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Extending a Network's Longevity by 40%

The current JANET network was built during the latter stages of 2005 and through the first half of 2006. It is split between a backbone and a series of "collector arcs" that function as high speed access networks for JANET's regional networks. Ciena CoreStream DWDM devices form the heart of the backbone, and Ciena CN4200 equipment drives the collector arcs. Two years ago, as planned in the original contract to meet the growing demand of IP traffic, JANET introduced 40Gbit/s SDH circuits. These required the installation of Nortel (now Ciena) OM6500 equipment at select locations as an overlay on the Ciena CoreStreams to cope with the deficiencies of some of the fibre.

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