| 摘要 |
Administering an interface Ua 150 between a machine-to-machine, M2M, device 110 and a network application function, NAF, 122 for secure communication between the M2M device and the NAF. In one method, the M2M device comprises security information for enabling secure communication via the interface, and administers the interface by: setting a secure interface lifetime parameter based on a lifetime of at least part of the security information; and transmitting administration data to the NAF, wherein the administration data comprises the secure interface lifetime parameter. Also disclosed is a method for a NAF to administer an interface between the NAF and a M2M device, comprising: receiving administration data from the M2M device, the registration data comprising a secure interface lifetime parameter that has been set based on a lifetime of at least part of the security information; and transmitting an administration response to the M2M device. The interface may be a Lightweight M2M, LWM2M, interface. If a remaining lifetime of the at least part of the security information is less than a security information lifetime threshold, new security information is requested from a bootstrapping server 130 thats employing Generic Bootstrapping Architecture GBA. A secure interface lifetime parameter for use in a Machine Type Communication (MTC). |
