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Concept of L1VPN Customers are provided with a virtual optical network using dedicated or shared resources. Connectivity restriction: Layer 1 connectivity is provided to a limited set of CE's physical interfaces. (This set forms the L1VPN membership.) Per VPN control and management: Some level of control and management capability is provided to the customer. CE CE CE CE CE Provider network PE PE PE PE P VPN#1 VPN#2 L1VPN customer interfaces (or service interfaces) for customer#1 CE L1VPN customer interfaces (or service interfaces) for customer#2 |