200614th IEEE International Workshop on Quality of Service

19-21 June 2006

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Displaying Results 1 - 25 of 54
  • [Front cover]

    Publication Year: 2006, Page(s): C1
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  • Copyright page

    Publication Year: 2006, Page(s): ii
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  • Table of contents

    Publication Year: 2006, Page(s):iii - vi
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  • Message from Program Co-Chairs

    Publication Year: 2006, Page(s): vii
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  • Conference committee

    Publication Year: 2006, Page(s):viii - ix
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  • [Breaker page]

    Publication Year: 2006, Page(s): nil1
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  • [Breaker page]

    Publication Year: 2006, Page(s): 1
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  • A Locating-First Approach for Scalable Overlay Multicast

    Publication Year: 2006, Page(s):2 - 11
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (372 KB) | HTML iconHTML

    Recent proposals in multicast overlay construction have demonstrated the importance of exploiting underlying network topology. However, these topology-aware proposals often rely on incremental and periodic refinements to improve the system performance. These approaches are therefore neither scalable, as they induce high communication cost due to refinement overhead, nor efficient because long conv... View full abstract»

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  • A Blueprint for Constructing Peer-to-Peer Systems Robust to Dynamic Worst-Case Joins and Leaves

    Publication Year: 2006, Page(s):12 - 19
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (174 KB) | HTML iconHTML

    Until now, the analysis of fault tolerance of peer-to-peer systems usually only covers random faults of some kind. Contrary to traditional algorithmic research, faults as well as joins and leaves occurring in a worst-case manner are hardly considered. In this paper, we devise techniques to build dynamic peer-to-peer systems which remain fully functional in spite of an adversary which continuously ... View full abstract»

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  • Echelon: Peer-to-Peer Network Diagnosis with Network Coding

    Publication Year: 2006, Page(s):20 - 29
    Cited by:  Papers (9)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (284 KB) | HTML iconHTML

    It is critical to monitor the performance and "health" of large-scale peer-to-peer applications. As an example, operators of peer-to-peer live streaming applications may be interested in observing performance bottlenecks, peer failures, and network topologies. In most cases, such observations are used to diagnose potential problems in the protocol design, to troubleshoot network outage, or to impr... View full abstract»

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  • Stochastic Analysis and File Availability Enhancement for BT-like File Sharing Systems

    Publication Year: 2006, Page(s):30 - 39
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (704 KB) | HTML iconHTML

    In this paper, we present the mathematical analysis of two important performance measures for a BitTorrent (BT) like P2P file sharing system, namely, average file downloading time and file availability. For the file downloading time, we develop a model using the "stochastic differential equation" approach, which can capture the system more accurately than some previous approach and can capture var... View full abstract»

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  • [Breaker page]

    Publication Year: 2006, Page(s): 40
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  • A Payment-based Incentive and Service Differentiation Mechanism for Peer-to-Peer Streaming Broadcast

    Publication Year: 2006, Page(s):41 - 50
    Cited by:  Papers (17)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (419 KB) | HTML iconHTML

    We proposes a novel payment-based incentive mechanism for peer-to-peer (P2P) live media streaming. Using this approach, peers earn points by forwarding data to others; the data streaming is divided into fixed length periods, during each of which peers compete with each other for good parents (data suppliers) for the next period in a first-price auction like procedure using their points. We design ... View full abstract»

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  • Modeling the Peering and Routing Tussle between ISPs and P2P Applications

    Publication Year: 2006, Page(s):51 - 59
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (167 KB) | HTML iconHTML

    The connectivity between millions of nodes on the Internet is provided by the interconnection of many ISPs' networks. These ISPs, in their decisions to peer with each other, define a set of transit relationships. These transit relationships are the primary factors that dictate how traffic flows through the Internet. BGP-based inter-domain routing that implements these transit relationships can be ... View full abstract»

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  • Improving Performance of Internet Services Through Reward-Driven Request Prioritization

    Publication Year: 2006, Page(s):60 - 71
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (274 KB) | HTML iconHTML

    Meeting client QoS expectations proves to be a difficult task for the providers of modern Internet services, especially when Web servers experience overload conditions (steady or transient), which cause increased response times and request rejections, leading to user frustration, lowered usage of the service and reduced revenues. In this paper, we propose a server-side request scheduling mechanism... View full abstract»

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  • Optimal Capacity Sharing of Networks with Multiple Overlays

