An overview of the Real-Time CORBA specification

Schmidt, Douglas C.; Kuhns, Fred

doi:10.1109/2.846319

Cited by 216 publications

(78 citation statements)

References 5 publications

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“…The high-level work flow and basic primitives of communication are not addressed in these paradigms. Even the simplest communication scenario, such as making a phone call, might go beyond the capability of CORBA, which does not inherently support APIs for real-time, interactive voice communications (Schmidt and Kuhns, 2000). Many issues such as, communication quality constraints, exchanged data types, and security definition during communication may arise to be implemented in the real communication services.…”

Section: Computing Middlewarementioning

confidence: 99%

CVM – A communication virtual machine

Deng

Sadjadi

Clarke

et al. 2008

Journal of Systems and Software

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The convergence of data, voice, and multimedia communication over digital networks, coupled with continuous improvement in network capacity and reliability has resulted in a proliferation of communication technologies. Unfortunately, despite these new developments, there is no easy way to build new application-specific communication services. The stovepipe approach used today for building new communication services results in rigid technology, limited utility, lengthy and costly development cycle, and difficulty in integration. In this paper, we introduce communication virtual machine (CVM) that supports rapid conception, specification, and automatic realization of new application-specific communication services through a user-centric, model-driven approach. We present the concept, architecture, modeling language, prototypical design, and implementation of CVM in the context of a healthcare application. Published by Elsevier Inc.

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Section: Computing Middlewarementioning

confidence: 99%

CVM – A communication virtual machine

Deng

Sadjadi

Clarke

et al. 2008

Journal of Systems and Software

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“…For this reason, the communication module includes a message-passing system that simulates a time-bounded network, which allows end-to-end operations to be predicted. Providing guaranteed latency times in communications to establish message-based protocols in distributed environments was developed in works by [Tindell et al (1995)] and [Schmidt and Kuhns (2000)]. …”

Section: The Simulatormentioning

confidence: 99%

Deadline prediction scheduling based on benefits

Palanca

Navarro

García-Fornes

et al. 2013

Future Generation Computer Systems

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This paper describes a scheduling algorithm that composes a scheduling plan which is able to predict the completion time of the arriving tasks. This is done by performing CPU booking. This prediction is used to establish a temporal commitment with the client that invokes the execution of the task. This kind of scheduler is very useful in scenarios where Service-Oriented Computing is deployed and the execution time is used as a parameter for QoS. This scheduler is part of an architecture that is based on the Distributed GoalOriented Computing paradigm, which allows agents to express their own goals and to reach them by means of service compositions. Moreover, the scheduler is also able to prioritize those tasks which provide greater benefits to the OS. In this work, the scheduler has been designed in several iterations and tested by means of a set of experiments that compare the scheduler algorithm with a representative set of scheduling algorithms.

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“…To meet these requirements, extensions of general purpose middleware have been developed. One such example is real-time CORBA [30], which features prioritized scheduling policies for threads and export some control parameters in the communication protocols. Even real-time CORBA, however, has several shortcomings that make its use on demanding embedded system applications problematic [9].…”

Section: A Middlewarementioning

confidence: 99%

A Component-Based Approach to the Design of Networked Control Systems

Årzén

Bicchi

Dini

et al. 2007

European Journal of Control

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Abstract-Component-based techniques revolve around composable, reusable software objects that shield the application level software from the details of the hardware and lowlevel software implementation and vice versa. Components provide many benefits that have led to their wide adoption in software and middleware developed for embedded systems: They are well-defined entities that can be replaced without affecting the rest of the systems, they can be developed and tested separately and integrated later, and they are reusable. Clearly such features are important for the design of large-scale complex systems more generally, beyond software architectures. We propose the use of a component approach to address embedded control problems. We outline a general componentbased framework to embedded control and show how it can be instantiated in specific problems that arise in the control over/of sensor networks. Building on the middleware component framework developed under the European project RUNES, we develop a number of control-oriented components necessary for the implementation of control applications and design their integration. The paper provides the overview of the approach, discusses a real life application where the approach has been tested and outlines a number of specific control problems that arise in this application.

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An overview of the Real-Time CORBA specification

Cited by 216 publications

References 5 publications

CVM – A communication virtual machine

CVM – A communication virtual machine

Deadline prediction scheduling based on benefits

A Component-Based Approach to the Design of Networked Control Systems

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