Build scalable, secure, global connectivity with AWS (NET311)

The key takeaways from the video transcription are:

AWS Cloud WAN

  1. Core Network and Segments: AWS Cloud WAN allows you to create a core network containing networking components managed by the service. You can then define segments within the core network, which are globally isolated routing boundaries.
  2. Attachments and Policies: You can attach VPCs, Transit Gateways, and Direct Connect gateways to the core network. Attachment policies are used to associate these attachments with specific segments.
  3. Segment Isolation and Sharing: You can isolate segments from each other or share routes between them using policies.
  4. Service Insertion: Cloud WAN's service insertion feature enables you to deploy centralized inspection architectures using network function groups.

AWS Direct Connect Native Integration

  1. Simplified Hybrid Connectivity: The new native Direct Connect integration with Cloud WAN eliminates the need for Transit Gateways, simplifying hybrid connectivity architectures.
  2. BGP Routing: The integration enables end-to-end BGP routing between on-premises and AWS, with the cloud-managed Direct Connect Gateway handling the routing.
  3. Routing Behavior: The routing behavior is designed to provide fault isolation, with the on-premises traffic staying on the Direct Connect data plane and not using the Cloud WAN data plane.
  4. Dedicated Segments: You can create dedicated Direct Connect gateways for specific segments, enabling end-to-end segmentation from on-premises to AWS.

Other AWS Networking Services

  1. Site-to-Site VPN: Provides secure VPN connectivity to AWS Cloud WAN over the internet, with BGP peering and redundancy.
  2. Client VPN: Enables remote user access to AWS resources, with support for multi-factor authentication.
  3. AWS Verified Access: Provides client-to-service connectivity without the need for a VPN, with fine-grained, identity-based access control.
  4. VPC Lattice: Enables zero-trust, application-level networking between services, with policy-based access control.
  5. Private Link: Allows service-to-service connectivity across regions, with the introduction of cross-region Private Link.

The presentation emphasizes the importance of building a comprehensive, global network architecture on AWS using the various networking services and features discussed, to address the challenges of the modern, distributed, and mobile-first business environment.

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