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Mae Kowalke, TMCnet Contributor
Metro transport networks are in for a rough ride in the next few years if steps are not taken to ameliorate the impending bandwidth challenge they will face.
Metro networks are expected to grow in traffic by 560 percent by 2017, according to a recent Alcatel-Lucent TechZine post, Retool Metro Transport Networks with Packet-Optimized WDM. That’s because, thanks to the cloud and increasing video usage, the percentage of overall network data is increasingly happening in metro networks. In 2012, 57 percent of data traffic terminated in the metro network. By 2017, according to Alcatel-Lucent estimates, 75 percent will terminate in metro networks.
The short-term solution is to add bandwidth through the addition of higher capacity 100G-capable transport systems. But this is only a quick fix.