Local restoration with multiple spanning trees in metro ethernet networks
IEEE/ACM Transactions on Networking (TON)
A protocol for fast recovery on mesh networks using a multi-topology approach
Proceedings of the 6th Euro American Conference on Telematics and Information Systems
Link repair in managed multi-domain connections with end-to-end quality guarantees
International Journal of Network Management
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Ethernet technologies are rapidly gaining importance as a prevailing solution for carrier networks. Ethernet ring protection switching, defined in ITU-T Recommendation G.8032, provides a means of achieving carrier network requirements for ring network topologies. This article outlines the novel concepts in this Ethernet ring protection switching mechanism and discusses the fundamental operating principles by which the automatic protection switching (APS) protocol works. In addition, several feature enhancements in protection behavior and solutions being considered for the next phase of standardization are discussed.