摘要： Under the stimulating of policy traction, technology accumulation and business needs, SD-WAN has experienced the technologicial evolution of“SD-WAN 1.0v”to“SD-WAN 2.0v”, growing into the most rapid business application scenario in SDN field. Integrated SD-WAN three typical applications: enterprise site interconnection, data center interconnection and cloud interconnection, this paper builds an SD-WAN reference architecture for End-to-End service, covering 5 major function modules and 10 key technologies
