상세정보
학술지
Optical BGP Routing Convergence in Lightpath Failure of Optical Internet
- 발행일
- 200204
- 출처
- ETRI Journal, v.24 no.2, pp.97-108
- ISSN
- 1225-6463
- 출판사
- 한국전자통신연구원 (ETRI)
- 협약과제
- 02MT1300, 수십 Tbps급 광패킷 라우팅 기술연구, 홍현하
- 초록
- Optical Border Gateway Protocol (OBGP) is an extension to BGP for Optical Cross Connects (OXCs) to automatically setup multiple direct optical lightpaths between many different autonomous domains. With OBGP, the routing component of a network may be distributed to the edge of the network while the packet classification and forwarding is done in the core. However, it is necessary to analyze the stable convergence functions of OBGP in case of lightpath failures. In this paper, we first describe the architecture of the OBGP model and analyze the potential problems of OBGP, e.g, virtual BGP router convergence behavior in the presence of lightpath failure. We then propose an OBGP convergence model derived from an inter-AS (Autonomous System) relationship. The evaluation results show that the proposed model can be used for a stable OBGP routing policy and OBGP routing convergence under lightpath failures of the optical Internet.
- KSP 제안 키워드
- Autonomous system, Border gateway protocol, Convergence behavior, Convergence functions, Convergence model, Inter-AS, Optical Internet, Potential problems, Proposed model, Routing policy, packet classification