NTT Communications is expanding its private enterprise cloud outside Asia with the addition of more data centers. The news is more than just a geographic expansion — it represents a full on production use case for software defined networking.

A subsidiary of the NTT Group, (s ntt) NTT Communications announced its enterprise cloud by way of data centers in Hong Kong and Japan in June 2012. It was billed as “the world’s first cloud service to incorporate OpenFlow,” according to a news release. OpenFlow is a protocol for separating packet forwarding from routing decisions, which can be moved from a switch to a different controller. Such separation has the potential to lower the cost of equipment and create interoperable gear that would allow buyers to program their network infrastructure without resorting to proprietary and complex programming options created by the networking gear vendor.

Since last June, data centers in California…

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