A cross-layer QoS model for space DTN
by Aiguo Chen; Xuemei Li; Guoming Lu; Guangchun Luo
International Journal of High Performance Computing and Networking (IJHPCN), Vol. 14, No. 2, 2019

Abstract: Delay/disruption tolerant networking (DTN) technology is considered as a new solution for highly stressed communications in space environments. IP-based DTN network can support more flexible communication services, which is one of the research hotspots of space networking. At the same time, it is still an important and difficult problem to optimise the limited network resources allocation and guarantee the QoS of different services in DTN network. For this challenge, a cross-layer QoS model that considers application, network, and node layer QoS requirements and resource limitations is proposed in this paper. In addition, a comprehensive admission control scheme that ensures productivity and fairness is employed. The results of experiments and analyses conducted demonstrate the benefits to be derived from this approach.

Online publication date: Tue, 30-Jul-2019

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