Management and Control Scheme for Next Generation Packet-Optical Transport Network

차세대 패킷광 통합망 관리 및 제어기술 연구

  • 강현중 (서일대학교 인터넷정보과) ;
  • 김현철 (남서울대학교 컴퓨터학과)
  • Received : 2012.02.28
  • Accepted : 2012.03.12
  • Published : 2012.03.30

Abstract

Increase of data traffic and the advent of new real-time services require to change from the traditional TDM-based (Time Division Multiplexing) networks to the optical networks that soft and dynamic configuration. Voice and lease line services are main service area of the traditional TDM-based networks. This optical network became main infrastructure that offer many channel that can convey data, video, and voice. To provide high resilience against failures, Packet-optical networks must have an ability to maintain an acceptable level of service during network failures. Fast and resource optimized lightpath restoration strategies are urgent requirements for the near future Packet-optical networks with a Generalized Multi-Protocol Label Switching(GMPLS) control plane. The goal of this paper is to provide packet-optical network with a hierarchical multi-layer recovery in order to fast and coordinated restoration in packet-optical network/GMPLS, focusing on new implementation information. The proposed schemes do not need an extension of optical network signaling (routing) protocols for support.

Acknowledgement

Supported by : 서일대학

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