IoT/M2M aims to integrate a large number of heterogeneous devices which are constantly required to be discovered and reconfigured in order to bring them up to date or to recover from their failures. A device management protocol enables the abstraction of an IoT/M2M device as a managed object to ease the management of the device. The M2M standards, such as ETSI and OneM2M, have adopted the use of OMA Lightweight M2M Device Management Protocol to manage and configure the IoT/M2M devices from the IoT/M2M platform. However, how to incorporate and do resource mapping of OMA LWM2M in the IoT/M2M standard architecture is not well addressed by those standards. In this paper, we present and analyze how to incorporate the OMA LWM2M in the IoT/M2M standard architecture. Through this seamless incorporation, an IoT/M2M application is enabled to manage IoT/M2M devices from the IoT/M2M service platform at a higher level of abstraction.