The earliest service providers to move into the metro Ethernet space appeared in the 1999–2000 timeframe in the midst of the telecom bubble and have adopted variations of the same business model across the world.
In the U.S., the early adopters of metro Ethernet were the greenfield service providers that wanted to provide services to some niche segments, such as SMBs that are underserved by the incumbent providers. Other providers have found an opportunity in promoting cheaper bandwidth by selling Ethernet pipes to large enterprises or to other providers such as ISPs or content providers.
The greenfield operators consist of BLECs and metro operators, which are discussed next.
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