Cactus Queuing

Neon Cactus Queuing. Shamik Amin Kenneth Huber Kyle Pearl Kyle Strawser shamin@purdue huberk@purdue kmpearl@purdue kstrawse@purdue. Project Objective. Analyze Queue system outside of Piano Bar at the Neon Cactus on a Thursday Night Plot Queue Wait Time

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CS 590 F Fall 2000 Paper presentation by Vadim Gorbach

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