What are the outine protocol and explain BGP, EIGRP and ISIS.

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Accepted Answer

BGP, EIGRP, and ISIS are routing protocols used in networking.

BGP (Border Gateway Protocol) is used for routing between different autonomous systems.
EIGRP (Enhanced Interior Gateway Routing Protocol) is a Cisco proprietary protocol used for routing within a single autonomous system.
ISIS (Intermediate System to Intermediate System) is a protocol used for routing within a single autonomous system, similar to EIGRP.
BGP uses a path-vector algorithm to determine the best path for data to travel between autonomous systems.
EIGRP uses a distance-vector algorithm and supports load balancing and route summarization.
ISIS uses a link-state algorithm and supports hierarchical network design.
All three protocols are used to exchange routing information between routers and ensure efficient data transmission.

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