A system, comprising: a computing device performing first operations to setup an MBMS transport bearer over which media is able to be communicated to a plurality of clients via multicast transmissions, and performing second operations to inform the plurality of clients of the MBMS transport bearer's establishment, the second operations comprising determining an immediate need of each client of the plurality of clients based on weighted attributes, assembling a prioritization list of clients based on the determined immediate needs of each client, and delivering unicast messages to the clients in accordance with an order specified by the prioritization list; wherein a first ones of the unicast messages are delivered to first clients of the plurality of clients using a first amount of bandwidth during a first period of time; and a second ones of the unicast messages are delivered to second clients of the plurality of clients using a second amount of bandwidth during a second period of time following the first period of time, the second amount of bandwidth less than the first amount of bandwidth; characterized in that the computing device further: performs third operations to modify the MBMS transport bearer or MBMS transport bearer's service area; and performs a second iteration of the second operations to inform the plurality of clients of the MBMS transport bearer's modification or MBMS transport bearer's service area modification, and a list of clients to receive information indicating that the MBMS transport bearer's modification or MBMS transport bearer's service area modification is built prior to when the immediate need of each client is determined during the second iteration of the second operations. a computing device performing first operations to setup an MBMS transport bearer over which media is able to be communicated to a plurality of clients via multicast transmissions, and performing second operations to inform the plurality of clients of the MBMS transport bearer's establishment, the second operations comprising determining an immediate need of each client of the plurality of clients based on weighted attributes, assembling a prioritization list of clients based on the determined immediate needs of each client, and delivering unicast messages to the clients in accordance with an order specified by the prioritization list; wherein a first ones of the unicast messages are delivered to first clients of the plurality of clients using a first amount of bandwidth during a first period of time; and a second ones of the unicast messages are delivered to second clients of the plurality of clients using a second amount of bandwidth during a second period of time following the first period of time, the performing first operations to setup an MBMS transport bearer over which media is able to be communicated to a plurality of clients via multicast transmissions, and performing second operations to inform the plurality of clients of the MBMS transport bearer's establishment, the second operations comprising determining an immediate need of each client of the plurality of clients based on weighted attributes, assembling a prioritization list of clients based on the determined immediate needs of each client, and delivering unicast messages to the clients in accordance with an order specified by the prioritization list; determining an immediate need of each client of the plurality of clients based on weighted attributes, assembling a prioritization list of clients based on the determined immediate needs of each client, and delivering unicast messages to the clients in accordance with an order specified by the prioritization list; wherein a first ones of the unicast messages are delivered to first clients of the plurality of clients using a first amount of bandwidth during a first period of time; and a second ones of the unicast messages are delivered to second clients of the plurality of clients using a second amount of bandwidth during a second period of time following the first period of time, the second amount of bandwidth less than the first amount of bandwidth; performs third operations to modify the MBMS transport bearer or MBMS transport bearer's service area; and performs a second iteration of the second operations to inform the plurality of clients of the MBMS transport bearer's modification or MBMS transport bearer's service area modification, and a list of clients to receive information indicating that the MBMS transport bearer's modification or MBMS transport bearer's service area modification is built prior to when the immediate need of each client is determined during the second iteration of the second operations.