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10.1109/TC.2015.2417558, IEEE Transactions on Computers 1 Towards Energy Efficient Duty-Cycled Networks: Analysis, Implications and Improvement
"... Abstract—Duty cycling mode is widely adopted in wireless sensor networks to save energy. Existing duty-cycling protocols cannot well adapt to different data rates and dynamics, resulting in a high energy consumption in real networks. Improving those protocols may require global information or heavy ..."
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that existing protocols cannot lead to an efficient energy consumption in various scenarios. Based on the analysis, we design a light-weight adaptive duty-cycling protocol (LAD), which reduces the energy consumption under different data rates and protocol dynamics. LAD can adaptively adjust the protocol
Gossip-based Service Coordination for
"... Many interesting emerging applications involve the coordination of a large number of service instances, for instance, as targets for dissemination or sources in information gathering. These applications raise hard architectural, scalability, and resilience issues that are not suitably addressed by c ..."
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. Although being obviously simple and scalable, it has been shown that gossip-based protocols lead to emergent strong resilience guarantees. We illustrate the approach with WS–PushGossip, a proof--of-concept coordination protocol based upon the WS–Coordination framework. Besides presenting WS–PushGossip, we
Reliable Local Broadcast in a Wireless Network Prone to Byzantine Failures
"... Reliable broadcast can be a very useful primitive for many distributed applications, especially in the context of sensoractuator networks. Recently, the issue of reliable broadcast has been addressed in the context of the radio network model that is characterized by a shared channel, and where a tra ..."
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Cited by 3 (1 self)
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protocol design for multi-hop wireless networks based on the idealized radio network model requires the availability of a reliable local broadcast primitive that can provide guarantees of such idealized behavior. We present a simple proof-of-concept approach toward the implementation of a reliable local
Toward efficient failure detection and recovery in HPC
- In High Availability and Performance Computing Workshop, 2006. 32 Computing Resilience: Analysis of Issues Facing the HEC Community and PathForward for Research and Development
"... Application outages due to node failures are common problems in high performance computing. Reliability becomes a major issue, especially for long running jobs, as the number of compute nodes increase. Support for head node failure exists in projects like HA-OSCAR [8] and SLURM [9]. However, fault t ..."
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Cited by 1 (1 self)
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common fault tolerance issues in the large scale system, especially due to permanent component failure in a parallel MPI [5] environment that requires a recovery with an exact runtime configuration. We proposed a lightweight heartbeat protocol (BHB) that addresses the scalability issues in system
Using BubbleStorm Accepted Master-Thesis from Marcel Lucas
"... Hiermit versichere ich, die vorliegende Master-Thesis ohne Hilfe Dritter nur mit den angegebenen Quellen und Hilfsmitteln angefertigt zu haben. Alle Stellen, die aus Quellen entnommen wurden, sind als solche kenntlich gemacht. Diese Arbeit hat in gleicher oder ähnlicher Form noch keiner Prüfungsbehö ..."
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of scalability and maintainability. Hence, different approaches are based on Peer-to-Peer (P2P) technology. In particular, fast-paced NVEs stress these systems and most likely cause high overlay maintenance overhead. This Master’s Thesis presents a novel approach to spatial Publish/Subscribe (Pub/Sub) in P2P
Routing and Broadcasting in Ad-Hoc Networks
"... I would like to thank Prof. Dr. Torsten Braun, head of the Computer Network and Distributed Systems group (RVS), for supervising this work and for his insightful advises. Prof. Dr. Torsten Braun encouraged and motivated me to publish my research results and he provided me the opportunity to present ..."
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group and of the IAM for our various interesting discussions about all kinds of topics and for making the institute a very pleasant and friendly place to work at. Special thanks go to David Steiner, Marc Steinemann, Matthias Scheidegger, Florian Baumgartner, Ruy De Oliveira, and Attila Weyland
unknown title
"... Sensor network software update management: a survey By Chih-Chieh Han, Ram Kumar, Roy Shea and Mani Srivastava*,† Software management is a critical task in the system administration of enterprise-scale networks. Enterprise-scale networks that have traditionally comprised of large clusters of worksta ..."
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Sensor network software update management: a survey By Chih-Chieh Han, Ram Kumar, Roy Shea and Mani Srivastava*,† Software management is a critical task in the system administration of enterprise-scale networks. Enterprise-scale networks that have traditionally comprised of large clusters
c Copyright by
"... Messaging is a basic service in sensornets. Yet the unique system and application prop-erties of sensornets pose substantial challenges for the messaging design: Firstly, dynamic wireless links, constrained resources, and application diversity challenge the architecture and protocol design of sensor ..."
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Messaging is a basic service in sensornets. Yet the unique system and application prop-erties of sensornets pose substantial challenges for the messaging design: Firstly, dynamic wireless links, constrained resources, and application diversity challenge the architecture and protocol design
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