Section: 4.2.2.3 Piggybacked Messages
Content: A piggybacked initial message is carried as a concatenation after a triggered response message and they share a common IP header (see Figure 4.2.0-2). The IP Source Address for the IP packet containing both the triggered response message and the piggybacked initial message shall be the same as the IP Address used for the triggered response message. The IP Destination Address for the IP packet containing both the triggered response message and the piggybacked initial message shall be the same as the IP Address used for the triggered response message.