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2000
IEEE

Active Files: A Mechanism for Integrating Legacy Applications into Distributed Systems

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Active Files: A Mechanism for Integrating Legacy Applications into Distributed Systems
Despite increasingly distributed internet information sources with diverse storage formats and access-control constraints, most of the end applications (e.g., filters and media players) that view and manipulate data from these sources operate against a traditional file-based interface. These legacy applications need to be rewritten to access remote sources, or need to rely upon ad hoc intermediary applications that aggregate the data into a passive file before executing the legacy application. This paper presents a simple, elegant, programmable method for allowing natural integration of legacy applications into distributed system infrastructures. The approach called active files, enables multiple information sources to be encapsulated as a local file that serves as their logical proxyw. This local file is accessed though a sentinel process, which automatically starts when the file is opened, aggregates data from multiple sources, and filters all access to and from the file. M...
Partha Dasgupta, Ayal Itzkovitz, Vijay Karamcheti
Added 31 Jul 2010
Updated 31 Jul 2010
Type Conference
Year 2000
Where ICDCS
Authors Partha Dasgupta, Ayal Itzkovitz, Vijay Karamcheti
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