A communication method, comprising: receiving , by an authorized device, functional parameter configuration information of a Distributed Service Center, DSC configured as a function for transmitting information with a core network over a backhaul network, onto the authorized device, wherein the functional parameter configuration information is received from a core network, and comprises one or a combination of: a DSC device identifier, a network identifier, a cluster identifier, cluster information, a service identifier, a network service center, NSC identifier of the core network and NSC address information of the core network; wherein the NSC is configured as a function for terminating a control-plane interface of a access network to the core network, onto the core network; the cluster is constituted by DSC and surrounding endpoints connected with the DSC, determining , by the authorized device, a communication demand on the DSC according to the functional parameter configuration information; and transmitting , by the authorized device, a communication request message to a corresponding device, wherein the corresponding device comprises the NSC, the endpoints or adjacent DSCs; wherein the authorized device is configured with the DSC and subscribes in advance with an operator for authorization of the DSC; the authorized device and the endpoints constitute a dynamic network in an ad hoc manner, and the DSC is responsible for managing the network; the DSC establishes a Me1 interface connection with the NSC of the core network; the DSC transmits system broadcast information via an air interface to the endpoints; the DSC discovers an adjacent DSC via the air interface and establishes a Me2 interface connection with the adjacent DSC; wherein the endpoints are Machine-Type Communication, MTC-like accessing terminals. receiving , by an authorized device, functional parameter configuration information of a Distributed Service Center, DSC configured as a function for transmitting information with a core network over a backhaul network, onto the authorized device, wherein the functional parameter configuration information is received from a core network, and comprises one or a combination of: a DSC device identifier, a network identifier, a cluster identifier, cluster information, a service identifier, a network service center, NSC identifier of the core network and NSC address information of the core network; wherein the NSC is configured as a function for terminating a control-plane interface of a access network to the core network, onto the core network; the cluster is constituted by DSC and surrounding endpoints connected with the DSC, determining , by the authorized device, a communication demand on the DSC according to the functional parameter configuration information; and transmitting , by the authorized device, a communication request message to a corresponding device, wherein the corresponding device comprises the NSC, the endpoints or adjacent DSCs; wherein the authorized device is configured with the DSC and subscribes in advance with an operator for authorization of the DSC; the authorized device and the endpoints constitute a dynamic network in an ad hoc manner, and the DSC is responsible for managing the network; the DSC establishes a Me1 interface connection with the NSC of the core network; the DSC transmits system broadcast information via an air interface to the endpoints; the DSC discovers an adjacent DSC via the air interface and establishes a Me2 interface connection with the adjacent DSC; wherein the endpoints are Machine-Type Communication, MTC-like accessing terminals. <EOS>