The ComM is a resource manager that encapsulates the control of the underlying communication services. It controls the basic software modules related to communication and coordinates the bus communication access requests. The ComM shall simplify the usage of the bus communication stack for the user. It shall offer an API for disabling the sending of signals, shall be able to control more than one communication bus channel of an ECU, and shall simplify the resource management by allocating all resources necessary for the requested communication mode. The COM Manager (ComM) controls the starting and stopping of sending and receiving I-PDUs via AUTOSAR COM. The NM is used by the ComM to synchronize the control of communication capabilities across the network.