Border Gateway Protocol

  • Border Gateway Protocol (BGP) is a routing protocol used to exchange routing information between different networks.

  • It helps networks find the best path for sending traffic.

⚙️ BGP Usage in AWS

  • Used by AWS Direct Connect:

    • Dynamically advertises routes between your on-premises network and AWS.

  • Used by AWS Dynamic Site-to-Site VPN:

    • Automatically updates routing without manual changes when network paths change.

🧠 Quick Summary

Feature
Description

Purpose

Dynamically exchange routing information between networks

Used In

AWS Direct Connect and Dynamic Site-to-Site VPNs

Key Benefit

Automatic route updates and better network failover

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