Networking & Content Delivery

Category: AWS Transit Gateway

Best practices for deploying Gateway Load Balancer

Updated 03/04/2023: The following updates were made to this blog: Expanded the behavior of idle timeout to address TCP flow and UDP packets. Referenced price reduction announcement for inter-az charges Referenced enhancement made in target failover of the existing flows in GWLB Introduction At re:Invent 2020, we launched Gateway Load Balancer (GWLB), a service that […]

Introduction to Network Transformation on AWS – Part 1

Introduction Your organization may have a sprawling network built with variety of topologies. As your organization begins to embrace cloud, you extend your network to AWS using a hybrid connectivity architecture. Over time, traffic patterns change as more and more of your applications move to the cloud. This means that you can start transforming your […]

How FactSet handles networking for 1000+ AWS accounts

This is a blog post by FactSet’s Cloud Infrastructure team, Gaurav Jain, