lecture19: Inter-Domain Routing (policies)

The lecture extends our discussion of routing to allow for more complicated routing objectives such as policies, which are used for inter-domain routing.

Topics covered

• the Internet
• Internet Topology
• the Internet
• Number of ASes
• the Internet
• Different Flavours of Routing
• An Aside on Gateways
• Link state vs Distance Vector
• Distance Vector reminder
• Distance Vector example %
• Sink trees
• Internet structure/topology
• Tiering
• Peering
• Tiering and Peering
• Peering Connections
• Private Peering Connections
• Exchange points
• Distributed Exchange points
• Co-Location
• Routing Policy
• Hot Potato routing
• Complexities multiply
• A Picture of the Internet
• A Real Example
• Inter-domain optimization