Category: AWS Cloud WAN

Introduction Since its launch, AWS Cloud WAN has sparked a lot of interest from customers and has seen a number of enhancements. The latest is service insertion, a new capability that lets you easily insert AWS and third-party networking and security services onto AWS Cloud WAN using a central policy document. Using this feature, you […]

An update was made on July 16, 2025: With the availability of AWS Cloud WAN service insertion, the use of the last-hop return segment containing all destination routes (also called the fullreturn segment in this blog post) is no longer recommended. Instead we recommend to use AWS Cloud WAN Service Insertion. Refer also to the […]

AWS Cloud WAN is a managed wide-area networking (WAN) service that you can use to build and operate wide area networks that connect your data centers and branch offices, as well as your Amazon Virtual Private Cloud (Amazon VPC) VPCs. You can use network policies to centrally configure and automate network management and security tasks, […]

Introduction In this post, we review advanced global routing scenarios with AWS Cloud WAN and AWS Direct Connect and dive into how you can control routing to build connectivity between AWS and on-premises locations. We also share best practices for optimizing routing in multi-Region hybrid networks and review common high-availability settings and failover scenarios. Customers […]

Update: Sep 9, 2024 – Expanded considerations section with clarification on cost dimensions. Introduction AWS Cloud WAN is a managed wide-area networking (WAN) service for building, managing, and monitoring a unified global network, as well as connecting resources running across your cloud and on-premises environments. With AWS Cloud WAN, you have a central place to […]

In July 2022, we announced the general availability of AWS Cloud WAN. With that, we launched the AWS Transit Gateway Connect feature, which provides a native way to extend your SD-WAN (Software defined wide area network) infrastructure into AWS using Generic Routing Encapsulation (GRE) tunnels. Today, we are announcing Tunnel-less Connect for Cloud WAN. This […]

In multi-Region AWS Cloud WAN deployments, customers deploy centralized architectures for use cases such as traffic inspection, hybrid connectivity (using AWS Transit Gateways and AWS Direct Connect), and internet egress. For internet egress, you may use a single egress VPC per AWS Region or per geography (collection of AWS Regions), for example, Americas (AMER GEO), […]

Update: Jan 14, 2025 – AWS launched built-in support for Direct Connect attachments without requiring a TGW. For more information, please see the following launch blog AWS Cloud WAN is a managed wide-area networking (WAN) service for building, managing, and monitoring a unified global network, as well as connecting resources running across your cloud and […]

In this post, we provide recommendations to improve network performance on AWS and hybrid networks. In today’s enterprise networking environment, it is becoming common for customers to have multi-gigabit connectivity to AWS either through AWS Direct Connect or over the Internet. Although network bandwidth is fundamental, several other factors come into play for network performance, […]

Ataccama is a global software company with a unified platform for automating data quality, MDM, and metadata management – Ataccama ONE. We specialize in complex enterprise data governance solutions that provide sustainable, long-term value. At Ataccama, we migrated our global wide area network to AWS Cloud WAN to simplify configuration and management. In this post, […]