The emergence of software-defined networking has accelerated the development of airborne networks of aviation swarm, while also presenting challenges for their consistency update. To solve the failure problem of available paths during network update caused by topology changes, a congestion-minimization network update strategy for topology changes is proposed. Firstly, to reduce the packet loss caused by the failure of available paths, the rerouting mechanism is used for processing before the update. Then, for the network congestion caused by the rerouting mechanism, the greedy flow migration algorithm is designed to reduce the network congestion. Finally, the entire network update is completed by the instantaneous congestion minimization update algorithm. The simulation results show that compared with the traditional congestion consistency update algorithm, the update strategy proposed in this paper allows a small increase in the overhead of rules and instantaneous network congestion in exchange for a significant reduction in packet loss during network update.
LYU Na
,
CHEN Kun
,
CHEN Kefan
,
ZHU Haifeng
,
PAN Wu
. Congestion-minimization network update strategy for topology changes[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020
, 41(7)
: 323661
-323661
.
DOI: 10.7527/S1000-6893.2019.23661
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