Fine-grained Mobility in the Emerald System

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Fine-grained Mobility in the Emerald System (1988)

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by Eric Jul , Henry Levy , Norman Hutchinson , Andrew Black

Venue:	ACM Transactions on Computer Systems
Citations:	543 - 23 self

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@ARTICLE{Jul88fine-grainedmobility,
    author = {Eric Jul and Henry Levy and Norman Hutchinson and Andrew Black},
    title = {Fine-grained Mobility in the Emerald System},
    journal = {ACM Transactions on Computer Systems},
    year = {1988},
    volume = {6},
    pages = {109--133}
}

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Abstract

Emerald is an object-based language and system designed for the construction of distributed programs. An explicit goal of Emerald is support for object mobility; objects in Emerald can freely move within the system to take advantage of distribution and dynamically changing environments. We say that Emerald has fine-grained mobility because Emerald objects can be small data objects as well as process objects. Fine-grained mobility allows us to apply mobility in new ways but presents imple-mentation problems as well. This paper discusses the benefits of tine-grained mobility, the Emerald language and run-time mechanisms that support mobility, and techniques for implementing mobility that do not degrade the performance of local operations. Performance measurements of the current implementation are included.

Keyphrases

fine-grained mobility emerald system present imple-mentation problem object mobility small data object performance measurement emerald language distributed program process object emerald object run-time mechanism local operation explicit goal current implementation new way object-based language tine-grained mobility

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