Abstract
Ethernet ring protection (ERP) is an emerging solution for carrier-grade
optical Ethernet networking developed as an ITU-T recommendation. The most
recent development of the ERP technique provides multi-ring protection in a
mesh packet transport network. The ERP configuration and capacity planning
in a ring mesh topology can be optimized in the selection of the
interconnected ring hierarchy and logical loop prevention block positions.
This paper reports the first investigation to understand the designing
principles of protected Ethernet ring mesh networks and proposes an
optimized design scheme for cost-effective and reliable ERP
networking.
© 2011 IEEE
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