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A Second Class stamp <a href=" http://buybactrim.storemeds.net/ ">purchase bactrim</a> Another source of confusion is the relationship between network virtualization and SDN. It is possible to implement an SDN that resembles the ONF definition of SDN and use the SDN to implement network virtualization. For example, the Open DayLight foundation recently accepted a contribution from NEC referred to as Virtual Tenant Networking (VTN) that enables an SDN to implement network virtualization. It is possible, however, to implement network virtualization without implementing SDN. For example, both Nuage Networks and VMware/Nicira implement network virtualization using an overlay model. To add to the confusion, Nuage Networks refers to its solution as SDN while VMware is adamant that its solution is network virtualization and not SDN.
