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Proceedings of the Fifth IEEE Computer Society Workshop on Future Trends of Distributed Computing Systems

28-30 Aug. 1995

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Displaying Results 1 - 25 of 67
  • Proceedings of the Fifth IEEE Computer Society Workshop on Future Trends of Distributed Computing Systems

    Publication Year: 1995
    Request permission for commercial reuse | PDF file iconPDF (294 KB)
    Freely Available from IEEE
  • A clustering algorithm for object-oriented development of distributed computing system software

    Publication Year: 1995, Page(s):274 - 281
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB)

    In object-oriented development of distributed computing system software, one of the important tasks is to cluster objects into modules for achieving high performance, which is heavily affected by intermodule communication and the degree of parallel execution of modules. In this paper, a clustering algorithm is presented based on reducing intermodule communication and increasing concurrency for mod... View full abstract»

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  • An engineering approach towards action refinement

    Publication Year: 1995, Page(s):266 - 273
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (716 KB)

    In the abstract modelling of distributed systems we may need methods to replace abstract behaviours by more concrete behaviours which are closer to implementation mechanisms. Furthermore, we may want these methods to preserve the correctness of such a replacement. This paper introduces an approach towards action refinement in which an abstract action is replaced by a concrete activity. This approa... View full abstract»

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  • Specification and validation of multimedia protocols using RT-LOTOS

    Publication Year: 1995, Page(s):354 - 362
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (832 KB)

    The paper presents a new formal description technique, RT-LOTOS (real-time LOTOS) which is a temporal extension of the standard formal description technique LOTOS. After a brief and informal introduction to RT-LOTOS, the paper describes a design method of multimedia protocols based on the use of generic and reusable RT-LOTOS specification building blocks. An application in the area of multimedia s... View full abstract»

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  • Executable specifications for distributed software systems

    Publication Year: 1995, Page(s):257 - 265
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (692 KB)

    The front-end life cycle or upper CASE aspects of software development for distributed systems is driven by the components of applications, management, and techniques/tools. The applications component seeks taxonomies of application domains in distributed computing and the identification of core software requirements. The management component concerns the twofold aspects of developing distributed ... View full abstract»

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  • Formal timing verification techniques for distributed system

    Publication Year: 1995, Page(s):454 - 460
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (544 KB)

    Formal specification and timing verification of distributed system are important. As concerns formal specification and verification of distributed system, SDL and LOTOS, Estelle have been standardized and studied. But we can nor formally specify and verify timing conditions and fairness by these methods. In this paper, we propose formal timing specification and verification including strong fairne... View full abstract»

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  • Flexible manufacturing and high performance system for steel plants

    Publication Year: 1995, Page(s):112 - 119
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (636 KB)

    The requirement for the steel production is achieving more varieties and smaller lot of products with higher quality and low cost. In the circumstance, the process computer system has to be designed to achieve a more flexible system, which has high expandability and maintainability, and capability to increase the software productivity. Then Japanese steel companies have regularly introduced leadin... View full abstract»

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  • How to commit concurrent, non-isolated computations

    Publication Year: 1995, Page(s):343 - 352
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (780 KB)

    We face today with the situation that although distributed system are potentially more dependable than centralized systems, they actually confront the users, programmers, and system administrators with more complex and hard to manage failure situations than centralized systems. Fault tolerance in distributed systems is still a promising and not yet mastered area of research. One key feature of eve... View full abstract»

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  • Distributed techniques in software systems integration

    Publication Year: 1995, Page(s):252 - 256
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    Many aspects of software development use varieties of distributed computing techniques. We focus on a specific phase known generally as testing but more appropriately as iterative test and integration. Traditional software development is mandated by methodologies. These methodologies follow from the waterfall model of software development, and provide automation support via software tools for codi... View full abstract»

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  • Video-on-demand: experience with protocols and their implementation

    Publication Year: 1995, Page(s):446 - 451
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (464 KB)

    This paper summarizes some observations made during our research project aiming at investigating the practical problems encountered during the implementation of interactive multimedia information systems. The prototype deals with digitally compressed information encoded in MPEG-2 formats. We have opted for the use of a set of standard protocols. In this paper we give a brief description and critiq... View full abstract»

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  • Toward new-generation real-time object-oriented computing

    Publication Year: 1995, Page(s):520 - 529
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (916 KB)

    In recent years, the market conditions for the real-time computer system (RTCS) technology and the hardware economy have been showing significant changes and thus this author feels that time is ripe for vigorously pursuing new paradigms in designing and structuring RTCSs. Pursuing the new paradigms is called the “new-generation (NG) or second-generation (2G) real-time computing” approa... View full abstract»

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  • A programming model for real-time applications in open distributed systems

    Publication Year: 1995, Page(s):104 - 111
    Cited by:  Papers (4)  |  Patents (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (752 KB)

    This paper presents a model for distributed applications with real-time constraints in an heterogeneous context. The proposed model is based on CORBA standard architecture, and uses the reflective object paradigm which provides the separation of concerns: functionality and management. Consequently, the model has two levels: a base level which deals with system functionality, and a meta level with ... View full abstract»

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  • A generic multicast primitive to support transactions on replicated objects in distributed systems

    Publication Year: 1995, Page(s):334 - 342
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (840 KB)

    Locking and atomic commitment are two fundamental problems underlying transaction management in fault-tolerant distributed systems. In this paper we discuss these problems in the context of an asynchronous system with replicated objects. We present a generic primitive, named dynamic-terminating-multicast (or DTM) of which instances enable to implement a locking protocol and an atomic commitment pr... View full abstract»

