On my courses slide there is a chapter about this concept. I thought it was some sort of idea about replacing legacy and non-flexible technologies as SONET and so on in favor of Ethernet family technologies.

Am i wrong to assume that Carrier Ethernet networks are a sort of enlargement of the LAN Ethernet networks used for deploying MANs and WANs? Can it be seen as the idea of covering a wide area, providing different services (with different bandwidths and needs) to different organizations, using the Ethernet family technologies?

1 Answer 1


"Carrier Ethernet" provides WAN PHYs - point-to-point and passive optical networks (PON) - as well as some extensions to the basic Ethernet concept for carrier use, including QinQ/VLAN stacking, virtual private lines/LANs/trees, and compatibility to legacy networks (SDH/SONET) or general MPLS services.

Carrier Ethernet is designed to coexist with (virtual) circuit switched networks to enable a smooth transition.

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.