Comp 343/443-001 Week 8 notes

October 22

Virtual Circuit Routing

• Packets contain a Virtual Circuit Identifier, VCI, not a destination address
• VCI changes from hop to hop, according to the virtual-circuit forwarding table

IPv6 basics

Transport

UDP

• UDP basics
• UDP simplex talk
• fundamental transport issues
• TFTP

TCP

• End-to-end principle
• TCP header
• Connection establishment
• TCP simplex talk
• the TCP state diagram