UDP, TCP (Part I)
PPT Slide
User Datagram Protocol (UDP)
More UDP
UDP effects
UDP Servers
TCP: Key features
Reliability
TCP Header Format
TCP Header
Header length (4 bits): Number of 32-bit words in the header. 4 bits => max header size is 60 bytes
TCP Header (Cont)
TCP Checksum
Connection Establishment
Connection Termination
Three-Way Handshake
More Connection Establishment
SYN pkt lost => retransmitted. Exponential timeout backoff (6, 12, 24 s etc) Connection timeout is 75 s.
MSS
Half close, Half open, Reset
TCP state transition diagram
Effect of 2MSL wait
Simultaneous open/close
TCP Servers
TCP Servers (Contd)
Summary
Email: shivkuma@ecse.rpi.edu
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