HUNTSVILLE, Ala.--(BUSINESS WIRE)--ADTRAN®, Inc., (NASDAQ:ADTN), today announced the addition of cloud-managed switches to its ProCloudSM services portfolio. By integrating a cloud-based management platform with best-in-class services, ADTRAN provides businesses with a single pane of glass to optimize the management of wired and wireless networks. The enhanced ProCloud service portfolio enables companies of all sizes to rapidly expand their network to meet changing business needs. Corporate net