Underlay Connectivity Service (UCS) Status PUBLISHED Study Requirement MEF-SDCP Exam Study Requirement Source(s) and Reference(s) MEF 70 - SD-WAN Service Attributes and Services Definition Related and Further Reading Page: SD-WAN Key Concepts and Definitions Page: SD-WAN Key Concepts and Definitions Page: Defined: SD-WAN Internet Breakout Page: Defined: SD-WAN Internet Breakout Project Lead Kirby Russell Reviewers/Conttributors MEF-SMEsBasil NajemSholy AugustineRyan HoffmanMEF StaffDaniel Bar-Lev