A computer-implemented method, according to one embodiment, includes: receiving, by the computer, information. The information that is received includes: an expiry time which corresponds to a communication request, and communication resources associated with the communication request. The communication resources further include a channel and/or a spectrum band which correspond to the communication request. The expiry time is packaged with the communication resources by the computer. Furthermore, the packaged expiry time and communication resources is passed, by the computer, to devices which correspond to each of one or more identities associated with the communication request. Other systems, methods, and computer program products are described in additional embodiments.