'End throughput' diaporamas de présentation

Hybrid Networks

760 views • 75 slides

Mitigating Congestion in Wireless Sensor Networks

Mitigating Congestion in Wireless Sensor Networks. Bret Hull, Kyle Jamieson, Hari Balakrishnan Networks and Mobile Systems Group MIT Computer Science and Artificial Intelligence Laboratory. Congestion is a problem in wireless networks. Difficult to provision bandwidth in wireless networks

577 views • 34 slides

Computer Networks Performance Metrics

Advanced Computer Networks Fall 2013. Computer Networks Performance Metrics. Performance Metrics Outline. Warning: Terminologies can differ!! Introduction to Queueing Model Generic Performance Metrics Components of Hop and End-to-End P acket Delay Traceroute Tool

549 views • 32 slides

NetSlices : Scalable Multi-Core Packet Processing in User-Space

NetSlices : Scalable Multi-Core Packet Processing in User-Space. Tudor Marian, Ki Suh Lee, Hakim Weatherspoon Cornell University Presented by Ki Suh Lee. Packet Processors. Essential for evolving networks Sophisticated functionality Complex performance enhancement protocols.

452 views • 29 slides

HIMAC

HIMAC. High Throughput MAC layer Multicasting. Jaya Goyal MSc. 1 st Year. CONTENTS. Why HIMAC Performance Limitations in IEEE 802.11 MAC protocol * Channel State Indifference * Demand Ignorance Proposed solution is HIMAC * UCF * UNF Working of HIMAC Possible cases

401 views • 26 slides

How do loss and delay occur?

packets queue in router buffers packet arrival rate to link exceeds output link capacity packets queue, wait for turn. packet being transmitted (delay). packets queueing (delay). free (available) buffers: arriving packets dropped ( loss ) if no free buffers.

483 views • 25 slides

Oceans Observations

Water. EarthScope. Oceans Observations. Cyberinfrastructure in an Era of Observation and Simulation. Eva Zanzerkia, NSF GEO/EAR. Environmental Obs. Earth System Modeling. Satellites. This Talk. Context at the National and Agency scale CIF21 Data Management What this means for CUAHSI.

297 views • 21 slides

Improving throughput by tuning carrier sensing in 802.11 wireless networks

Improving throughput by tuning carrier sensing in 802.11 wireless networks. Qiang Shen a , Xuming Fang a , Rongshen Huang b , Pan Li b , Yuguang Fang b. a: Provincial Key Lab of Information Coding and Transmission, Southwest Jiaotong University b: Department of ECE, University of Florida.

320 views • 20 slides

USATLAS perfSONAR Status

USATLAS perfSONAR Status. Shawn McKee for the USATLAS Throughput Working Group. perfSONAR. perfSONAR is being developed as a common network measurement and diagnostic infrastructure by a consortium including ESnet, Internet2, CANARIE, GEANT and other world-wide R&E networks.

168 views • 8 slides