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  • Information and distribution systems in the retail industry

    Publication Year: 1995, Page(s):242 - 249
    Cited by:  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (440 KB)

    Information and distribution systems make valuable contributions in improving the retail industry. Multimedia technologies and broadband networks pave the way for new generations of information and distribution systems. Characteristics of the store and consumer environments together with the driving forces in the retail industry put great demands upon the systems. Middleware has a key role in fulf... View full abstract»

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  • The reliable distributed network management platform

    Publication Year: 1995, Page(s):439 - 445
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (452 KB)

    Outgrowth of the development of distributed computer environment has caused local resources to be connected and shared by means of networks. A user can utilize far much efficiently way through the networks. Without effective network management, a user can not user them efficiently. It will lead to inefficient computing work. Currently, SNMP (Simple Network Management Protocol) and CMIP (Common Man... View full abstract»

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  • BVPN (Broadband Virtual Private Network): a flexible, high-speed, enterprise network architecture

    Publication Year: 1995, Page(s):420 - 424
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (428 KB)

    The implementation of ATM and Intelligent Network (IN) in communications networks is coming. ATM, the technology for transmitting and switching multimedia information over broadband network, requires a highly functional system for controlling highspeed communications services. IN, the technology for providing advanced network services, requires highspeed transmission of service control signals. Al... View full abstract»

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  • Compact, low-cost, but real-time distributed computing for computer augmented environments

    Publication Year: 1995, Page(s):56 - 63
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (948 KB)

    We have been conducting a research and development project, called the TRON Project, for realizing the computer augmented environments. The final goal of the project is to realize highly functionally distributed systems (HFDS) in which every kind of objects around our daily life are augmented with embedded computers, be connected with networks, and cooperate each other to provide better living env... View full abstract»

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  • Fragmentation of confidential objects for data processing security in distributed systems

    Publication Year: 1995, Page(s):395 - 403
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (788 KB)

    This paper discusses how object orientation in application design enables confidentiality aspects to be handled more easily than in conventional approaches. The idea, based on object fragmentation at design time, is to reduce processing in confidential objects; the more non confidential objects can be produced at design-time, the more application objects can be processed on untrusted shared comput... View full abstract»

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  • Flexible computing: basic concepts, design and application

    Publication Year: 1995, Page(s):152 - 159
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (700 KB)

    With the rapid advent of Computer and Communication technologies, and successful merging of the two fields resulting in proliferation of novel applications, loosely coupled distributed computing systems have recently become the most attractive field of research of Information processing. The trend is that, all the computers connected by high speed links will virtually represent a colossal distribu... View full abstract»

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  • Real-time distributed computing

    Publication Year: 1995, Page(s):34 - 40
    Cited by:  Papers (5)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (572 KB)

    This position paper concerns itself with real-time safety critical distributed systems. It presents a computational model that is appropriate for this type of application and architecture. It then defines a resource allocations scheme based upon fixed priority scheduling. Such a scheme has the advantage (over purely static schedules) of supporting greater levels of flexibility and non-determinism,... View full abstract»

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  • Dynamic load balancing in distributed computer systems with star topology

    Publication Year: 1995, Page(s):514 - 517
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (284 KB)

    We consider sender-initiated dynamic load balancing policies in distributed computer system with star topology. In this system, the processing power of central node may be greater than that of peripheral nodes and the job arrival rate of each node may be different. The performance of load balancing may be very different according to the selection of sender criteria and receiver criteria for job tr... View full abstract»

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  • Towards integrated QoS management

    Publication Year: 1995, Page(s):94 - 101
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (832 KB)

    Forthcoming, all-purpose communication systems need to concurrently serve a variety of applications, each of them, probably, with different service requirements. Therefore, an integrated Quality-of-Service (QoS) management is needed. A delayed approach of QoS management is presented in some detail. Internal service interfaces are reduced to a minimum and the application is provided with a high-lev... View full abstract»

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  • Deadlocks in distributed systems: request models and definitions

    Publication Year: 1995, Page(s):186 - 193
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (696 KB)

    The paper addresses the problem of deadlock detection in asynchronous distributed systems for system model that covers unspecified receptions and non-FIFO channels. It presents a hierarchy of deadlock models considered till now, and then abstracts away their differences to define a single, general deadlock model. This general model is used to introduce abstract formulation of basic deadlock detect... View full abstract»

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  • Can real-time local area network protocols be made robust?

    Publication Year: 1995, Page(s):324 - 333
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (844 KB)

    This paper proposes a formal definition of the robustness property which, we believe, developers of future real-time (RT) local area network (LAN) protocols must aim to realize. As a demonstration of the utility of this definition, the carrier sense multiple access with deterministic collision resolution (CSMA/DCR) protocol is then analyzed for its robustness and an extension of the CSMA/DCR proto... View full abstract»

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  • Application of X.500 and X.700 Standards for supporting personal communications in distributed computing environments

    Publication Year: 1995, Page(s):232 - 241
    Cited by:  Papers (4)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1028 KB)

    This paper presents a TMN-based Personal Communications Support System (PCSS) which supports personal mobility, personalized call management, service personalization, and service interoperability in distributed multimedia environments. The design of the PCSS is strongly influenced by recent research activities in the field of advanced telecommunications and distributed computing technologies, such... View full abstract»

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