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Reports (Research Report) Year : 1998

Adapting Distributed Applications Using Extensible Networks


In this paper, we show that the adaptation of distributed software components can be performed by extending network behavior with Application-Specific Protocols (ASPs). We propose to program ASPs in PLAN-P, a domain specific language designed for active networks. We illustrate the application scope of ASPs with three examples: (i) audio broadcasting with bandwidth adaptation in routers, (ii) an extensible HTTP server with load-balancing facilities, (iii) a multipoint MPEG server derived from a point-to-point server. To reconcile portability and efficiency, the PLAN-P run-time system includes a JIT compiler which is generated automatically from a portable interpreter. Measurements show no performance degradation due to PLAN-P; an ASP can be as efficient as a built-in C version of the same program. Finally, we show that our implementation framework for PLAN-P can be easily evolved, since it is based on an interpreter.
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Dates and versions

inria-00073204 , version 1 (24-05-2006)


  • HAL Id : inria-00073204 , version 1


Scott Thibault, Jérôme Marant, Gilles Muller. Adapting Distributed Applications Using Extensible Networks. [Research Report] RR-3484, INRIA. 1998. ⟨inria-00073204⟩
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