A method of performing load balancing in a control plane of a virtual wireless access network, includes: obtaining a packet from a client; searching for session information corresponding to the packet in a local table of at least one load balancer or a global table; updating at least one of the local table or the global table based on at least one of whether the session information exists in the local table or whether the session information exists in the global table; and transmitting the packet to a backend server identified according to a distribution method based on the session information.