IEEE Approved Draft Standard for Local and Metropolitan Area Networks---Virtual Bridged Local Area Networks---Amendment 4: Provider Bridges

This amendment enables a service provider to use the architecture and protocols of IEEE Std 802.1Q to offer the equivalent of separate LANs, Bridged Local Area Networks, or Virtual Bridged Local Area Networks to a number of customers, while requiring no cooperation between the customers, and minimal cooperation between each customer and the service provider.