This session from AWS re:Invent 2023 explores how to leverage AWS services to build a wide area network backbone using the AWS global network. The speakers discuss core networking principles, overlay services, and common architectural patterns for connecting on-premises and cloud environments. They cover key services like AWS Cloud WAN, Direct Connect, Transit Gateway, and Local Zones that enable customers to extend their networks using the AWS backbone. A customer case study from Fortive demonstrates how they modernized their global network infrastructure using AWS networking services, achieving improved performance and significant cost savings. The session provides insights into AWS's global network infrastructure and how customers can take advantage of it to build scalable, high-performance network architectures.