About the description of the Huawei SDN solution Overaly technology VXLAN protocol, which is wrong?
A . The endpoint of the VXLAN tunnel encapsulation is called VN
C . VXLAN expands the subnet to 16M and supports multi-tenancy
D . VXLAN uses ECMP of Underlay network to bring higher network forwarding performance
E . VXLAN is built on UDP technology