 Metro Ethernet and Fiber Optics
Written by: - Feb 8, 2010
Metro Ethernet is the closest thing to plugging straight into the
carriers network, through the use of fiber optics. Fiber optics
are an advantage over traditional copper connections associated
with serial interfaces because fiber is able to transmit higher
bandwidth over longer distances without signal degradation. This
is because single-mode fiber that is used overcomes many of the
drawbacks of copper medium, such as electro-magnetic
interference, security, and distance.
Fiber optics are more expensive, however, not only for the cable,
but also for the equipment interfaces. That is why metro ethernet
over fiber is not everywhere yet. It takes time to build out the
network, but the footprint is growing. What about ethernet over
copper (oec)? If metro ethernet runs over fiber optic lines, then
why would I would it also be availabe over copper? Since fiber
optics don't yet run up to every business, but there are current
existing copper lines. This enables an ethernet connection. Is
there a drawback? Yes, speeds won't be as high. Ethernet over
copper may only be up to 10 Mbps. Ethernet over serial may have a
higher rate, but not the same as fiber optics. Some of the metro
ethernet service providers that also offer ethernet over copper
are XO, Mosaic Networks, and Quest.
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