AN OPERATION INDICATION METHOD, DEVICE AND SYSTEM

摘要

An operation indication method, which includes: after receiving the trigger message the application function (AF) entity decides the operation indication, and the operation indication includes indicating the operation of quality of service (QoS) resource reservation and/or network address translation (NAT) control; the AF sends the said operation indication to service-based policy decision function (SPDF) entity; the SPDF entity receives and recognizes the said operation indication and performs the corresponding operation according to the said operation indication. The said SPDF entity can recognize quickly and easily that it is required to perform the control of QoS resource reservation or NAT or both of them through extending the interface between AF entity and SPDF entity and adding the field denoting the operation indication in the mutual message.