This standard specifies the delivery of Internet Protocols (IP) Multicast sessions, the delivery of data for describing the characteristics of a session, and usage of the ATSC A/90 Data Broadcast Standard for IP Multicast. This document defines a standard for the asynchronous transmission of Internet Protocols (IP) specifically including multicast addressing compatible with the ATSC A/90 Data Broadcast Standard. This Standard assumes the use of Session Description Protocol (SDP) as an integral part of the IP Multicast-based Data Broadcast service.