STAMFORD, Conn. — Spectrum Enterprise, a part of Charter Communications, Inc., today announced the national availability of its Managed SD-WAN service with the unique capability of stitching together SD-WAN networks and Ethernet networks. The Managed SD-WAN service is designed and delivered using a next generation, software defined networking (SDN) and network function virtualization (NFV) platform that is integrated into the Spectrum Enterprise fiber network across the United States.