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END-TO-END SERVICE OAM 

Carrier Ethernet has grown to become a dominant technology in Service Provider networks. Driving this growth is the demand from business customers for scalable services, higher bandwidth and lower costs. Carrier Ethernet is defined as the extensions, or enhancements to Ethernet which enable Service Providers to provide dependable Ethernet business services. While traditional, LAN-based Ethernet is a best-effort technology, Carrier Ethernet has evolved to provide robust reliability and availability required for business applications.