Architecture of SD-WAN Solution
The overall architecture SD-WAN Solution comprises the network connection layer, control layer, and management layer.
Network connection layer
Enterprises deploy cost-effective routers and use overlay technology to build full network interconnections between the headquarters, branches, and public or private clouds on demand through links such as Internet links and traditional private lines.
Routers (RRs) c policy provisioning, route transfer between sites in each area, and inter-area network interconnection.
Central Management System implements full-process management on enterprise interconnection services. In the southbound direction, configuration and orchestration of different virtual private network (VPN) topologies, as well as management and provisioning of network service policies.