We consider the design ofDemand Assigned Multiple Access (DAMA) algorithms that efficiently utilize limited RF uplink resources for packet switched military satellite communication networks. In previous work, we designed DAMA algorithms that optimized link layer efficiency and throughput while controlling delay and jitter. In this work we assess the ability ofour DAMA algorithm to meet Service Level Agreements (SLA) between the Network Management System and the terminals. We evaluate the ability offour DAMA algorithms to provide terminals Committed Information Rates (CIR) under various system loading conditions. The designs have increasing levels of confidence in the accuracy of the predicted demand. Results show that although traffic demand cannot be predicted precisely, current demand provides insight into future demands and that this information can be used to more efficiently provide CIR guarantees to terminals.
With the increasing size and complexity of emerging military communication networks, low footprint emulation methods are required to evaluate protocols, algorithms and user performance. In this paper we describe a new emulation architecture that is scalable, modular, and responds to real-time changes in topology and link characteristics. We use this scalable emulation testbed to evaluate system performance in a simple Satcom network topology, and enhance it to emulate Dynamic Resource Allocation using distributed software architecture.
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