............................Figures


Figure 1-1 Client-Server Model	2
Figure 1-2 Layered Protocols	4
Figure 1-3 OSI Reference Model	6
Figure 1-4 TCP/IP Protocol Stack	8
Figure 2-1 Connection-Oriented Communication Using Stream Sockets	20
Figure 2-2 Connectionless Communication Using Datagram Sockets	25
Figure 3-1 How TLI Works	60
Figure 3-2 Transport Endpoint	68
Figure 3-3 Transport Connection	70
Figure 3-4 Listening and Responding Transport Endpoints	83