Copperheads

As Ethernet provider Cogent Communications vows to double the pace at which it brings its fiber network to new buildings, it seems as though everyone and his brother is focused on Ethernet over copper.

Around this time last year, Infonetics Research analyst Michael Howard said 2006 would be a �breakout year� for vendors to establish themselves as leaders in the Ethernet-over-copper equipment space. But a year later, it seems like there are only more players.

In addition to the usual suspects (folks like Hatteras Networks, Actelis Networks and Overture Networks), Zhone Technologies introduced its own Ethernet-over-copper gear last year. Adva Optical Networking got into the game by acquiring Covaro Networks in late 2005. Ciena joined the club this year by partnering with Anda Networks (yet another vendor in the space). Cisco Systems offers Ethernet-over-copper options for its existing routers, and it has partnered with Hatteras, as have Alcatel and Siemens. Tellabs has partnered with Overture. Ceterus Networks, another start-up, saw a new injection of funds this spring. And today, Turin Networks threw its hat in the ring with a new T-1 bonding product.

Some use DSL bonding to get the job done. Some bond T-1s with Layer 2 protocols. Some use generic framing procedure. Some use a combination of these technologies. But they all appear to be advancing, standing on the shoulders of Ethernet and heralding the day when the Layer 2 technology will be found more commonly on copper than Abraham Lincoln.

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