Lessons
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- Free Start here 01 What BGP actually does
- 02 Autonomous systems and AS numbers
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- What BGP solves: inter-domain reachability vs. intra-domain shortest path
- Path vector vs. distance vector vs. link state
- The Autonomous System as a policy boundary
- Public and private AS ranges, 16-bit and 32-bit
- AS 0, reserved and documentation ASNs
- asplain, asdot, asdot+ notation
- Why BGP has no metric
- Why BGP converges slowly by design
- eBGP vs. iBGP: what actually differs
- AS_PATH loop prevention in eBGP and split-horizon loop prevention in iBGP
- Where BGP is used beyond the Internet