such as the application layer. Following are some of the common IP protocol numbers. IP Protocol # Purpose TCP 6 Transport type UDP 17 Transport type ICMP 1 Control message IGMP 2 Multicast EGP 8 ...
Okay, but it will be most helpful if you first go back to Chapter 2 and review Figures 2.15 and 2.16. As can be seen from these figures, the TCP/IP protocol suite defines two different transport layer ...