A transmitting apparatus comprises a plurality of communication sessions and a transport manager. The transport manager is configured to establish and manage network sockets for communicating between the transmitting apparatus and a network. The transport manager is configured to receive a plurality of session requests respectively corresponding with a plurality of applications that produce data, each of the session requests identifying a respective set of receiving units and a respective transport protocol. The transport manager is configured to select, in response to each one of the session requests, at least one of the sessions to service a corresponding one of the applications. The transport manager is further configured to establish a network socket for each of the selected sessions, wherein the transport manager configures the network socket to communicate, with the set of receiving units identified by the corresponding session request, via the transport protocol identified by the corresponding session request.