Category: AWS Cloud WAN

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, […]

Virtual Routing and Forwarding (VRF) is a traditional network feature which uses isolated logical routing domains (route tables/VRFs) to keep network traffic separated within the same physical infrastructure. Customers ask us how to combine the segmentation provided by AWS Cloud WAN and AWS Transit Gateway with VRF isolation when connecting their on-premises networks to AWS. […]

AWS Cloud WAN makes it easy to build and operate wide area networks that connect your data centers and branch offices, as well as your Amazon Virtual Private Clouds (VPCs). With Cloud WAN, you connect to AWS through your choice of local network providers, then use a central dashboard and network policies to create a […]

Update: As of June 11 2024, the Service Insertion feature of AWS Cloud WAN allows users to easily insert firewalls and other security solutions into the traffic flow within a Cloud WAN environment. Rather than manually configuring the underlying routing required to insert these security services, as described in this blog, Service Insertion provides a managed offering that handles this […]