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Dynamic Routing Interworking Method for Integrating Terrestrial Wireless Backbone Network and Satellite Communications System

지상 무선 백본망과 위성 통신망 통합을 위한 동적 라우팅 연동 방안

  • Choi, Jaewon (Satellite Communications PMO, Agency for Defense Development) ;
  • Jo, Byung Gak (Satellite Communications PMO, Agency for Defense Development) ;
  • Kim, Ki Young (Satellite Communications PMO, Agency for Defense Development) ;
  • Park, KyoungYoul (Satellite Communications PMO, Agency for Defense Development) ;
  • Lee, Ju Hyung (Satellite Communications PMO, Agency for Defense Development) ;
  • Han, Joo Hee (Satellite Communications PMO, Agency for Defense Development) ;
  • Han, Yeesoo (Satellite Communications PMO, Agency for Defense Development)
  • 최재원 (국방과학연구소 위성통신체계개발단) ;
  • 조병각 (국방과학연구소 위성통신체계개발단) ;
  • 김기영 (국방과학연구소 위성통신체계개발단) ;
  • 박경열 (국방과학연구소 위성통신체계개발단) ;
  • 이주형 (국방과학연구소 위성통신체계개발단) ;
  • 한주희 (국방과학연구소 위성통신체계개발단) ;
  • 한이수 (국방과학연구소 위성통신체계개발단)
  • Received : 2016.02.15
  • Accepted : 2016.09.02
  • Published : 2016.10.05

Abstract

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.

Keywords

References

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