Open AccessReliability analysis of software-defined satellite network based on control delay
Author(s) -
Zizhen Guo,
Jun Liang,
Nan Xiao,
Jintao Chen,
Baohua Xie
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1693/1/012145
Subject(s) - computer science , reliability (semiconductor) , network delay , transmission delay , queuing delay , controller (irrigation) , real time computing , software , satellite , reliability engineering , channel (broadcasting) , transmission (telecommunications) , queueing theory , computer network , engineering , network packet , telecommunications , power (physics) , physics , quantum mechanics , agronomy , biology , programming language , aerospace engineering
At present, there are few studies about the link failure and reliability of software defined satellite network (SDSN). However, the inter-satellite links (ISLs) may break down because of the long distance between the satellites, the high relative moving speed and the easy interference of the wireless channel. At the same time, most researches on controller deployment in SDSN only consider the transmission delay but ignore the processing delay. To solve these problems, considering the failure probability of intersatellite link, the failure probability model of ISLs is designed, the queuing delay and processing delay are added into the delay model, and the software defined satellite network reliability analysis model based on control delay is established. This model can describe the reliability of the network against link failure. The simulation results show that the model is consistent with the actual situation and can provide some reference value for controller deployment in SDSN.