lecture20: BGP

The lecture describes the defacto standard inter-domain routing protocol, BGP, and some of its interesting features.

Topics covered

• BGP
• Path Vector
• BGP means
• How BGP works
• BGP attributes
• How BGP works
• BGP decision process
• How BGP works
• Example 1
• Example 2
• Example 3
• Examples
• Does BGP solve SPF?
• Does BGP try to optimize?
• Stable Paths Problem
• Simple Example 1
• Simple Example 2
• Simple Example 3
• Bad Widget
• Is this a problem?
• A Real Example
• BGP optimization
• Link state vs Path Vector
• OSPF vs BGP comparison
• What haven't I told you
• BGP the musical