Upon completing this lesson, you will be able to compare and contrast TCP/IP with the OSI model. This ability includes being able to meet these objectives:
• Explain the purpose and functions of the transport layer
• Contrast connection-oriented transport with connectionless transport
• List the characteristics of UDP
• List the characteristics of TCP
• List common applications provided by TCP/IP
• Describe how the protocol stack maps Layer 3 to Layer 4
• Describe how the protocol stack maps Layer 4 to applications
I Order the steps of the initialization of a TCP connection
• Describe the reasons for and the mechanics of flow control
• Order the steps in an acknowledgment sequence
• Define the function of windowing
Define sequence and acknowledgment numbers