By Topic

Object-Oriented Real-Time Distributed Computing, 2003. Sixth IEEE International Symposium on

Date 14-16 May 2003

Filter Results

Displaying Results 1 - 25 of 41
  • Compositional design of RT systems: a conceptual basis for specification of linking interfaces

    Publication Year: 2003, Page(s):51 - 60
    Cited by:  Papers (36)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB) | HTML iconHTML

    Composition of a system is driven by the (a) identification and specification of basic components, and (b) specification of the interactions across the components, i.e., the communication linkages, that are needed to communicate value and temporal information across the components from which the aggregate system results. This paper addresses compositional design of distributed Real-Time (RT) syste... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Modeling distributed autonomous robots using CHARON: formation control case study

    Publication Year: 2003, Page(s):93 - 96
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (264 KB) | HTML iconHTML

    We present the modeling and analysis of distributed autonomous robots using the specification language for hybrid systems, called CHARON. Coordination between distributed autonomous robots has attracted researchers of embedded and hybrid systems, since there has been increasing demand for multiple robots working together in a dynamically changing or unknown environment to carry out missions such a... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • The next generation software platform for mobile phones

    Publication Year: 2003, Page(s):46 - 48
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (426 KB)

    Recently mobile phones provide not only voice service but internet access, multi-media message services, games, local communication controller and so on. Therefore, more productive software platforms are required. We develop the next generation software platform based on Linux. In the paper, we describe a summary of the software platform. First, back grounds are mentioned, including recent and fut... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A dynamic shadow approach for mobile agents to survive crash failures

    Publication Year: 2003, Page(s):113 - 120
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (396 KB) | HTML iconHTML

    Fault tolerance schemes for mobile agents to survive agent server crash failures are complex since developers normally have no control over remote agent servers. Some solutions inject a replica into stable storage upon its arrival at an agent server. However in the event of an agent server crash the replica is unavailable until the agent server recovers. This paper presents a failure model and a r... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • The design and implementation of a real-time data dispatching system

    Publication Year: 2003, Page(s):285 - 291
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (418 KB) | HTML iconHTML

    This paper describes the design of a real-time data dispatching system (RTDDS), which is motivated by the needs of a performance guarantee on real-time data services by front-end clients. RTDDS consists of homogeneous machines with a quality of service performance guarantee. We address the resource allocation problems and consider Bin-Packing algorithms to assign requests to machines of RTDDS. Pro... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Object-oriented middleware infrastructure for distributed augmented reality

    Publication Year: 2003, Page(s):156 - 163
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (450 KB) | HTML iconHTML

    The paper describes design and implementation of software infrastructure for building augmented reality applications for ubiquitous computing environments. Augmented reality is one of the most important techniques to achieve the vision of ubiquitous computing. Traditional toolkits for augmented reality provide the high level abstraction that makes it easy to build augmented reality applications. H... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Configuration and dynamic reconfiguration of component-based applications with Microsoft .NET

    Publication Year: 2003, Page(s):164 - 171
    Cited by:  Papers (5)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (566 KB) | HTML iconHTML

    Dynamic reconfiguration provides of powerful mechanism to adapt component-based distributed applications to changing environmental conditions. We have designed and implemented a framework for dynamic component reconfiguration on the basis of the Microsoft .NET environment. Within this paper we present an experimental evaluation of our infrastructure for dynamic reconfiguration of component-based a... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • General framework for the description of QoS in UML

    Publication Year: 2003, Page(s):61 - 68
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (292 KB) | HTML iconHTML

    UML is useful for modeling object-oriented systems, their behavior and interaction. However, UML currently does not support the modeling of quality of service (QoS) criteria, such as the reliability and accuracy (i.e., quality). A QoS framework provides support to ensure consistency in modeling various qualities of service. It supports a general categorization of different kinds of QoS; including ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A supervisory tool for real-time industrial automation systems

    Publication Year: 2003, Page(s):230 - 237
    Cited by:  Papers (1)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (601 KB) | HTML iconHTML

    Object-oriented techniques have been increasingly used during the development of real-time industrial automation systems, both in modeling and simulation frameworks used in problem domain analysis and requirements engineering, as well as for implementing SCADA (Supervisor.), Control And Data Acquisition) systems. However, mostly commercial available CASE (Computer Aided Software Engineering) tools... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A lightweight middleware protocol for ad hoc distributed object computing in ubiquitous computing environments

    Publication Year: 2003, Page(s):172 - 179
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (289 KB) | HTML iconHTML

    Devices in ubiquitous computing environments are usually embedded, wearable, and handheld, have resource constraints, and are all connected to each other through wireless connections and other computers possibly through fixed network infrastructures, such as the Internet. These devices may form numerous webs of short-range and often low-power mobile ad hoc networks to exchange information. Distrib... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • RTC: a real-time communication middleware on top of RTAI-Linux

    Publication Year: 2003, Page(s):19 - 25
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (296 KB) | HTML iconHTML

    This paper describes RTC, a partially object-oriented middleware inspired on the ISO/OSI standard that implements a complete real-time communication platform on a cluster running under real-time Linux. Media Access Control (MAC) is implemented by means of a modified TDMA protocol, and at the application level a channel-oriented communication is provided. The RTC platform guarantees a bandwidth for... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Metrics and models for cost and quality of component-based software

    Publication Year: 2003, Page(s):149 - 155
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (260 KB) | HTML iconHTML

    Quality and risk concerns currently limit the application of commercial off-the-shelf (COTS) software components to non-critical applications. Software metrics can quantify factors contributing to the overall quality of a component-based system, and models for tradeoffs between cost and various aspects of quality can guide quality and risk management by identifying and eliminating sources of risk.... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A systems engineering approach for constructing certifiable real-time distributed systems

