'Queue length' presentation slideshows

Telecommunication Systems and Technologies

933 views • 76 slides

The Big Picture: Where are We Now?

Control. Control. Datapath. Datapath. The Big Picture: Where are We Now?. I/O Systems. Network. Processor. Processor. Input. Input. Memory. Memory. Output. Output. interrupts. Processor. Cache. Memory - I/O Bus. Main Memory. I/O Controller. I/O Controller. I/O Controller.

782 views • 67 slides

Congestion Control and Active Queue Management

Congestion Control and Active Queue Management. Review of TCP Congestion Control A simple TCP throughput formula RED and Active Queue Management How RED works Fluid model of TCP and RED interaction (optional material) Other AQM mechanisms XCP: congestion for large delay-bandwidth product

1.36k views • 62 slides

Explicit Congestion Notification (ECN)

Explicit Congestion Notification (ECN). Jinjing Jiang and Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@wustl.edu IEEE 802.1 Congestion Group Meeting, Dallas , TX Nov 14 , 2006. Overview. Explicit Congestion Notification (ECN): What and Why?

757 views • 59 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

Privacy-Preserving IntelliDrive Data for Signalized Intersection Performance Measurement

Fine-Grained Urban Traffic Knowledge Extraction Using Mobile Sensing Xuegang (Jeff) Ban Rensselaer Polytechnic Institute Marco Gruteser Rutgers University August 12, UrbComp 2012 Workshop. Privacy-Preserving IntelliDrive Data for Signalized Intersection Performance Measurement.

411 views • 28 slides

Defense: Christopher Francis , Rumou duan

385 views • 25 slides

TCP Friendly Streaming

TCP Friendly Streaming. Ketan Mayer-Patel. TCP Congestion Control Review. 3 phases Slow-start Probing for initial congestion level. Congestion Avoidance Additive increase, multiplicative decrease Fast Retransmission/Recovery Optimizations. Slow-Start. At beginning or after an RTO loss.

331 views • 23 slides

Resource Selection Services for a Single Job Execution

Resource Selection Services for a Single Job Execution. Soonwook Hwang National Institute of Informatics/NAREGI OGSA F2F RSS Session Sunnyvale, CA, US Aug 15, 2005. Job Manager. What are the services OGSA-RSS wants to define?. Candidate Set Generator (Work -Resource mapping).

317 views • 22 slides

Can Google Route?

Can Google Route?. Building a High-Speed Switch from Commodity Hardware Guido Appenzeller, Matthew Holliman Q2/2002. Outline. Motiavation: Cost of switches The Basic Unit Switching Fabrics Analysis & Reality Check. PC Gigabit Ethernet Card $34.99 (32 Bit) $49.35 (64 Bit) Layer 2

326 views • 21 slides

Block Design Review: Queue Manager and Scheduler

Block Design Review: Queue Manager and Scheduler. Amy M. Freestone Sailesh Kumar. V 1. Rsv (3b). Port (4b). Buffer Handle(24b). QM/Schd. Overview. Lookup. Hdr Format. Switch Tx. S W I T C H. Phy Int Rx. Key Extract. QM/Scheduler Function:

288 views • 20 slides

524 views • 19 slides

356 views • 19 slides

A Comparison of Load-based and Queue-based Active Queue Management Algorithms

A Comparison of Load-based and Queue-based Active Queue Management Algorithms. Minseok Kwon and Sonia Fahmy Department of Computer Sciences Purdue University {kwonm, fahmy}@cs.purdue.edu All our slides and papers are available at: http://www.cs.purdue.edu/~fahmy/. Congestion Control.

336 views • 19 slides

Buffer Management for Shared-Memory ATM Switches

Buffer Management for Shared-Memory ATM Switches. Written By: Mutlu Apraci John A.Copelan Georgia Institute of Technology Presented By: Yan Huang. Outline. Describe several buffer management policies, and their strengths and weakness.

287 views • 17 slides

Overload Design Team Status

Overload Design Team Status. Jonathan Rosenberg Cisco. Team Overview. Design team formed January 2007 Working on simulations of overload mechanisms Composed of experts in this area Many non-IETF participants Bi-Weekly Calls. Current Status. Agreed on simulation model

233 views • 13 slides

Congestion Avoidance

Congestion Avoidance. Tahir Azim. Announcements. OHT 2 results out Programming Assignment 2 queries Results (excluding Written Assignment 2) uploaded to group today How many submitted Prog Asgn 1? Viva for ENT portion of Prog Asgn on Thursday (tomorrow) in ENT Lab. Average Packet delay.

385 views • 12 slides

Congestion Notification for Data Center Ethernet Networks: Key Principles

Congestion Notification for Data Center Ethernet Networks: Key Principles. Raj Jain, Jinjing Jiang, Chakchai So-In Washington University in Saint Louis Saint Louis, MO 63130 Jain@cse.wustl.edu IEEE 802.1au Meeting, San Francisco, July 18, 2007 These slides are also available at:

219 views • 12 slides

Traffic Light Simulation

Lynn Jepsen. Traffic Light Simulation. Introduction and Background. Try and find the most efficient way to move cars through an intersection at different traffic densities Want to see waiting time and queue length go down Green light usage needs to go up

395 views • 6 slides

NS2

NS2. Chih-Heng Ke ( ??? ) smallko@ee.ncku.edu.tw MSN: smallko@hotmail.com. Outline 1. NS2 Installation cygwin installation ns2.26, ns2.27, ns2.28, ns2.29 ns-2 802.11 support (ET/SNR/BER-based PHY models, 802.11a multirate, 802.11e HCCA and EDCA) myNS2 How to apply the patch

422 views • 6 slides