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Proceedings ISCC 2000. Fifth IEEE Symposium on Computers and Communications

3-6 July 2000

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Displaying Results 1 - 25 of 125
  • ISCC 2000 Fifth IEEE Symposium on Computers and Communications [front matter]

    Publication Year: 2000, Page(s):i - xvi
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    Freely Available from IEEE
  • Acceleration of TCP throughput over satellite-based Internet access using TCP gateway

    Publication Year: 2000, Page(s):245 - 253
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (831 KB)

    Satellite communication is able to provide wide bandwidth, and satellite-based Internet access is expected to be a high speed Internet access method of the next generation. However, the propagation delay of a satellite link degrades the TCP throughput. The reason for this problem is that TCP performs window based flow control and most communicating hosts use the default window size such as 8 kbyte... View full abstract»

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  • Author index

    Publication Year: 2000, Page(s):806 - 808
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    Freely Available from IEEE
  • Dynamic management for end-to-end IP QoS: from requirements to offers

    Publication Year: 2000, Page(s):353 - 358
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (540 KB)

    Previous propositions made for supporting QoS in IP networks contain several interesting mechanisms that act on a packet or a set of packets basis. As mastery of the end-to-end QoS requires considering each individual host-to-host service, it is of interest to study how these mechanisms can be efficiently assembled and complemented to meet the end-to-end goal without having to overhead each of the... View full abstract»

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  • A UML based methodology for the creation of TINA compatible telecommunications services

    Publication Year: 2000, Page(s):653 - 658
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (528 KB)

    In the emerging deregulated multi-provider telecommunications market place, telecommunications service engineering, enhanced with the architectural framework of the Telecommunications Information Networking Architecture Consortium (TINA-C), promises to pave the way towards an open integrated broadband service infrastructure. In order to be able to populate this infrastructure with a variety of new... View full abstract»

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  • Diagnostic tests for communicating nondeterministic finite state machines

    Publication Year: 2000, Page(s):424 - 429
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (508 KB)

    Systematic test sequence generation for conformance testing of communication protocol implementations, has been an active research area during the last decade. Methods were developed to produce optimized test sequences for detecting faults in such systems. However the application of these methods gives only limited information about the location of detected faults. In this paper we propose a compl... View full abstract»

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  • A novel buffer management scheme for CBQ-based IP routers in a combined IntServ and DiffServ architecture

    Publication Year: 2000, Page(s):347 - 352
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    In next-generation IP networks, there will be a mixture of traffic classes with different QoS requirements. Differentiated Services (DiffServ) has evolved from the IETF's earlier Integrated Services (IntServ) standard as a solution to the service quality challenges. In this paper, a novel buffer management scheme called CBQ priority buffer management (CPBM) is presented for IP routers, using the c... View full abstract»

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  • Resource balancing using trader federation

    Publication Year: 2000, Page(s):647 - 652
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (432 KB)

    Based on the object-oriented infrastructure CORBA, and according to the reference model RM-ODP, we modify the standardized trader, refining its definition in order to manage resource offers and requests. Resource traders, grouped into a federation, are used to scatter and gather hardware resources, some being offered, some being requested. Preliminary studies and suitable simulations show us that ... View full abstract»

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  • Phase locked loop using delay compensation techniques

    Publication Year: 2000, Page(s):417 - 423
    Cited by:  Papers (3)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB)

    This paper illustrates a modification to a basic phase locked loop (PLL) topology aimed at compensating the effects of loop latency. The technique, developed to address the performance degradation observed in high latency PLL topologies as is the case of Viterbi based decision directed read channel timing recovery, is readily applicable to digital baseband communication receivers View full abstract»

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  • Throughput and efficiency capacities of optical OOK-CDMA communication systems

    Publication Year: 2000, Page(s):711 - 716
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (368 KB)

    A comparison between the performance of traditional optical code-division multiple-access correlation receivers and that of the previously proposed chip-level receivers is presented. The performance is measured in terms of both throughput and efficiency capacities. Signature code correlations bounded by either one or two are employed. The bit error probabilities for chip-level receivers, with code... View full abstract»

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  • Designing a minimal cost wireless network: a case study

    Publication Year: 2000, Page(s):508 - 513
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (484 KB)

    In prior papers, the author has presented analytical methods. This paper presents a case study of the application of those techniques and methodology for designing a minimal economic cost wireless system. An actual city in the United States is the venue. Existing system costs are computed using industry cost data. Then, the portion of the city having a dense user population with approximately unif... View full abstract»

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  • Achieving per-flow fair rate allocation within Diffserv

    Publication Year: 2000, Page(s):340 - 346
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (532 KB)

    This paper addresses the fundamental issue of providing per-flow fairness within the Diffserv framework. The fair allocation derivative estimation (FADE) algorithm for estimating flow fair share in the absence of per-flow information is proposed. FADE calculates fair share feedback using a modified quasi-Newton method. This efficient method for estimating fair share provides a more precise model t... View full abstract»

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  • Dynamic routing and wavelength assignment using first policy iteration

    Publication Year: 2000, Page(s):146 - 151
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (548 KB)

    With standard assumptions the routing and wavelength assignment problem (RWA) can be viewed as a Markov decision process (MDP). The problem, however defies an exact solution because of the huge size of the state space. Only heuristic algorithms have been presented up till now. We propose an approach where, starting from a given heuristic algorithm, one obtains a better algorithm by the first polic... View full abstract»

