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Modélisation et étude de comportement d'une ligne de communication TCP/IP

Abstract : Networks communication offer a whole of services very diversified as well for industrialists,
banks, research and recently in medicine and for remote control. To this large use
of networks are added constraints of performances, safety and quality of service which service
suppliers must respect. Thus, the study of networks performances and their precise modeling
are important steps to evaluate the several links influences on the data which cross transmission
lines. In order to evaluate the influence of the communication networks on data transmission,
we propose first to model and then to study a TCP/IP transmission line subjected to congestion
control protocols and merged in the Internet external environment. The tool of modeling used
is hybrid Petri nets. A model was established thanks to which all dynamics can be observed at
all the levels of transmission (the buffers load, flows decrease at the entry of the routers, flows
separation in routers, priorities, data storage, delays, losses, etc). This detailed model also allowed
us to visualize what are the effects of the line and protocols parameters changes on the
transmission evolution: a large simulations panel was thus carried out in order to visualize these
various performances. At last, a work of losses detection time improvement was carried out.
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Contributor : Melha Bitam Connect in order to contact the contributor
Submitted on : Monday, September 11, 2006 - 2:25:17 PM
Last modification on : Friday, March 25, 2022 - 11:09:06 AM
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  • HAL Id : tel-00092564, version 1



Melha Bitam. Modélisation et étude de comportement d'une ligne de communication TCP/IP. Automatique / Robotique. Université Joseph-Fourier - Grenoble I, 2005. Français. ⟨tel-00092564⟩



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