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Quorum-Based Asynchronous Power-Saving Protocols for IEEE 802.11 Ad Hoc Networks

Quorum-Based Asynchronous Power-Saving Protocols for IEEE 802.11 Ad Hoc Networks

Quorum-Based Asynchronous Power-Saving Protocols for IEEE 802.11 Ad Hoc Networks. Presented by Jehn-Ruey Jiang Department of Computer Science and Information Engineering National Central University. To Rest, to Go Far!. Outline. IEEE 802.11 Ad hoc Network Power Saving Problem

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930 views • 75 slides
Quorum-Based Asynchronous Power-Saving Protocols for IEEE 802.11 Ad Hoc Networks

Quorum-Based Asynchronous Power-Saving Protocols for IEEE 802.11 Ad Hoc Networks

Quorum-Based Asynchronous Power-Saving Protocols for IEEE 802.11 Ad Hoc Networks. Presented by Jehn-Ruey Jiang Department of Computer Science and Information Engineering National Central University. To Rest, to Go Far!. Outline. IEEE 802.11 Ad hoc Network Power Saving Problem

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757 views • 75 slides
Alexander A. Shvartsman University of Connecticut, USA

Alexander A. Shvartsman University of Connecticut, USA

Alexander A. Shvartsman University of Connecticut, USA. FRIDA 2014, Vienna, Austria. Specifying, Reasoning About, Optimizing, and Implementing Atomic Data Services for Dynamic Distributed Systems.

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742 views • 65 slides
Write Markers for Probabilistic Quorum Systems

Write Markers for Probabilistic Quorum Systems

Write Markers for Probabilistic Quorum Systems. Michael Merideth , Carnegie Mellon University Michael Reiter , University of North Carolina. Replication via Quorum Systems. Clients. Replicated data Server becomes n replicas. Server. Replication via Quorum Systems. Replicas. Clients.

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708 views • 57 slides
Power Saving and Clock Sync

Power Saving and Clock Sync

Power Saving and Clock Sync. Ten H. Lai. Problem, Problem, Problem!. ???. Energy Efficiency. Done at every level from physical to application. Energy-efficient routing. Energy-efficient MAC. Energy-efficient everything. Power Saving at MAC Layer. Beacon interval. awake sleep.

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575 views • 46 slides
CS514: Intermediate Course in Operating Systems

CS514: Intermediate Course in Operating Systems

CS514: Intermediate Course in Operating Systems. Professor Ken Birman Vivek Vishnumurthy: TA. RECAP: Agreement Protocols. These are used when a set of processes needs to make a decision of some sort The problem arises often and can take many forms

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814 views • 45 slides
Location Services for Geographic Routing

Location Services for Geographic Routing

Location Services for Geographic Routing. Geographic Routing. Three major components of geographic routing: Location services (dissemination of location information) Forwarding strategies Recovery schemes. Problem. Construct and maintain a location database. Who keep track of whom ?

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435 views • 43 slides
Presented by Jehn-Ruey Jiang Department of Computer Science and Information Engineering

Presented by Jehn-Ruey Jiang Department of Computer Science and Information Engineering

Expected Quorum Overlap Sizes of Optimal Quorum Systems with the Rotation Closure Property for Asynchronous Power-Saving Algorithms in Mobile Ad Hoc Networks. Presented by Jehn-Ruey Jiang Department of Computer Science and Information Engineering National Central University. Outline.

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530 views • 41 slides
Presented by Jehn-Ruey Jiang Department of Computer Science and Information Engineering

Presented by Jehn-Ruey Jiang Department of Computer Science and Information Engineering

Expected Quorum Overlap Sizes of Optimal Quorum Systems with the Rotation Closure Property for Asynchronous Power-Saving Algorithms in Mobile Ad Hoc Networks. Presented by Jehn-Ruey Jiang Department of Computer Science and Information Engineering National Central University. Outline.

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501 views • 41 slides
The virtue of dependent failures in multi-site systems

The virtue of dependent failures in multi-site systems

The virtue of dependent failures in multi-site systems. Flavio Junqueira and Keith Marzullo University of California, San Diego Workshop on Hot Topics in System Dependability (HotDep), Yokohama, Japan, June 2005. Collection of sites across a WAN Multiple processors per site Storage nodes

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373 views • 25 slides
Large-scale intrusion tolerant services over WANs

Large-scale intrusion tolerant services over WANs

Large-scale intrusion tolerant services over WANs. Florian Oprea, Michael K. Reiter, Carnegie Mellon University. Problem statement Our goal: build intrusion tolerant replicated service good performance over WANs Our approach: intrusions are Byzantine faults

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117 views • 1 slides

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