한국통신학회논문지 (The Journal of Korean Institute of Communications and Information Sciences)

  • 제25권3A호
  • /
  • Pages.443-450
  • /
  • 2000
  • /
  • 1226-4717(pISSN)
  • /
  • 2287-3880(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
권호 표지

파장분할다중화방식 전광통신망에서 물리적 제약을 고려한 가상망 설계 알고리즘

An Algorithm for Virtual Topology Design in WDM optical Networks under Physical constraints.

  • 유지연 (서울대학교 전기공학부 컴퓨터 통신 및 교환 연구실) ;
  • 김상완 (서울대학교 전기공학부 컴퓨터 통신 및 교환 연구실) ;
  • 서승우 (서울 대학교 전기공학부 컴퓨터 통신 및 교환 연구실) ;
  • 장문종 (서울대학교 전기공학부 컴퓨 터 통신 및 교환 연구실) ;
  • 우희곤 (서울대학교 전기공학부 컴퓨터 통신 및 교환 연구실)
  • 발행 : 2000.03.01
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초록

Although designing a virtual topology for all-optical WDM wide-area networks has been extensively studied and several algorithms have been proposed, these algorithms assumed error-free communication between two nodes. However, noises from optical amplifiers and optical cross-connects can degraded the signal, resulting in a nonzero bit-error rate. In this paper, we investigate the effect of physical limitations on the virtual topology design. We show that for side-area all-optical networks where transmission distance is fairly long, virtual topology design algorithm that can determine the locations of opto-electronic(OE) and electro-optic(EO) conversions to set up a connection request with a high BER in a multihop manner.

키워드

참고문헌

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