edge
        dynamic, "NETCONF/YANG"            interfaces
         <---------------> +-------------+
+------+    <- telemetry   | edge router/|-+  -----  +-----+
|config|  .... domain ...  | DHCP server | |  ...    | CPE |+  LANs
|server|                   +-------------+ |  -----  +-----+| (---| )
+------+                    +--------------+  DHCP/   +-----+
                                             DHCPv6-PD