'Node failures' diaporamas de présentation

Hector Garcia-Molina

CS 347: Parallel and Distributed Data Management Notes06: Reliable Distributed Database Management. Hector Garcia-Molina. Reliable distributed database management. Reliability Failure models Scenarios. Reliability. Correctness Serializability Atomicity Persistence Availability.

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Energy-efficiency issues in Distributed Cyber-Physical Systems

Energy-efficiency issues in Distributed Cyber-Physical Systems . Tridib Mukherjee IMPACT Lab Arizona State University. Energy Management Principles. Reduce Wastage of Energy Holistic Resource Management Decentralized and Localized Algorithms Energy Scavenging Model-based Design.

857 views • 67 slides

Experiences with CoralCDN A Five-Year Operational View

Experiences with CoralCDN A Five-Year Operational View. Michael J. Freedman Princeton University www.coralcdn.org. A Cooperative, Self-Organizing CDN. Client. Resolver. 2. 5. 1. CoralCDN HTTP Proxy. CoralCDN DNS Server. CoralCDN HTTP Proxy. CoralCDN DNS Server. Coral index node.

774 views • 50 slides

SplitStream

469 views • 34 slides

Chord

Chord. A Scalable Peer-to-peer Lookup Service for Internet Applications Prepared by Ali Yildiz (with minor modifications by Dennis Shasha). Outline. What is Chord? Consistent Hashing A Simple Key Lookup Algorithm Scalable Key Lookup Algorithm Node Joins and Stabilization Node Failures.

720 views • 32 slides

The State of the Art of P2P Video Streaming

The State of the Art of P2P Video Streaming. Slide courtesy: Dr. Sumi Helal & Dr. Choonhwa Lee at University of Florida, USA Prof . Darshan Purandare at University of Central Florida, USA Dr . Meng ZHANG, Dyyno Inc., USA

333 views • 27 slides

Low-Power Wireless Bus (LWB)

Low-Power Wireless Bus (LWB). SenSys 2012 Federico Ferrari, Marco Zimmerling (ETH), Luca Mottola (SICS), Lothar Thiele ( ETH) ("Potential" BEST PAPER/RUNNER UP) NSLab study group 2012/11/05 Presented by: Yu-Ting. Outline. Introduction Protocol Operation Evaluation Discussion.

568 views • 25 slides

Supporting Topographic Queries in a class of Networked Sensor Systems

Supporting Topographic Queries in a class of Networked Sensor Systems. M. Singh and V. K. Prasanna Department of Computer Science University of Southern California {mitalisi, prasanna} @usc.edu. Outline. Topographic Querying System Model Various approaches Simulations Discussion.

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292 views • 23 slides

Wireless Sensor Placement for Reliable and Efficient Data Collection

Wireless Sensor Placement for Reliable and Efficient Data Collection. Edo Biagioni and Galen Sasaki University of Hawaii at Manoa. Overview. Wireless Sensor Networks Case study: an ecological wireless sensor network Design Considerations Regular Deployments Linear and other arrangements.

232 views • 23 slides

An Information Model for Geographic Greedy Forwarding in Wireless Ad-Hoc Sensor Networks

An Information Model for Geographic Greedy Forwarding in Wireless Ad-Hoc Sensor Networks. Junchao Ma, Wei Lou Dept. of Computing The HK Polytechnic University. Zhen Jiang Comp. Sci. Dept. West Chester University. Jie Wu Dept. of Computer Sci. & Eng. Florida Atlantic University & NSF.

389 views • 22 slides

ARRIVE

ARRIVE. Algorithm for Robust Routing In Volatile Environments. Chris Karlof Joe Polastre. NEST Retreat, Lake Tahoe, June 17-19 2002. End-to-end reliability. Routing resilient to failures is needed for sensor networks Random link or node failures Patterned node failures

213 views • 20 slides

Switching and Forwarding

Switching and Forwarding. Problems. 1500m limit on length of network Contention, collisions Limited number of hosts Communicate between hosts that do not have a direct connection. Scalable Networks. Switch: Forwards packets from input port to output port;

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Loop-Free Alternates and Not-Via Addresses: A Proper Combination for IP Fast Reroute?

243 views • 14 slides

Loop-Free Alternates and Not-Via Addresses: A Proper Combination for IP Fast Reroute?

228 views • 14 slides

HPC User Forum, April 2008 John Hesterberg

HPC OS Directions and Requirements. HPC User Forum, April 2008 John Hesterberg. Processor-rich environments. Today's max SGI system sizes: 1000s of cores per ccNUMA Single System Image (SSI) ? 2048 -> 4096 cores limited by Linux scalability 1000s of small SSI nodes per system 14336 cores

202 views • 11 slides

HPC User Forum, April 2008 John Hesterberg

HPC OS Directions and Requirements. HPC User Forum, April 2008 John Hesterberg. Processor-rich environments. Today's max SGI system sizes: 1000s of cores per ccNUMA Single System Image (SSI) ? 2048 -> 4096 cores limited by Linux scalability 1000s of small SSI nodes per system 14336 cores

112 views • 11 slides

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Each node can be in one of the following states: infected , immunised , or vulnerable.

Electrical & Electronic Engineering Contact: Erol Gelenbe, Georgia Sakellari E mail {e.gelenbe, g.sakellari}@imperial.ac.uk http://san.ee.ic.ac.uk/publications.shtml. Month year. Adaptive Resilience of CPN in the presence of Network Worms. Enhancements & Applications of CPN.

184 views • 1 slides