Twelfth IEEE International Workshop on Quality of Service, 2004. IWQOS 2004.

9-9 June 2004

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  • 2004 Twelfth IEEE International Workshop on Quality of Service (IEEE Cat. No.04EX790)

    Publication Year: 2004
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  • 2004 Twelfth IEEE International Workshop on Quality of Service

    Publication Year: 2004, Page(s): i
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  • Copyright page

    Publication Year: 2004, Page(s): ii
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  • Message from the Chairs

    Publication Year: 2004, Page(s): iii
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  • Program co-chairs

    Publication Year: 2004, Page(s): iv
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  • List of 135 external reviewers

    Publication Year: 2004, Page(s): v
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  • IWQoS 2004 table of contents

    Publication Year: 2004, Page(s):vi - vii
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    Publication Year: 2004, Page(s): viii
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  • Ad hoc, wireless, mobile and sensor networks

    Publication Year: 2004, Page(s): 1
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    Publication Year: 2004, Page(s): 2
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  • Enhancing mobile QoS based on movement contracts

    Publication Year: 2004, Page(s):3 - 9
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (272 KB) | HTML iconHTML

    Resource management for individual flows can significantly improve quality of service (QoS) in mobile cellular networks. However, its efficiency depends on the availability of information about the movement of mobile terminals. Movement prediction can potentially provide this information, but is costly if performed by the network and usually assumes a certain movement model, which may not adequate... View full abstract»

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  • Robust communications for sensor networks in hostile environments

    Publication Year: 2004, Page(s):10 - 19
    Cited by:  Papers (14)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (365 KB) | HTML iconHTML

    Clustering sensor nodes increases the scalability and energy efficiency of communications among them. In hostile environments, unexpected failures or attacks on cluster heads (through which communication takes place) may partition the network or degrade application performance. In this work, we propose a new approach, REED (Robust Energy Efficient Distributed clustering), for clustering sensors de... View full abstract»

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  • Distributed on-line schedule adaptation for balanced slot allocation in wireless ad hoc networks

    Publication Year: 2004, Page(s):20 - 29
    Cited by:  Papers (9)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (517 KB) | HTML iconHTML

    This paper proposes an algorithm for design and on the fly modification of the schedule of a wireless ad hoc network for provision of fair service guarantees under topological changes. The primary objective is to derive a distributed coordination method for schedule construction and modification for any wireless ad-hoc network operating under a schedule where transmissions at each slot are explici... View full abstract»

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  • Mobility assisted optimal routing in noninterfering mobile ad hoc networks

    Publication Year: 2004, Page(s):30 - 34
    Cited by:  Papers (2)  |  Patents (1)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (290 KB) | HTML iconHTML

    A mobile wireless network experiences random variations due to node mobility, which may potentially be exploited for more cost-effective communications. The pioneering work by Grossglauser and Tse (2001) first demonstrated that a network under sufficient amount of (random) mobility could provide a larger scaling rate of throughput capacity than a static network, at the cost of significant and pote... View full abstract»

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  • Web servers and E-commerce provisioning

    Publication Year: 2004, Page(s): 35
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    Publication Year: 2004, Page(s): 36
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  • Decay function model for resource configuration and adaptive allocation on Internet servers

    Publication Year: 2004, Page(s):37 - 46
    Cited by:  Papers (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (431 KB) | HTML iconHTML

    Server-side resource configuration and allocation for QoS guarantee is a challenge in performance-critical Internet applications. To overcome the difficulties caused by the high-variability and burstiness of Internet traffic, this paper presents a decay function model of request scheduling algorithms for the resource configuration and allocation problem. Under the decay function model, request sch... View full abstract»

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  • Yaksha: a self-tuning controller for managing the performance of 3-tiered Web sites

    Publication Year: 2004, Page(s):47 - 56
    Cited by:  Papers (78)  |  Patents (2)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (876 KB) | HTML iconHTML

    Managing the performance of multiple-tiered Web sites under high client loads is a critical problem with the advent of dynamic content and database-driven servers on the Internet. This paper presents a control-theoretic approach for admission control in multitiered Web sites that both prevents overload and enforces absolute client response times, while still maintaining high throughput under load.... View full abstract»

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  • Provisioning servers in the application tier for e-commerce systems

    Publication Year: 2004, Page(s):57 - 66
    Cited by:  Papers (25)  |  Patents (12)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (338 KB) | HTML iconHTML

    Server providers that support e-commerce applications as a service to multiple e-commerce websites traditionally use a tiered server architecture. This architecture includes an application tier to process requests that require dynamically generated content. How this tier is provisioned can significantly impact a provider's profit margin. We study methods to provision servers in the application ser... View full abstract»

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  • Triage: performance isolation and differentiation for storage systems

    Publication Year: 2004, Page(s):67 - 74
    Cited by:  Papers (43)  |  Patents (5)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (262 KB) | HTML iconHTML

    Ensuring performance isolation and differentiation among workloads that share a storage infrastructure is a basic requirement in consolidated data centers. Existing management tools rely on resource provisioning to meet performance goals; they require detailed knowledge of the system characteristics and the workloads. Provisioning is inherently slow to react to system and workload dynamics, and in... View full abstract»

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  • Packet scheduling and queue management

    Publication Year: 2004, Page(s): 75
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    Publication Year: 2004, Page(s): 76
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  • Coordinated aggregate scheduling for improving end-to-end delay performance

    Publication Year: 2004, Page(s):77 - 86
    Cited by:  Papers (5)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (401 KB) | HTML iconHTML

    This paper proposes a novel coordinated aggregate scheduling (CAS) algorithm that combines both EOF (earliest-deadline-first) scheduling and rate-based fair queueing. CAS uses guaranteed rate (GR) scheduling (Goyal, P et al., 1995) for traffic aggregates at the inter-aggregate level, but employs EDF-like scheduling at the intra-aggregate level. Computation of the deadline D/sub N/ of a packet at a... View full abstract»

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  • Local flow separation

    Publication Year: 2004, Page(s):87 - 95
    Cited by:  Papers (3)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (1914 KB) | HTML iconHTML

    This paper elaborates on a paradigm for quality-of-service (QoS) that is local, i.e., it does not depend on multinode cooperation. In order to maintain short queuing delays, we individuate flows that occupy a large fraction of a buffer and segregate those flows into a separate queue. The algorithm is provably fair and can avoid all packet reorderings. We show through extensive simulations that sta... View full abstract»

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  • A simple FIFO-based scheme for differentiated loss guarantees

    Publication Year: 2004, Page(s):96 - 105
    Cited by:  Papers (4)
    Request permission for reuse | Click to expandAbstract | PDF file iconPDF (1227 KB) | HTML iconHTML

    Today's Internet carries an ever broadening range of application traffic with different requirements. This has stressed its original, one-class, best-effort model, and has been one of the main drivers behind the many efforts aimed at introducing QoS. Those efforts have, however, experienced only limited success because their added complexity often conflict with the scalability requirements of the ... View full abstract»

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