Transport Layer: TCP and UDP

• Transport Layer Design Issues
• Transport Layer
• Transport Layer Functions
• Protocol Layers
• Multiplexing and Demultiplexing
• User Datagram Protocol (UDP)
• Error Detection: Checksum
• 1s Complement
• Flow Control
• Sliding Window Diagram
• Stop and Wait Flow Control
• Sliding Window Protocol Efficiency
• Utilization: Examples
• Effect of Window Size
• Efficiency Principle
• Error Control: Retransmissions
• Go-Back-N ARQ
• Selective Repeat ARQ
• Selective Repeat: Window Size
• Performance: Maximum Utilization
• Performance Comparison
• Transport Layer Design Issues
• TCP
• Key Features of TCP
• TCP
• TCP Header Fields
• TCP Options
• TCP Checksum
• TCP Connection Management
• Round Trip Time Estimation
• Our Research on Congestion Control
• Slow Start Congestion Control
• AIMD Principle
• Fast Retransmit
• TCP Congestion Control State Diagram
• TCP Average Throughput
• Explicit Congestion Notification (ECN)

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Questions & Answers Session: Revised Slides with Q&A.

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