1. A method, comprising: generating a rendezvous request message, the rendezvous request message specifying a channel C and a rendezvous time T for which a distributed message is to be transmitted in a frequency-hopping computer network; transmitting the rendezvous request message on one or more channels used in the computer network, the one or more channels based on reaching a plurality of intended recipients of the distributed message with the rendezvous request message prior to rendezvous time T; and transmitting the distributed message on channel C at rendezvous time T.