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  • System stability with the PD ABR flow control algorithm

    Publication Year: 2000, Page(s):477 - 481
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (280 KB)

    In a previous work we have proposed the PD (proportional and derivative) algorithm, which is an explicit algorithm for ABR flow control in ATM networks. The performance study of this algorithm has shown that on one hand, it achieves a full utilization of network links and the fairness in bandwidth allocation. On the other hand, the PD algorithm ensures good buffer occupancy with respect to the fix... View full abstract»

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  • Managing services in distributed systems by integrating trading and load balancing

    Publication Year: 2000, Page(s):641 - 646
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (556 KB)

    With a changing structure of networks and application systems due to the requirements of decentralised enterprises and open service markets, distributed systems with rapidly increasing complexity are evolving. New concepts for an efficient management of such systems have to be developed. Focusing on the service level, examples for existing concepts are trading to find services in a distributed env... View full abstract»

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  • An admission control algorithm for providing quality-of-service guarantee for individual connection in a video-on-demand system

    Publication Year: 2000, Page(s):456 - 461
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (452 KB)

    We consider a theoretical framework for performing admission control in a video-on-demand (VOD) system. Unlike previous work on the admission control on a VOD system guaranteed quality-of-service (QoS) on the aggregated traffic, our admission control algorithm can guarantee the QoS requirements of individual connections. The QoS requirements we consider are the individual connection's bandwidth an... View full abstract»

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  • Implementing a user level multimedia transport protocol in Java

    Publication Year: 2000, Page(s):410 - 416
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (664 KB)

    The paper assesses the potential of Java for developing both portable and efficient communication software. Specifically, this paper presents and compares implementation of a multimedia transport protocol, POC, using the Java and C languages. Performances measurement are applied to the transport of MPEG streams View full abstract»

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  • A rate-based end-to-end multicast congestion control protocol

    Publication Year: 2000, Page(s):678 - 686
    Cited by:  Papers (16)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (804 KB)

    Current reliable multicast protocols do not have scalable congestion control mechanisms and this deficiency leads to concerns that multicast deployment may endanger stability of the network. We present a sender-based approach for multicast congestion control targeted towards reliable bulk data transfer. We assume that there are a few bottleneck links in a large scale multicast group at any time pe... View full abstract»

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  • Association of uplink power control and base station assignment in cellular CDMA systems

    Publication Year: 2000, Page(s):705 - 710
    Cited by:  Papers (4)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (552 KB)

    In a wireless CDMA network a mobile is classically connected to the base station with the best received power level (R×L). The association (or the integration) of base station assignment with power control allows a given network to have better achievable performance. We investigate the association of base station assignment and power control in order to study the best achievable signal-to-in... View full abstract»

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  • Energy-efficient adaptive wireless network design

    Publication Year: 2000, Page(s):502 - 507
    Cited by:  Papers (5)  |  Patents (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (584 KB)

    Energy efficiency is an important issue for mobile computers since they must rely on their batteries. We present an energy-efficient highly adaptive architecture of a network interface and novel data link layer protocol for wireless networks that provides quality of service (QoS) support for diverse traffic types. Due to the dynamic nature of wireless networks, adaptations are necessary to achieve... View full abstract»

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  • Study of a transport protocol employing bottleneck probing and token bucket flow control

    Publication Year: 2000, Page(s):225 - 230
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB)

    In this paper we present an experimental transport protocol which employs alternative methods of startup and congestion avoidance to those commonly used in implementations of TCP. Through modelling and simulation, we demonstrate how a packet-pair probe may be used to replace traditional slow-start methods and how pro-active congestion avoidance algorithms provide smoother traffic flow with lower l... View full abstract»

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  • Performance evaluation of per-hop forwarding behavior in the Diffserv Internet

    Publication Year: 2000, Page(s):334 - 339
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (408 KB)

    This paper presents the performance evaluation of per-hop forwarding behavior in the differentiated services Internet. Both the expedited forwarding and the assured forwarding behaviors are observed and investigated in terms of packet delay and packet drop rate. This investigation was carried out using Queen's University IP Simulator v2.0 (QUIPS-II). A significant amount of results have been obtai... View full abstract»

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  • Wavelength converters for deflection routing networks

    Publication Year: 2000, Page(s):140 - 145
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (520 KB)

    Deflection routing may become an appealing routing principle in the metropolitan area because of the increasing gap between the WDM transmission capacities and the processing power available in the nodes. Deflection routing is fast, simple, naturally copes with local transient or permanent congestion states and may easily be tailored for service differentiation. Deflection routing however suffers ... View full abstract»

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  • Evolution of operation support systems in public data networks

    Publication Year: 2000, Page(s):72 - 77
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (340 KB)

    Operation support systems (OSS) facilitate the development, deployment and maintenance or high-quality network-based services at a reasonable cost. This paper reviews the trends, particularly the customers' needs to manage their own data networks, and their effects on the architecture of OSS of public data networks View full abstract»

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  • On multiple traffic type integration over wireless TDMA channels

    Publication Year: 2000, Page(s):621 - 627
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (556 KB)

    A new medium access control (MAC) protocol for mobile wireless communications is presented and investigated. We explore, via an extensive simulation study, the performance of the protocol when integrating voice, video and data packet traffic over a wireless channel of high capacity. Depending on the number of video users admitted into the system, our protocol varies: (a) the request bandwidth dedi... View full abstract»

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