From the course: AWS Certified Advanced Networking - Specialty (ANS-C01) Cert Prep

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AWS Direct Connect routing policies and BGP communities

AWS Direct Connect routing policies and BGP communities

Imagine investing in a fast private connection to AWS, yet your traffic still takes a slow route, behaves unpredictably, or fails when you need it most. Many people assume this is a bandwidth or hardware issue, but most of the time, it's actually a routing issue. In this lesson, you'll learn how AWS decides where your traffic goes when using Direct Connect, and more importantly, how you can control that behavior using routing policies and BGP communities. Routing control directly impacts performance, cost, and reliability. Without proper policies, traffic might take unexpected paths, increasing latency, and cost. AWS Direct Connect gives you enterprise-grade connectivity, but routing policies in BGP communities let you control traffic with precision. This lesson has three sections. First, we'll cover Direct Connect routing policies. Next, we'll explain what BGP communities are. Finally, we'll explore the different types of BGP community…

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