'Flow records' diaporamas de présentation

Sampling for Big Data

1.01k views • 90 slides

Sampling for Big Data

627 views • 50 slides

15-744: Computer Networking

597 views • 50 slides

Sampling for Big Data

542 views • 50 slides

Measurement II: Strategies, Pitfalls, Platforms

Measurement II: Strategies, Pitfalls, Platforms. Nick Feamster CS 7260 February 12, 2007. Internet Measurement. Process of collecting data that measure certain phenomena about the network Should be a science Today: closer to an art form Key goal: Reproducibility

498 views • 49 slides

Measurement: Techniques, Strategies, and Pitfalls

Measurement: Techniques, Strategies, and Pitfalls. Nick Feamster CS 6250 Fall 2011. Internet Measurement. Process of collecting data that measure certain phenomena about the network Should be a science Today: closer to an art form Key goal: Reproducibility

624 views • 48 slides

Monitoring your NetScaler Traffic with AppFlow

916 views • 46 slides

Traffic Monitoring, Estimation, and Engineering

476 views • 42 slides

Internet Measurement

533 views • 39 slides

Network Measurement

Network Measurement. Jennifer Rexford COS 461: Computer Networks Lectures: MW 10-10:50am in Architecture N101 http://www.cs.princeton.edu/courses/archive/spr12/cos461/. Why Measure the Network?. Scientific discovery Characterizing traffic, topology, performance

427 views • 35 slides

326 views • 32 slides

Standards Activities on Traffic Measurement

Standards Activities on Traffic Measurement. Outline. Applications requiring traffic measurement Packet capturing and flow measurement Existing protocols IETF IPFIX and PSAMP working groups. Applications Requiring Traffic Measurement (1). Usage-based accounting

324 views • 32 slides

Network Monitoring and Security

Network Monitoring and Security. Nick Feamster CS 4251 Spring 2008. Network Measurement. Passive vs. Active Measurement. Passive Measurement: Collection of packets, flow statistics of traffic that is already flowing on the network Packet traces Flow statistics Application-level logs

428 views • 27 slides

Automatically Inferring Patterns of Resource Consumption in Network Traffic

Automatically Inferring Patterns of Resource Consumption in Network Traffic. In Proceedings of SIGCOMM 2003 Reviewed By Michael Attig. http://www.acm.org/sigs/sigcomm/sigcomm2003/papers.html#p137-estan Authors: Cristian Estan, Stefan Savage, George Varghese

272 views • 27 slides

Network Measurement

Network Measurement. COS 461 Recitation http://www.cs.princeton.edu/courses/archive/spr14/cos461/. Why Measure the Network?. Scientific discovery Characterizing traffic, topology, performance Understanding protocol performance and dynamics Network operations Billing customers

394 views • 25 slides

Multi-granular, multi-purpose and multi-Gb/s monitoring on off-the-shelf systems

Multi-granular, multi-purpose and multi-Gb/s monitoring on off-the-shelf systems. TELE9752 Group 3. Agenda Introduction System Overview Performance Evaluation Results An Application Sample Related Work Conclusion. I. Introduction. W hat is it? Multi-granular

366 views • 19 slides

Wide-scale Botnet Detection and Characterization

Wide-scale Botnet Detection and Characterization. Anestis Karasaridis, Brian Rexroad, David Hoeflin. Introduction. The Master host is the computer used by the perpetrator and is used to issue commands that are relayed to the bots via the controller (often IRC servers). Contributions.

152 views • 15 slides

Application Identification in Information-poor Environments

Application Identification in Information-poor Environments. Charalampos (Haris) Rotsos Computer Laboratory University of Cambridge charalampos.rotsos@cl.cam.ac.uk. Overview. Application Identification allows: New Services (QoS/QoE) Administration (SLA) Understanding

229 views • 10 slides

Benoit Claise, Cisco Systems

Evaluation of NetFlow Version 9 Against IPFIX Requirements: changes from version 03 to 04 draft-claise-ipfix-eval-netflow-04.txt. Benoit Claise, Cisco Systems. Small Editorial Changes. Is it already implemented? Is it already in commercial use? ICMP Etc. Sampling.

190 views • 9 slides