By Lisa Huff
Telx  defines itself as “The Interconnection Company,” so it’s no surprise  that it is the leader in the emerging Carrier Ethernet Exchange market.  What is most interesting to me is how simple Telx has made their  Ethernet Exchange connection. I recently saw this first-hand at its 111 8th Ave NYC data center.
But  first, what exactly is a Carrier Ethernet Exchange? It occurred to me  that this question needed to be answered when I was on a panel on this  subject at OFC/NFOEC. While many of the attendees should be interested  in what they are and how they are progressing, they didn’t seem to be.  The Metro Ethernet Forum’s formal definition of an Ethernet Exchange is  “an interconnect point among service providers where Carrier Ethernet  Services are exchanged.” This really just means that if you’re an end  user, you want this service so you can have a direct Ethernet  connection. Today, most enterprises are still encapsulating their native  Ethernet data into TDM/SONET/SDH then de-encapsulating it at the other  end. However, more and more, end users are seeing the benefits of  Ethernet Services and perhaps eventually, the entire public network may  be running native Ethernet.
  While Telx is best known as one of the premier wholesale co-location  providers, it was also at the forefront of Ethernet exchanges.  Telx is a  carrier-neutral data center co-location provider and has several  facilities around the New York metro area which enables it to supply  seamless Ethernet connection not only between carriers, but between any  of its co-location enterprise customers as well. Its Ethernet Exchange  services have a range of options depending on customer’s needs. It  charges by the port and can connect customers at 100 Mbps, Gigabit or  10G data rates through its Cisco ASR 9000 equipment. Telx expects to  incorporate 40G as needed – probably not until 2012/2013 timeframe,  though. No equipment is oversubscribed and low latency options are  available for premiums.
Telx  considers Equinix and CENX its main competitors in the Ethernet  exchange market. While it is rather difficult to quantify this market,  Ethernet exchanges services are expected to have around a 20-percent  CAGR over the next five years starting at 100’s of millions of dollars  in 2011. Plenty of revenue to support the few entrants that have decided  to focus on it so far.