'Contention' diaporamas de présentation

Adaptive Packet Reservation Protocols

Adaptive Packet Reservation Protocols. ??? ?? ???????? ???. O UTLINE. An Overview of IEEE 802.11 Legacy 802.11 ? DCF ( Distributed coordination function ) PCF ( Point coordination function ) QoS S upport M echanisms of 802.11e ? EDCF ( Enhanced DCF ) HCF controlled channel access.

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Wireless LANs and IEEE 802.11 MAC

Wireless LANs and IEEE 802.11 MAC. CSE 6590 Winter 2012. Overview. Applications of Wireless LANs. Key application areas: LAN extension cross-building interconnect nomadic access ad hoc networking. Infrastructure Wireless LAN. Ad Hoc Networking.

799 views • 59 slides

Configuring Microsoft BizTalk Server for Performance

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Wireless Protocols You Just Have to Know About!

Wireless Protocols You Just Have to Know About!. Todd Lammle (FCC RF Licensed) Certified Wireless Administrator (CWA) instructor, Sybex author. www.wirelesstechnologygroup.org www.globalnettraining.com www.routersim.com. About Todd Lammle. President, GlobalNet Training, inc

560 views • 41 slides

Language analysis

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Mobile Ad Hoc Networks 4th Week (Part I) 09.05.2007

Mobile Ad Hoc Networks 4th Week (Part I) 09.05.2007. Faisal Aslam and Chia Ching Ooi aslam@informatik.uni-freiburg.de ooi@informatik.uni-freiburg.de. Responsibilities of MAC. Facilitate single-hop communication No routing here Some broadcast! Sharing the medium

429 views • 30 slides

Achieving MAC Layer Fairness in Wireless Packet Networks

Achieving MAC Layer Fairness in Wireless Packet Networks. Thyagarajan Nandagopal, Tae-Eun Kim, Xia Gao, and Vaduvur Bharghavan Reviewed and presented by Tomas Henriksson. Presentation Outline. Introduction Contention resolution algorithms Fairness in IEEE 802.11 Analytical framework

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4.5 DISTRIBUTED MUTUAL EXCLUSION

4.5 DISTRIBUTED MUTUAL EXCLUSION. MOSES RENTAPALLI. AGENDA. MUTUAL EXCLUSION MUTUAL EXCLUSION IN DISTRIBUTED OPERATING SYSTEMS ALGORITHMS IN DISTRIBUTED MUTUAL EXCLUSION RESEARCH SUMMARY. MUTUAL EXCLUSION.

750 views • 24 slides

CA-RTO: A Contention-Adaptive Retransmission Timeout

CA-RTO: A Contention-Adaptive Retransmission Timeout. I. Psaras, V. Tsaoussidis, L. Mamatas Demokritos University of Thrace, Xanthi, Greece. This study was presented in the International Conference on Computer Communications and Networks (ICCCN 2005). Contributions of this work.

393 views • 24 slides

Jerry Breecher

OPERATING SYSTEMS Distributed System Structures. Jerry Breecher. DISTRIBUTED STRUCTURES. This chapter sets the foundation for our discussion about networks and distributed OS. VOCABULARY

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Proposed MAC Frame Structure

Proposed MAC Frame Structure. July, 2014. Samsung-ETRI. A frame comprises of synchronization slot, discovery slot, peering slot, and communication slot A frame period is same as synchronization interval Distributed synchronization. Discussion.

362 views • 22 slides

Proposed MAC Frame Structure

Proposed MAC Frame Structure. July, 2014. Samsung-ETRI. A frame comprises of synchronization slot, discovery slot, peering slot, and communication slot A frame period is same as synchronization interval Distributed synchronization. Discussion.

306 views • 22 slides

Chapter 3

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2011 NBA lockout

2011 NBA lockout. Kevin Chu. Background. The previous Collective Bargaining Agreement signed on July 2005 was set to expire on July 2011. Did not want a repeat of the 1998-99 lockout. Negotiations on a new CBA began in early 2011.

314 views • 16 slides

Research Challenges in Wireless Networks of Biomedical Sensors 1

Research Challenges in Wireless Networks of Biomedical Sensors 1. Loren Schwiebert Wayne State University Department of Computer Science. Sandeep K. S. Gupta Arizona State University Department of Computer Science and Engineering. Jennifer Weinmann Wayne State University

293 views • 15 slides

Transport Protocols for Wireless Ad Hoc Networks

Transport Protocols for Wireless Ad Hoc Networks. TCP Congestion Control. loss event = timeout or 3 duplicate acks. Problems in TCP over Wireless Ad Hoc Networks. Miss interpretation of packet loss TCP interprets any packet loss as a sign of congestion.

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Buddhism

266 views • 10 slides

Fields of Contention

Fields of Contention. Students in Argentina and the Relative Autonomy of the Educational Field Gabriela Gonzalz Vaillanr. Focus of the paper.

174 views • 8 slides

Tense, Voice, and Mood

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