Resource allocation method, apparatus and system for

The present invention discloses a resource allocation method, apparatus and system. A method comprising: receiving a first non-access stratum direct transfer message; the first non-access stratum direct transfer message comprising: a terminal identifier and the MTC service gateway network access request, the request terminal access network comprising: a terminal identifier; the service gateway identifies the respective MTC MTC service gateway allows access to the APN information, determine whether to allow the MTC service via the gateway to access the requested APN access terminal terminal; if allowed, establishing the the corresponding relationship between the context of the terminal, and establishing the context and the terminal MTC service gateway; wherein the control plane resource of the terminal context information comprising the configuration, the MTC service gateway control plane resources configured with the same information. The present invention reduces the cost to achieve the desired MTC services.