Abstract
AbstractLAMS‐DLC, a data link control protocol for low altitude satellite networks, was developed to overcome throughput limitations inherent in event‐based positive acknowledgment (POS‐ACK) automatic repeat request (ARQ) class protocols by relaxing certain reliability constraints, in particular the in‐sequence delivery constraint. This relaxation results in a new class of link layer service, that of reliable datagram, and permits a fresh approach to link layer protocol design. In this paper we discuss the motivation for such a protocol, describe one such protocol, LAMS‐DLC, and compare throughput efficiency with results obtained from a simulation model. Results suggest that LAMS‐DLC provides near optimal throughput efficiencies in the target environment, while using significantly less buffer space than is required for conventional POS‐ACK protocols.
Published Version
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