Low Latency Low Loss Scalable Throughput (L4S) for Time-Critical Defense Applications

Le résumé fourni par la source

Resilient tactical networks need to provide low-latency services for time-critical defense applications, and L4S (low-latency, low-loss scalable throughput) is a well-suited technology to provide sustained low latency even as the number of users increases. In essence, it depends on network-implemented packet marking and application-implemented congestion control to eliminate unnecessary queuing delays and enable scalable throughput from a few hundred kbps to unlimited rates. We evaluated its performance on a private 5G network and exhibited scalable throughput with persistent end-to-end low latency and sub-millisecond jitter, even when the air interface was congested by other user traffic. Note that as L4S is IP layer technology, it can be applied to a variety of military communication means without extra network reconfiguration. This paper was originally presented at the NATO Science and Technology Organization Symposium (ICMCIS) organized by the Information Systems Technology (IST) Scientific and Technical Committee, IST-209-RSY - the ICMCIS, held in Oeiras, Portugal, 13–14 May 2025.

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