'Round trip time' diaporamas de présentation

The Performance Bottleneck Application, Computer, or Network

1.44k views • 108 slides

Traffic management

Traffic management. An Engineering Approach to Computer Networking. An example. Executive participating in a worldwide videoconference Proceedings are videotaped and stored in an archive Edited and placed on a Web site Accessed later by others During conference

1.06k views • 90 slides

IP hijacking

IP hijacking. Sagar Vemuri (slides, courtesy Z. Morley Mao and Mohit Lad). Agenda. What is IP Hijacking? Types of IP Hijacking Detection and Notification of IP Hijacking Accurate real-time identification of IP hijacking PHAS: A Prefix Hijack Alert System. routes. Control plane:

711 views • 50 slides

Data and Computer Communications

636 views • 43 slides

Python for database access and Event driven programming in Python

601 views • 43 slides

Modeling TCP Throughput: A Simple Model and its Empirical Validation

Modeling TCP Throughput: A Simple Model and its Empirical Validation. Jitendra Padhye, Victor Firoiu, Don Towsley, and Jim Kurose Department of Computer Science University of Massachusetts Amherst, MA. Contributions.

637 views • 41 slides

Orbiting Satellites and Free-Fall Elevators

Orbiting Satellites and Free-Fall Elevators . Paul Robinson San Mateo High School pablo@laserpablo.com www.laserpablo.com. Dig deep . . . .

490 views • 38 slides

Ahmed Alharthi April 25, 2014 UCCS

471 views • 37 slides

Cross Layer Design in Wireless Mesh Networks

Cross Layer Design in Wireless Mesh Networks. ?????????? ?????? 2012/5/8. Source Reference.

542 views • 36 slides

471 views • 34 slides

Error control

Error control. An Engineering Approach to Computer Networking. CRC. Detects all single bit errors almost all 2-bit errors any odd number of errors all bursts up to M, where generator length is M longer bursts with probability 2^-m. Implementation. Hardware

422 views • 32 slides

1: Internet & Its Uses

1: Internet & Its Uses. Working at a Small-Medium Business or ISP. What is the Internet?. Back to the Future. Internet is a network of networks Originally for military, science research Available to consumers in 1991 New applications/uses being developed. Standards. Follow That Standard.

480 views • 31 slides

Balia ( Ba lanced li nked a daptation) A new MPTCP congestion control algorithm

Balia ( Ba lanced li nked a daptation) A new MPTCP congestion control algorithm. Qiuyu Peng Steven Low. Anwar Walid Jaehyun Hwang. July 2014. MPTCP Congestion Control. How to control congestion over multiple paths?

719 views • 29 slides

Network diagnostics made easy

Network diagnostics made easy. Matt Mathis 3/17/2005. The Wizard Gap. The non-experts are falling behind. Year Experts Non-experts Ratio 1988 1 Mb/s 300 kb/s 3:1 1991 10 Mb/s 1995 100 Mb/s 1999 1 Gb/s 2003 10 Gb/s 3 Mb/s 3000:1 2004 40 Gb/s Why?.

345 views • 20 slides

Internet Applications: Telnet, Ping and Traceroute

Internet Applications: Telnet, Ping and Traceroute. Timesharing Systems. Before Internet: Multiple terminals attach to a single, time sharing computers; a user interacts with the (timesharing) computer through its terminal; Each individual user can choose which application to run;

538 views • 17 slides

Fundamentals of Computer Networks ECE 478/578

Fundamentals of Computer Networks ECE 478/578. Lecture #3 Instructor: Loukas Lazos Dept of Electrical and Computer Engineering University of Arizona. Network Performance Metrics. Bandwidth Amount of data transmitted per unit of time; per link, or end-to-end

334 views • 15 slides

Secure Cloud Computing with Virtualized Network Infrastructure

Secure Cloud Computing with Virtualized Network Infrastructure. HotCloud 10 By Xuanran Zong. Cloud Security. Two end of the spectrum Amazon EC2 Shared, public cloud Resource multiplexing, low cost Low security Government cloud Dedicated infrastructure High cost High security.

295 views • 14 slides

Benchmarking Neighbor Discovery Problems

257 views • 10 slides

Available Bandwidth Measurement

Available Bandwidth Measurement. and the Obstacles to Overcome Accurate Measurement. Definitions. Available Bandwidth (AB): The rate a which packets can be sent through the network. AB is limited by two factors: Bottleneck : The minimum rate we can send packets (static)

164 views • 7 slides

Probing the Internet

Probing the Internet Keng Siau University of Nebraska-Lincoln Ping One of the simplest probing tools ping www.netbook.cs.purdue.edu Can be used to test whether a remote computer is alive Ping sends a message to specified computer wait a short time for a response

636 views • 4 slides