METHOD FOR ESTABLISHING TUNNEL AND SYSTEM FOR REALIZING TUNNEL ESTABLISHMENT

摘要

A method and system for establishing tunnels. The method comprises: establishing a first tunnel from a first node to a second node which is unilateral, transferring a first indication information indicating to establish the reverse tunnel of the first tunnel; triggering to establish a second tunnel from the second node to the first node which is unilateral when the first indication information is transferred to the second node; binding the second tunnel as the reverse tunnel of the first tunnel and the first tunnel.