'Link level' diaporamas de présentation

Special Topics on Wireless Ad-hoc Networks

Special Topics on Wireless Ad-hoc Networks. Lecture 11: TCP on Wireless Network. University of Tehran Dept. of EE and Computer Engineering By: Dr. Nasser Yazdani. Covered topics. How to run applications on wireless network? Transport layer References Chapter 4 of the book

1.72k views • 161 slides

??? IP ??????????? Wireless Multi-media over IP ? Technologies and Applications ??????? ????????????? ?????????????????

1.17k views • 92 slides

HP-UX Network Performance Tuning and Application Troubleshooting Tools

HP-UX Network Performance Tuning and Application Troubleshooting Tools. Pat Kilfoyle Systems Support Engineer Hewlett-Packard Co. 3380 146 th Place SE Bellevue, WA 98007 Email: pat_kilfoyle@hp.com. Purpose.

897 views • 84 slides

CS 552 Wireless TCP slides by B. Nath

CS 552 Wireless TCP slides by B. Nath. Wireless TCP. Packet loss in wireless networks may be due to Bit errors Handoffs Congestion (rarely) Reordering (rarely, except in ad-hoc networks (mobile)) TCP assumes packet loss is due to Congestion Reordering (rarely)

609 views • 54 slides

CS 552 Wireless TCP slides by B. Nath

CS 552 Wireless TCP slides by B. Nath. Wireless TCP. Packet loss in wireless networks may be due to Bit errors Handoffs Congestion (rarely) Reordering (rarely, except in ad-hoc networks (mobile)) TCP assumes packet loss is due to Congestion Reordering (rarely)

542 views • 54 slides

Lecture 4: Authentication

Lecture 4: Authentication Anish Arora CIS651 Introduction to Network Security Password-based authentication Proof by knowledge sharing convenient for dealing with people (unaided by smart end devices)

834 views • 42 slides

Towards a scientific basis for determining En Route capacity

Towards a scientific basis for determining En Route capacity. Alex Bayen Charles Roblin Dengfeng Sun Guoyuan Wu. University of California, Berkeley Department of Civil Engineering Systems Engineering. March16 th , 2006, Pacific Grove, CA.

525 views • 42 slides

Towards a scientific basis for determining En Route capacity

Towards a scientific basis for determining En Route capacity. Alex Bayen Charles Roblin Dengfeng Sun Guoyuan Wu. University of California, Berkeley Department of Civil Engineering Systems Engineering. March16 th , 2006, Pacific Grove, CA.

420 views • 42 slides

Interface Layer

Interface Layer. 2005. 5. 23 ? ? ? steigensonne@hufs.ac.kr. Contents. Intro ifnet Strucure ifaddr Structure sockaddr Structure Ifnet and ifaddr Specialization Network initialization overview Ethernet initialization SLIP initialization Lookback Initialization if_attach Function

567 views • 40 slides

Transport layer in ad hoc and sensor network

Transport layer in ad hoc and sensor network. Wireless Ad-Hoc Networking (ELG7178F) Breeson Francis December 5 th 2011. Outline. Introduction to TCP TCP Mechanisms Problems in TCP Approaches References. Introduction to TCP. TCP is a connection based protocol 3 way Hand-shake

352 views • 35 slides

Transport layer in ad hoc and sensor network

Transport layer in ad hoc and sensor network. Wireless Ad-Hoc Networking (ELG7178F) Breeson Francis December 5 th 2011. Outline. Introduction to TCP TCP Mechanisms Problems in TCP Approaches References. Introduction to TCP. TCP is a connection based protocol 3 way Hand-shake

433 views • 35 slides

Network Security

Network Security. Bijendra Jain (bnj@cse.iitd.ernet.in). Lecture 1: Introduction. Top-level issues. Safety, security and privacy Security policy threats, both external and internal economic gains cost of securing resources cryptographic methods vs. physical security

437 views • 34 slides

Analysis of TCP over wireless links implementing hybrid FEC/ARQ-SR at the link level

426 views • 28 slides

Disruption-Tolerant Link-level Mechanisms for Extreme Wireless Network Environments

TCP Receiver. TCP Sender. Packets, FEC. Status Reports. Repairs. Disruption-Tolerant Link-level Mechanisms for Extreme Wireless Network Environments. Vijay Subramanian 1 , K. K. Ramakrishnan 2 and Shiv Kalyanaraman 1 1-(Rensselaer Polytechnic Institute) , 2-(AT&T Labs Research).

402 views • 27 slides

Performance Analysis of the Intertwined Effects between Network Layers for 802.11g Transmissions

Performance Analysis of the Intertwined Effects between Network Layers for 802.11g Transmissions. Jon Gretarsson, Feng Li, Mingzhe Li, Ashish Samant, Huahui Wu, Mark Claypool and Robert Kinicki WPI Computer Science Department Worcester, MA, 01609 USA. Presenter - Bob Kinicki.

380 views • 26 slides

Communication Systems Simulation - I Harri Saarnisaari

Communication Systems Simulation - I Harri Saarnisaari Part of Simulations and Tools for Telecommunication Course. Introduction. First we study what simulation methods are available Then we study the structure of communication systems and discuss their simulations. Simulation methods.

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Oxfordshire DNF Initiatives

367 views • 16 slides

Reliable Transport Layers in Wireless Networks

Reliable Transport Layers in Wireless Networks. Mark Perillo Electrical and Computer Engineering. Review of TCP. Originally designed for wired networks Assumptions: Lost packets are caused by network congestion Fairly stable RTT Constant bandwidth Lengthy connections.

319 views • 16 slides

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs)

Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: [System level simulation parameters proposal ] Date Submitted: [January 15 th , 2013 ] Source: [Marco Hernandez, Huan-Bang Li, Igor Dotli? , Ryu Miura ] Company: [ NICT]

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Resource Virtualization Techniques for Wide-Area Overlay Networks

177 views • 6 slides