    Publication Year: 2003, Page(s):105 - 112
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (378 KB) | HTML iconHTML

    In this paper, we present a systems engineering methodology for constructing certifiable realtime distributed systems. In the proposed approach, an architectural and algorithmic solution to an application problem is designed by considering the "weakest" models including the weakest asynchronous computational model and multimodal arrival model. Furthermore, timeliness properties are described using... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Implementing the multicast Inter-ORB protocol

    Publication Year: 2003, Page(s):135 - 138
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (271 KB) | HTML iconHTML

    This paper presents our experiments for integrating OMG MIOP (Mullicast Inter-ORB Protocol) specifications into a CORBA ORB. We proposed an integration model which allows the coexistence of two different protocol stacks (IIOP/TCP/IP and MIOP/UDP/IP multicast), making possible a large spectrum of middleware support for distributed objects communication. That integration model is discussed in this p... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Implication of embedded Linux in Japanese embedded industries

    Publication Year: 2003, Page(s):41 - 43
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (449 KB)

    In this short article, we introduce Japan Embedded Linux Consortium. Then, we show the impact of ubiquitous computing researches to embedded system industries, and show a brief overview of our research activities. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Redesigning legacy systems into the object-oriented paradigm

    Publication Year: 2003, Page(s):221 - 229
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (406 KB) | HTML iconHTML

    Object-oriented1 languages support many modern programming paradigms such as information hiding, inheritance, polymorphism, and dynamic binding. As a result, software systems implemented in OO languages are more reusable and reliable than those in non-OO. Many legacy software systems were created before OO programming became popular and needed to be redesigned and updated to OO programs... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Towards model-based and CCM-based applications for real-time systems

    Publication Year: 2003, Page(s):75 - 82
    Cited by:  Papers (12)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (383 KB) | HTML iconHTML

    New advances in software component and modeling standards promise to ease the burden of development complexity while improving flexibility and reliability. These solutions raise the level of abstraction from object-oriented classes to coarser components and support the creation and configuration of systems using modeling or other specification standards. This paper outlines the challenges inherent... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • The event-triggered and time-triggered medium-access methods

    Publication Year: 2003, Page(s):131 - 134
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (321 KB) | HTML iconHTML

    The processes of accessing a shared communication media have been extensively researched in the dependability and real-time area. For embedded systems, the primary approaches have revolved around the event-triggered and the time-triggered paradigms. In this paper, our goal is to objectively and quantitatively outline the capabilities and limitations of each of these paradigms. The event-triggered ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Probabilistic simulation-based analysis of complex real-time systems

    Publication Year: 2003, Page(s):257 - 266
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (387 KB) | HTML iconHTML

    Many industrial real-time systems have evolved over a long period of time and were initially so simple that it was possible to predict consequences of adding new functionality by common sense. However as the system evolves the possibility to predict the consequences of changes becomes more and more difficult unless models and analysis method can be used. Moreover, traditional real-time models, e.g... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Real time distributed control systems using RTAI

    Publication Year: 2003, Page(s):11 - 18
    Cited by:  Papers (34)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (303 KB) | HTML iconHTML

    The paper outlines the design and implementation of the Real Time Application Interface (RTAI) for Linux, as used for high performance local/distributed control systems implemented on low cost off the shelf general purpose computers. Its native lean real time middleware layer is described along with its use in an advanced tool to easily manage and monitor complex networked control systems. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Nested invocation protocol for object-based systems

    Publication Year: 2003, Page(s):238 - 245
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (339 KB) | HTML iconHTML

    We discuss how to invoke a method on multiple object replicas in a quorum-based way. Suppose each instance of a method t on replicas of an object x invokes another method u on replicas in a quorum of an object y. Here, the method u is redundantly invoked multiple times on some replicas of the object y. If each instance of the method t issues a method u to its own quorum, more number of replicas ar... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Embedded linux outlook in the PostPC industry

    Publication Year: 2003, Page(s):37 - 40
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (230 KB) | HTML iconHTML

    This paper presents an analysis of the future of Embedded Linux in the PostPC industry. This analysis is carried out by first examining the current forces at work in the PostPC market and how they effect Linux. Next, we look at the future trends in the PostPC market for the many types of devices we see in the market now and will see in the future and how well these trends can be addressed by Embed... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Adaptive use of network-centric mechanisms in cyber-defense

    Publication Year: 2003, Page(s):183 - 192
    Cited by:  Papers (5)  |  Patents (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (322 KB) | HTML iconHTML

    Attacks against distributed systems frequently start at the network layer by gathering network related information (such as open TCP ports) and continue on by exhausting resources, or abusing protocols. Defending against network-based attacks is a major focus area in the APOD (Application That Participate in Their Own Defense) project, which set out to develop technologies that increase an applica... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Basic program structures for avoiding priority inversions

    Publication Year: 2003, Page(s):26 - 34
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1184 KB) | HTML iconHTML

    Structuring real-time concurrent programs in the form of groups of fixed-priority processes is an old art which is appropriate for only a small fraction of modem real-time distributed computing application systems. However, it is still practiced on the basis of an insufficient technical foundation. One of the basic issues in using the fixed-priority process structuring approach is to avoid the pri... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Issues with object orientation in verifying safety-critical systems

    Publication Year: 2003, Page(s):99 - 104
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (248 KB) | HTML iconHTML

    Primus Epicrm is an all-new integrated avionics system for business, regional and general aviation. Honeywell International Inc. follows the Object Oriented paradigm and the programming language C+ +for certain software components on systems developed for the PRIMUS EPIC system. While C++ programming language offers several advantages, it also has several features that can make it undesirable for ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.