What is BGP? || How it works? || Prepare for the Interview in 5 mins.
Border Gateway Protocol (BGP)
Description: BGP is a path vector protocol that is used for routing between different autonomous systems (ASes). It uses the AS-path, prefix, and other attributes to select the best path.
How it Works: BGP exchanges routing information between different ASes, and each BGP router advertises prefixes and the best path to reach them. It also uses attributes like AS path and next-hop to determine the best route.
Used in: Internet routing, large ISPs, and between organizations with different ASes.
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