    Publication Year: 2006, Page(s):72 - 81
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB) | HTML iconHTML

    Overlay networks have emerged as a generic networking paradigm to improve network performance and construct new applications. Although many overlay algorithms have been proposed lately, they tend to focus on a single overlay, without considering how to share network capacity with other traffic and other overlays. In this paper, we study optimal capacity sharing of network with multiple overlays. W... View full abstract»

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  • [Breaker page]

    Publication Year: 2006, Page(s): 82
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  • Real-time Power-Aware Routing in Sensor Networks

    Publication Year: 2006, Page(s):83 - 92
    Cited by:  Papers (150)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (196 KB) | HTML iconHTML

    Many wireless sensor network applications must resolve the inherent conflict between energy efficient communication and the need to achieve desired quality of service such as end-to-end communication delay. To address this challenge, we propose the real-time power-aware routing (RPAR) protocol, which achieves application-specified communication delays at low energy cost by dynamically adapting tra... View full abstract»

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  • Partial Network Coding: Theory and Application for Continuous Sensor Data Collection

    Publication Year: 2006, Page(s):93 - 101
    Cited by:  Papers (43)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (221 KB) | HTML iconHTML

    Wireless sensor networks have been widely used for surveillance in harsh environments. In many such applications, the environmental data are continuously sensed, and data collection by a server is only performed occasionally. Hence, the sensor nodes have to temporarily store the data, and provide easy and on-hand access for the most updated data when the server approaches. Given the expensive serv... View full abstract»

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  • Optimal Sleep/Wake Scheduling for Time-Synchronized Sensor Networks with QoS Guarantees

    Publication Year: 2006, Page(s):102 - 111
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (220 KB) | HTML iconHTML

    We study sleep/wake scheduling for low-duty cycle sensor networks. Our work is different from previous work in that we explicitly consider the effect of the synchronization error. We study a widely used synchronization scheme and show that the synchronization error is non-negligible, and using a conservative guard time is energy wasteful. Hence, we formulate an optimization problem to minimize the... View full abstract»

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  • Performance Analysis of a Reuse Partitioning Technique for OFDM Based Evolved UTRA

    Publication Year: 2006, Page(s):112 - 120
    Cited by:  Papers (21)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (313 KB) | HTML iconHTML

    The current 3GPP working assumption on the evolved universal terrestrial radio access (E-UTRA) physical layer is that it will be based on single carrier frequency division multiple access (SC-FDMA) for the uplink and orthogonal frequency division multiple access (OFDMA) for the downlink. According to the concept specification, inter-cell interference mitigation techniques applicable to SC-FDMA and... View full abstract»

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  • [Breaker page]

    Publication Year: 2006, Page(s): 121
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  • Integrating Stability Estimation into Quality of Service Routing in Mobile Ad-hoc Networks

    Publication Year: 2006, Page(s):122 - 129
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (132 KB) | HTML iconHTML

    One of the notoriously difficult problems in quality of service (QoS) routing in mobile ad-hoc networks (MANET) is to ensure that the established path for a connection does not break before the end of the data transmission. This paper addresses the issue of reducing path breakage during data transmission, even if geographic location information is not available. Using delay-constrained QoS routing... View full abstract»

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  • GVGrid: A QoS Routing Protocol for Vehicular Ad Hoc Networks

    Publication Year: 2006, Page(s):130 - 139
    Cited by:  Papers (66)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (268 KB) | HTML iconHTML

    In this paper, we present a QoS routing protocol called GVGrid for multi-hop mobile ad hoc networks constructed by vehicles, i.e., vehicular ad hoc networks (VANETs). GVGrid constructs a route on demand from a source (a fixed node or a base station) to vehicles that reside in or drive through a specified geographic region. The goal of GVGrid is to maintain a high quality route, i.e. a robust route... View full abstract»

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  • Dynamic Resource Reservation in IEEE 802.16 Broadband Wireless Networks

    Publication Year: 2006, Page(s):140 - 148
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (329 KB) | HTML iconHTML

    This paper presents a mechanism for dynamic resource management and discusses its relevance for traffic in IEEE 802.16 broadband wireless network. The basic goal is to minimize the amount of bandwidth being actually provisioned for committed bandwidth traffic while keeping the cost of MAC signalling to a minimum. In particular, this mechanism restricts the provisioned bandwidth to a predefined min... View full abstract»

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