White Papers
Protected Ethernet Rings for Optical Access Networks
Category: Networking and Communications
Tags: ethernet, network management, office, network, management
Overview This paper proposes a centralized link layer architecture for providing low latency fault recovery for optical access rings. This architecture exploits the naturally uneven breakdown of network management responsibilities between the components of an access ring. Important administrative operations like ring status checking, fault detection and recovery are aggregated at the HUB component located in the Central Office of the access network. Consequently, when compared with a standardized Rapid Spanning Tree Protocol implementation, the design of the proposed architecture benefits from a simplified link layer design of the Optical Network Unit, in addition to a significantly reduced fault recovery delay in the ring. The paper also presents an Ethernet-based protocol that realizes the centralized protection model.
- Publisher
- Fraunhofer-Gesellschaft
- File Format
- Date Published
- Jul 8, 2008
- Format
- White Papers
- Topics
- Optical Networking, Access Technologies, Ethernet
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