To connect different LANs, routers are used to forward requests between them. However, when an organization has multiple LANs, they must interconnect them. In a flat local area network (LAN), devices communicate using local network addresses and can easily connect. It ensures that data takes the shortest, most efficient path across this complex network, minimizing delays and congestion. BGP is the traffic cop at the intersection, deciding which route each data packet should take. Imagine the Internet as a vast web of interconnected roads, with data packets representing vehicles trying to reach their destinations. These autonomous systems are individual networks or collections of networks controlled by a single entity, such as an internet service provider or a large organization. Unlike the protocols that manage data within local networks, BGP operates at a grand scale, connecting the vast and diverse network of networks that compose the global Internet.īGP is classified as an exterior gateway protocol, as it deals with the routing of data between autonomous systems (ASes). What is BGP?Īt its core, BGP is a protocol-a set of rules and conventions-that governs how data moves across the Internet. In this article, we'll delve into the world of BGP, breaking down its importance, how it works, and why it's a cornerstone of the Internet's functionality. It's responsible for routing traffic across the global network of interconnected devices, servers, and data centers. The Border Gateway Protocol, often called BGP, is pivotal in keeping the Internet connected.īGP is the bond that holds the Internet together. Behind the scenes, various protocols ensure this happens seamlessly. In the vast digital landscape of the Internet, smooth and efficient data exchange is crucial.
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