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

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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An Algorithm for Virtual Topology Design in WDM optical Networks under Physical constraints.

파장분할다중화방식 전광통신망에서 물리적 제약을 고려한 가상망 설계 알고리즘

  • 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)
  • Published : 2000.03.01
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Abstract

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.

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References

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