Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 27 for “"Overlay Network"”.
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A degree-optimal, ordered peer-to-peer overlay network
Peer-to-peer overlay networks are structures for organizing nodes, routing traffic, and searching for data in a distributed system. Two of the most important theoretical advancements in this area were the development of degree-optimal and ordered networks. Prior to this work, it was not known …
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An overlay network solution for delay-tolerant video streaming over mobile ad-hoc networks
… redes. Se propone utilizar una red superpuesta (overlay network) sobre la MANET, llamada MOMENTUM, que implementará las soluciones a estos problemas. MOMENTUM está formada por todos los nodos de la MANET y se ejecuta en el nivel de aplicación, sobre UDP. Es compatible con los protocolos de red y …
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PCoord : a decentralized network coordinate system for Internet distance prediction
… services make use of application-level or overlay networks. Examples of such services include overlay multicast, structured peer-to- peer lookup services, and peer-to-peer file sharing. Many of these services could benefit from enabling participating end hosts to estimate their relative …
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NATRON : overlay routing to oblivious destinations
This thesis presents NATRON, a system in which an overlay network of nodes cooperates to improve unicast routing to non-participating hosts. Previous overlay systems have used overlay routing to improve communication between participating hosts; they were unable to exploit overlay routing to …
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SpiderNet: A Quality -Aware Service Composition Middleware
… as follows. First, we introduce a novel service overlay network model for constructing the core SpiderNet. The service overlay network connects previously dispersed service components via application-level connections to achieve high-quality and failure-resilient service composition. Second, we …
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Towards practical policies for network control
In the past three decades, several network control policies geared towards achieving throughput optimality have been developed. However, rarely any of these policies have been used in practice. We study three different issues that impede this transition and propose solutions that can facilitate the …
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A programming environment for on-demand service overlays
Recent years have seen a growing interest in overlay networks. Overlay networks simplify the complications of creating and connecting distributed applications on the network by optimizing the underlying IP routing architecture. This thesis presents a programming environment (PEON) for automatically …
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Improving end-to-end availability using overlay networks
… fall outside the expected domain of well-behaved network failures. Many traditional techniques cope with link and router failures; as a result, the remaining failures are those caused by software and hardware bugs, misconfiguration, malice, or the inability of current routing systems to cope with …
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Enhancing HPC on Virtual Systems in Clouds through Optimizing Virtual Overlay Networks
Virtual Ethernet overlay provides a powerful model for realizing virtual distributed and parallel computing systems with strong isolation, portability, and recoverability properties. However, in extremely high throughput and low latency networks, such overlays can suffer from bandwidth and latency …
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Network coding for anonymous broadcast
This thesis explores the use of network coding for anonymous broadcast. Network coding, the technique of transmitting or storing mixtures of messages rather than individual messages, can provide anonymity with its mixing nature, efficiently disseminate content in multicast and broadcast networks, …
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Strategy-proof resource pricing in federated systems
… auction scheme that leverages on a peer-to-peer overlay network for resource lookups and distributes pricing by resource type. In a federated cloud composed of four Amazon EC2 regions, we show using traces that rational users with dynamic pricing increased welfare over EC2 spot pricing. As an …
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CATS: Cloud application-specific traffic scheduling and routing
… limitations and challenges faced by traditional networks via layering, with a focus on the cloud environment that a large fraction of applications and services are running on today. We separate the cloud networks into two categories: intra cloud networks and inter cloud networks. For intra cloud …
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GOssiping Optimization Framework (GOOF): A decentralized P2P architecture for function optimization
… by means of epidemic protocols, exploiting the overlay network topology formed by peers. A key issue in such a context is the relationship between the solution quality and the amount/kind of exchanged information among the various running instances. We propose and detail novel heuristics and …
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Multi-Stream Management for Supporting Multi-Party Three-Dimensional Tele-Immersive Environments
… content dissemination upon an end-system overlay network.
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The design of a fast and flexible Internet subscription system using content graphics
… system for disseminating information to networked subscribers. It examines existing subscription approaches, proposes F3 as an alternative to these approaches, and presents results from comparisons of F3 and other subscription approaches. Existing subscription approaches examined in the …
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A physically-aware architecture for self-organizing peer-to-peer overlay networks
… to others. Participating nodes (peers) form an overlay network and communicate with each other without being controlled by a central authority. The structures and routing decisions of the most current P2P networks often do not correlate with the Internet infrastructure. In doing so, the tasks of …
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Network layer support for overlay networks
Overlay networks are virtual networks formed by cooperating nodes that share an underlying physical network. They represent a flexible and deployable approach for applications to obtain new network semantics without modification of the underlying network, but they suffer from efficiency concerns. …
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Protecting anonymity in the presence of autonomous system and internet exchange level adversaries
… the most widely deployed and used anonymity overlay network. Of particular interest is the possibility of a single AS or IX point observing both the path from the client to the entry node and the path from the exit node to the nal destination. Experimental results indicate that a non-trivial …
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Application of overlay techniques to network monitoring
… for correct and efficient operation of a network, since these activities provide reliable information and accurate analysis for characterizing and troubleshooting a network’s performance. The focus of network measurement is to measure the volume and types of traffic on a particular network …
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Design and applications of a secure and decentralized Distributed Hash Table
… systems. They route requests over a structured overlay network to the node responsible for a given key. DHTs are subject to the well-known Sybil attack, in which an adversary creates many false identities in order to increase its influence and deny service to honest participants. Defending …
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