Overview · Last lecture How does choice of address impact network architecture and scalability? What do p addresses look like? · This lecture Modern IP addresses How to get an IP address? What do iP packets look like? How do routers work? 9-26-06 Lecture 9: IP Packets 29-26-06 Lecture 9: IP Packets 2 Overview • Last lecture • How does choice of address impact network architecture and scalability? • What do IP addresses look like? • This lecture • Modern IP addresses • How to get an IP address? • What do IP packets look like? • How do routers work?