What is Real-Time Protocol (RTP)
Extension of UDP
port no., ip addr
payload type ident
packet seq no.
time-stamp
Does not ensure timely data delivery / quality of service.
RTP is implemented at end systems.
routers do not make special effort to ensure RTP packets arrive at destination in order.
RTP header
- payload type - 7 bits
- seq no. - 16 bits
- time stamp - 32 bits
- sync source id - 32 bits
- misc fields