BGP Routing and Internet Architecture
BGP Routing and Internet Architecture
HardComputer Networks0% accepted
Explain how BGP (Border Gateway Protocol) works, what an Autonomous System is, how routes are advertised between ISPs, and what caused major BGP incidents (Facebook 2021 outage).
Approach
Explain BGP routing, AS numbers, route advertisement, and BGP incidents.
Input
How does traffic from Mumbai Jio user reach Google in US?
Output
Jio eBGP peers with Tata/Airtel/TATA Global; those peer with Level3/HE; BGP selects shortest AS-PATH to Google AS15169
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