According to some aspects, methods and systems may include receiving, by computing device from one or more client devices, a plurality of requests for one or more content items formatted in a first format and determining whether to multicast the one or more content items based on a data structure configured with one or more conditions associated with multicasting content. The methods and systems may also include transmitting, to the one or more client devices, the one more content items via one or more multicast streams if the requests meet a first condition of the one or more conditions. The methods and systems may also include formatting the one or more content items in a second format prior to the transmitting if network resources fail to meet a second condition of the one or more conditions.