Abstract
A protocol is described for the transmission of large data packets over unreliable channels. The protocol splits each data packet and broadcasts it in parts. In case of failure of transmission, only a limited number of retries is allowed (bounded retransmission), hence the protocol may give up the delivery of a part of the packet. Both the sending and the receiving client are informed adequately. This protocol is used in one of Philips' products.
We used μCRL as formal framework, a combination of process algebra and abstract data types. The protocol and its external behaviour are specified in μCRL. The correspondence between these is shown using the proof theory of μCRL. The whole proof of this correspondence has been computer checked using the proof checker Coq. This provides an example showing that proof checking of realistic protocols is feasible within the setting of process algebras.
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Groote, J.F., van de Pol, J. (1996). A bounded retransmission protocol for large data packets. In: Wirsing, M., Nivat, M. (eds) Algebraic Methodology and Software Technology. AMAST 1996. Lecture Notes in Computer Science, vol 1101. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0014338
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DOI: https://doi.org/10.1007/BFb0014338
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