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Enabling global expansion and reduced operational overhead at Comcast with AWS Transit Gateway

Networking & Content Delivery Blog

This article discusses how Comcast achieved faster time-to-market, increased resiliency, and reduced operational overhead by using AWS Transit Gateway and AWS Direct Connect.

Specifically, the article covers:

  • Comcast's initial DX Model 1.0 for AWS connectivity which caused inefficient traffic routing and scalability issues
  • The new DX Model 2.0 using AWS Transit Gateway and Direct Connect Gateway to improve performance, scalability and resilience
  • Migration approach and steps to move hundreds of VPCs to the new model with minimal downtime
  • Benefits realized such as better scale, performance, resilience and faster time-to-market
  • Important considerations and tips for a successful Transit Gateway migration
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