본 논문에서는 Fixed ROADM 장치, 동적 재구성이 가능한 ROADM 장치, 파장선택 스위치(WSS : Wavelength Selective Switch)를 사용한 ROADM 장치 등을 사용한 전송망에서의 멀티캐스팅 방법에 대해 설명하였으며, 링으로 구성된 네트워크 노드에서 광 신호 멀티캐스팅 구성 방법을 제안하였다. 링 네트워크 시스템에서 멀티캐스팅은 복수의 노드 장치 중 첫번째 노드에서 전송한 광 신호를 첫번째 노드를 제외한 나머지 모든 노드 장치에서는 광 신호를 통과시키면서 목적지에 해당하는 노드 장치에서는 광 신호를 추출하는 방법이다.
KSP Keywords
Wavelength selective switch(WSS)
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