Translation And Execution Of Distributed ADA Programs: Is It Still ADA?

Volz, Richard A.; Mudge, Trevor; Buzzard, Gregory D.; Krishnan, Padmanabhan

doi:10.1117/12.964865

Cited by 4 publications

(9 citation statements)

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“…The pro cess of instantiation of generics to real components must be extended to allow dynamic instantiations. Distributed languages must be studied in a more general context of multiple forms of memory interconnections, multiple pos sible binding times, and various degrees of homogeneity (e.g., see the major dimensions of a distributed language defined in [70]). …”

Section: Discussionmentioning

confidence: 99%

Design of integrated manufacturing system control software

Naylor

Volz

1987

IEEE Trans. Syst., Man, Cybern.

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A coordinated multifaceted conceptual framework for the development of real-time control software for integrated manufacturing systems is described. Typically * such software is deveSoped using outmoded software tools and is invariably tailored to each manufacturing system. Consequently, it is expensive to develop and maintain, inflexible, and relatively unrealiable. One reason, though certainly not the only one, so few integrated manufacturing systems exist is that control software has been created in this flawed way. A more orderly, rational, and structured approach is obviously needed, and one is described here. The approach is based on a blending of modern software concepts and formal semantic models. The software concepts are 1) the use of software components (extended to include hardware), 2) a common distributed language environ ment, and 3) generic (i.e., reusable) software. Control software is con structed as an assemblage of components written in the common distrib uted language. The formal models model the semantics of the assemblages. Generic* are used to enhance the reusability of software. The approach was tested using a network of VAX computers as a testbed.

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Section: Discussionmentioning

confidence: 99%

Design of integrated manufacturing system control software

Naylor

Volz

1987

IEEE Trans. Syst., Man, Cybern.

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“…Previous work [2,3,6,7] shows the need for a technique and tools to assign ADT modules to processors. In [6], Ada packages and tasks are treated as distributable (assignable).…”

Section: Obj Ect-basedmentioning

confidence: 99%

“…Previous work [2,3,6,7] shows the need for a technique and tools to assign ADT modules to processors. In [6], Ada packages and tasks are treated as distributable (assignable). APPL [2] is a language for specifying mappings of Ada programs to concurrent architectures.…”

Section: Obj Ect-basedmentioning

confidence: 99%

See 1 more Smart Citation

Cocoon

Welch

1997

Ada Lett.

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The software engineering techniques of reuse, encapsulation and information hiding are increasingly being employed in the construction of large, concurrent software systems. Simultaneously, hardware platforms continue to increase in sophistication, particularly in the area of concurrency. Thus, systems engineers are confronted with the problem of bridging the gap between (1) large computer-based software systems composed of tasks and ADTs/objects and (2) parallel and distributed computer platforms. Thus, this paper describes the COCOON (Creator Of Concurrent Object-OrieNted Systems) toolset. COCOON bridges the gap between object-oriented Ada software and distributed architectures. It partitions tasks, packages and subprograms, and assigns partitions to physical processors. The toolset automatically produces a distribution specification.

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“…The distribution of many Ada constructs, including tasks, can cause difficulties such as hidden remote objec t references, a need for remote context transmission, or complex termination protocols for some memory/processo r configurations [1] . While some of these difficulties can be overcome with restrictions, the desirability of a restriction is a function of the configuration .…”

Section: Incompleteness Of Reference Manua Lmentioning

confidence: 99%