The BlackDiamond 6800 series platform equipped with the MPLS module offers an advanced carrier-class Multiprotocol Label Switching (MPLS) solution. Extreme's MPLS-enabled BlackDiamond switching platforms enable metro service providers to deliver a variety of business-critical and revenue-intensive services that are highly scalable, simple, resilient and policy-based, both within and across optical metro-area and wide-area networks. Bidirectional rate-shaped point-to-point and point-to-multipoint MPLS transparent LAN services can be delivered in a flexible and highly scalable manner over partial-mesh, full-mesh, and ring-based optical metro network topologies.