Patent ID: 8359388

Claim:
A resource admission control function system having dynamic discovering function in a next generation network, the resource admission control function system comprising: a transport resource control function entity and a policy decision function entity that intercommunicate with each other; a dynamic discovering function unit for dynamically collecting and saving information of connection relationship between various function entities in the network, receiving an inquiry request, and feeding back the information of connection relation meeting inquiry conditions to an inquiry request submitting entity; wherein the dynamic discovering function unit specifically comprises: an information collecting sub-unit for dynamically collecting information of connection relationship between various function entities in the network; an information storing sub-unit for storing and/or updating the information of connection relationship; and an inquiry responding sub-unit for inquiring information of connection relationship that meets inquiry conditions in the information storing sub-unit after receiving an inquiry request and feeding back the information to an inquiry request submitting entity; wherein the dynamic discovering function unit is disposed within the transport resource control function entity and/or a policy decision function entity in the resource admission control function system; wherein the dynamically collecting comprises: initiatively inquiring and obtaining the information of connection relationship between various function entities in the network and/or when the function entities in the network change, obtaining information of connection relationship between various function entities after the change upon receiving information about the change; wherein the change of the function entities comprises: addition and withdrawal of the function entities.