tailieunhanh - Lecture Network Fundamentals – Chapter 4: OSI Transport Layer

In this chapter, you learned to: Explain the role of Transport Layer protocols and services in supporting communications across data networks, analyze the application and operation of TCP mechanisms that support reliability, analyze the application and operation of TCP mechanisms that support reassembly and manage data loss,. | OSI Transport Layer Network Fundamentals – Chapter 4 Objectives Explain the role of Transport Layer protocols and services in supporting communications across data networks. Analyze the application and operation of TCP mechanisms that support reliability. Analyze the application and operation of TCP mechanisms that support reassembly and manage data loss. Analyze the operation of UDP to support communicate between two processes on end devices. Transport Layer Role and Services Explain the purpose of the Transport layer Transport Layer Role and Services Major functions of the transport layer and the role it plays in data networks Transport Layer Role and Services Supporting Reliable Communication Transport Layer Role and Services Identify the basic characteristics of the UDP and TCP protocols Transport Layer Role and Services Identify how a port number is represented and describe the role port numbers play in the TCP and UDP protocols Transport Layer Role . | OSI Transport Layer Network Fundamentals – Chapter 4 Objectives Explain the role of Transport Layer protocols and services in supporting communications across data networks. Analyze the application and operation of TCP mechanisms that support reliability. Analyze the application and operation of TCP mechanisms that support reassembly and manage data loss. Analyze the operation of UDP to support communicate between two processes on end devices. Transport Layer Role and Services Explain the purpose of the Transport layer Transport Layer Role and Services Major functions of the transport layer and the role it plays in data networks Transport Layer Role and Services Supporting Reliable Communication Transport Layer Role and Services Identify the basic characteristics of the UDP and TCP protocols Transport Layer Role and Services Identify how a port number is represented and describe the role port numbers play in the TCP and UDP protocols Transport Layer Role and Services Describe the role of segments in the transport layer and the two principle ways segments can be marked for reassembly Application and Operation of TCP Mechanisms Trace the steps that show how the TCP reliability mechanism works as part of a session Application and Operation of TCP Mechanisms Describe the role of port numbers in establishing TCP sessions and directing segments to server process Application and Operation of TCP Mechanisms Trace the steps in the handshake in the establishment of TCP sessions Active participant (client) Passive participant (server) SYN, SequenceNum = x SYN + ACK, SequenceNum = y , ACK, Acknowledgment = y + 1 Acknowledgment = x + 1 Application and Operation of TCP Mechanisms Trace the steps in the handshake in the termination of TCP sessions Active participant (server) Passive participant (client) FIN, SequenceNum = x Acknowledgment = y + 1 Acknowledgment = x + 1 FIN, SequenceNum= y Managing TCP Sessions Describe how TCP .