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Enterprise networks form the backbone of corporate communication. Ethernet is the default layer-2 transport protocol and has undergone decades of constant innovation and improvisation. We propose a solution called CAMPUS for enterprise networks primarily based on end-to-end Ethernet. This all-Ethernet campus networking paradigm is designed for large enterprises or even metro networks relegating IP functions to only large core routers, while making good use of carrier-class Ethernet switches in the access and the metro area. Implementation of the CAMPUS solution is discussed from a theoretical as well as hardware perspective. Service provisioning, scalability and performance features are evaluated through extensive simulations model.