File Managing and Program Execution in Web Operating Systems

Details File Managing and Program Execution in Web Operating Systems File Managing and Program Execution in Web Operating Systems

2010-05-27

arxiv.org/abs/1005.5045v1

Computer Science

Software Engineering

Scientific paper

Web Operating Systems can be seen as an extension of traditional Operating Systems where the addresses used to manage files and execute programs (via the basic load/execution mechanism) are extended from local filesystem path-names to URLs. A first consequence is that, similarly as in traditional web technologies, executing a program at a given URL, can be done in two modalities: either the execution is performed client-side at the invoking machine (and relative URL addressing in the executed program set to refer to the invoked URL) or it is performed server-side at the machine addressed by the invoked URL (as, e.g., for a web service). Moreover in this context, user identification for access to programs and files and workflow-based composition of service programs is naturally based on token/session-like mechanisms. We propose a middleware based on client-server protocols and on a set primitives, for managing files/resources and executing programs (in the form of client-side/server-side components/services) in Web Operating Systems. We formally define the semantics of such middleware via a process algebraic approach.

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