CS2910 Week 8, Class 2 Today Return Quiz Look at Schedule TCP implementation! Week 8, Monday Quiz on SMTP May include some questions requiring you to interpret.

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Presentation transcript:

CS2910 Week 8, Class 2 Today Return Quiz Look at Schedule TCP implementation! Week 8, Monday Quiz on SMTP May include some questions requiring you to interpret raw data SE-2811 Slide design: Dr. Mark L. Hornick Content: Dr. Hornick Errors: Dr. Yoder 1

Outcomes Be familiar with the layout of the TCP header Describe the purpose of the following TCP header fields: Source Port, Dest Port, Sequence number, Acknowledgement number Receive window Checksum Explain how sequence and acknowledgement numbers are calculated Describe the behavior of the 3-way handshake 2

TCP Header format SE-2811 Dr.Yoder kev009.com/wisclibrary/aix51/usr/share/ man/info/en_US/a_doc_lib/aixbman/comm admn/tcp_protocols.htm

Formatting of Field Values Like UDP, all fields are stored in a big-endian order (most significant byte first) Some have more bits than others SE-2811 Dr.Yoder 4

Sequence and Acknowledgement Numbers SE-2811 Dr.Yoder 5

SE-2811 Dr. Josiah Yoder 6