An example technique is provided for controlling sending, by a first user device to an access node, a request for a plurality of D2D discovery message resources to be used to transmit a service message, the request indicating a number of requested D2D discovery message resources and including a single message indication that indicates the requested D2D discovery message resources are requested for the transmission of one service message; controlling receiving, by the first user device from the access node, an indication of a plurality of D2D discovery message resources allocated to the first user device; segmenting, by the first user device, the service message into a plurality of service message segments; and controlling sending, by the first user device to a second user device, each of the service message segments via a respective one of the D2D discovery message resources.
