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지상 무선 백본망과 위성 통신망 통합을 위한 동적 라우팅 연동 방안
최재원,조병각,김기영,박경열,이주형,한주희,한이수,Choi, Jaewon,Jo, Byung Gak,Kim, Ki Young,Park, KyoungYoul,Lee, Ju Hyung,Han, Joo Hee,Han, Yeesoo 한국군사과학기술학회 2016 한국군사과학기술학회지 Vol.19 No.5
The terrestrial wireless backbone network and satellite communications system have been independently developed depending on their own purposes and operational concepts, which results in different characteristics in terms of network architecture and routing protocol operation. In this paper, we propose a method for structurally integrating them in consideration of routing mechanism in an autonomous system. Our approach is that the routers of satellite network operate the OSPF in PTP mode on their interfaces connected to the routers of terrestrial wireless backbone network with grid connectivity, whereas the OSPF in satellite network whose topology is of hub-spoke type runs in NBMA mode. We perform some simulations to verify that the satellite communications system can be integrated and interwork with the terrestrial wireless backbone network by our proposed approach. From simulation results, it is also found that the increases of network convergence time and routing overhead are acceptable.