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The Open Networking Foundation (ONF), a non-profit organization dedicated to accelerating the adoption of open Software-Defined Networking (SDN), today announced that the ONF OpenFlow Conformance Testing Program has begun pilot testing for OpenFlow v1.3. ONF members currently participating in the program include companies such as: Digital China Networks (DCN), Centec Networks, Extreme Networks, H3C Technologies, HP, Huawei, Meru Networks, NEC, and ZTE Corporation.