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Computing accurate deterministic performance bounds is a strong need forcommunication technologies having strong requirements on latency andreliability. Beyond new scheduling protocols such as TSN, the FIFO policyremains at work within each class of communication.  In this paper, we focus on computing deterministic performance bounds in FIFOnetworks in the network calculus framework. We propose a new algorithm based onlinear programming that presents a trade-off between accuracy and tractability.This algorithm is first presented for tree networks. In a second time, wegeneralize our approach and present a linear program for computing performancebounds for arbitrary topologies, including cyclic dependencies. Finally, weprovide numerical results, both of toy examples and real topologies, to assessthe interest of our approach.

Trade-off between accuracy and tractability of network calculus in FIFO networks