A complex protocol layer as a linux user-space process

Barros, António; Pacheco, Filipe; Pinho, Luís Miguel

http://hdl.handle.net/10400.22/4020

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Authors

Barros, António

Pacheco, Filipe

Pinho, Luís Miguel

Abstract(s)

With the current complexity of communication protocols, implementing its layers totally in the kernel of the operating system is too cumbersome, and it does not allow use of the capabilities only available in user space processes. However, building protocols as user space processes must not impair the responsiveness of the communication. Therefore, in this paper we present a layer of a communication protocol, which, due to its complexity, was implemented in a user space process. Lower layers of the protocol are, for responsiveness issues, implemented in the kernel. This protocol was developed to support large-scale power-line communication (PLC) with timing requirements.