The well-documented success of Carrier Ethernet services worldwide has often led today’s ICT managers to investigate how this standards-based carrier-grade technology can be used in the context of their own WANs. With Ethernet’s flexibility and ease of use, the idea of extending its use beyond a single building, across a campus, or through a WAN is natural and intriguing. This paper explores the value proposition of Carrier Ethernet, as expressed by carriers, as it applies to government and enterprise organizations that operate private campus, metro, or regional networks, but with a slightly different emphasis.