'Fair queuing' diaporamas de présentation

QoS Architecture

QoS Architecture. Components (Technologies) of a QoS Network At routers: Packet Classification Packet Scheduling or Queuing method At network entrance Traffic conditioning Policing Marking Shaping At routers or somewhere in the network Admission Control Between hosts and routers:

1.41k views • 83 slides

Computer Networks: Mechanisms for Quality of Service

Computer Networks: Mechanisms for Quality of Service. Ivan Marsic Rutgers University. Chapter 5 - Mechanisms for Quality-of-Service. Mechanisms for Quality-of-Service. Chapter 5. Topic : Scheduling. ? Max-Min Fair Share ? Fair Queuing (FQ) ? Weighted Fair Queuing (WFQ).

894 views • 69 slides

COM 360

COM 360. Chapter 6. Congestion Control and Resource Allocation. Allocating Resources. How do we effectively allocate resources among a collection of competing users?

663 views • 65 slides

AQM and packet scheduling, ... again!

675 views • 58 slides

15-744: Computer Networking

15-744: Computer Networking. L-9 Queuing. Queuing. Fair Queuing Core-stateless Fair queuing Assigned reading [DKS90] Analysis and Simulation of a Fair Queueing Algorithm, Internetworking: Research and Experience [XCP] Congestion Control for High Bandwidth-Delay Product Networks Optional

500 views • 49 slides

Packet Scheduling (The rest of the dueling bandwidth story)

Packet Scheduling (The rest of the dueling bandwidth story). Lab 9: Configuring a Linux Router. Set NICs in 10 Mbps full-duplex mode Enable IPv4 forwarding Manually configure routing tables Install tcp_sink and udp_sink Generate traffic from tcp_gen and udp_gen

496 views • 48 slides

Fair Queuing for Aggregated Multiple Links

628 views • 45 slides

CS 268: Computer Networking

CS 268: Computer Networking. L-5 Congestion Management and Router Queues. Fair Queuing. Fair Queuing Core-stateless Fair queuing Assigned reading [DKS90] Analysis and Simulation of a Fair Queueing Algorithm, Internetworking: Research and Experience

363 views • 35 slides

Towards Predictable Multi-Tenant Shared Cloud Storage

Towards Predictable Multi-Tenant Shared Cloud Storage. David Shue*, Michael Freedman*, and Anees Shaikh ?. *Princeton ? IBM Research. Shared Services in the Cloud. Y. Y. F. F. Z. Z. T. T. DynamoDB. S3. EBS. SQS. Co-located Tenants Contend For Resources. 2x demand. 2x demand. Z.

511 views • 33 slides

Chapter 6 Congestion Control and Resource Allocation

Chapter 6 Congestion Control and Resource Allocation. Outline 6.1 Issues in Resource Allocation 6.2 Queuing Discipline 6.3 TCP Congestion Control 6.4 Congestion Avoidance Mechanisms 6.5 Quality of Service. 6.1 Issues in Resource Allocation. Two sides of the same coin

512 views • 31 slides

CSC 336 Data Communications and Networking Lecture 8d: Congestion Control : RSVP

CSC 336 Data Communications and Networking Lecture 8d: Congestion Control : RSVP. Dr. Cheer-Sun Yang Spring 2001. Integrates Services Architecture. Changes in traffic demands require variety of quality of service Internet phone, multimedia, multicast New functionality required in routers

452 views • 29 slides

CNPA B

445 views • 25 slides

Advance Computer Networking

Advance Computer Networking. L-5 TCP & Routers 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. Fair Queuing.

281 views • 25 slides

Traffic Management at the Packet Level Cont. Fair and Weighted Fair Queuing

Transmission & Switching NETW601 Tutorial (9). Traffic Management at the Packet Level Cont. Fair and Weighted Fair Queuing. Eng. Hadil Hisham Eng. Mariham Wasfy. Problem with previous strategies. NO FAIRNESS among users.

260 views • 23 slides

Queuing and Basics of QoS

Queuing and Basics of QoS. Mozafar Bag-Mohammadi. Queuing Disciplines. Each router must implement some queuing discipline Scheduling discipline Drop policy Queuing allocates both bandwidth and buffer space: Bandwidth: which packet to serve (transmit) next

342 views • 20 slides

Portcullis: Protecting Connection Setup from Denial-of-Capability Attacks

Portcullis: Protecting Connection Setup from Denial-of-Capability Attacks. Bryan Parno, Dan Wendlandt, Elaine Shi, Adrian Perrig, Bruce Maggs, Yih-Chun Hu Offense: Kiaie, A., Teng, X. Outline. Relevance Deployment Scalability. Relevance?. Portcullis is not solution to DoS

283 views • 15 slides

Voice over IP

Voice over IP. IP Networking Overview. IP assumes delay and packet ordering problems. Voice Delay with IP. One-Way, Mouth-to-Ear Delay. Description. 1-150 ms. Suitable for most delay sensitive applications like voice. 150-400 ms.

284 views • 14 slides

Improving Individual Flow Performance with Multiple Queue Fair Queuing

Improving Individual Flow Performance with Multiple Queue Fair Queuing. Author: Manfred Georg, Christoph Jechlitschek, Sergey Gorinsky Publisher: Quality of Service, 2007 Fifteenth IEEE International Workshop on Presenter: Chun-Yi Li Date: 2008/10/29. Overview. Previous Work

317 views • 14 slides

The Internet is Broken, and How to Fix It Jim Gettys Bell Labs July 27, 2012

The Internet is Broken, and How to Fix It Jim Gettys Bell Labs July 27, 2012. Bufferbloat Status. Many problems all over the network: the edge is likely the most severe, though it is endemic in hosts, home routers, broadband gear, 3g, some switches, overloaded routers.... Be paranoid!

94 views • 8 slides