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BGP Path Selection

Watch how internet routes propagate and recover from failures

100ISP Alpha200ISP Beta300Transit Co400Transit Co500Origin600Your Network
Step 1 / 10Network Topology

Here is a simplified internet. Each circle is an Autonomous System (AS), a network run by a single organization. The lines between them are direct connections (peering links). AS 500 has a network (10.1.0.0/16) that everyone else wants to reach.

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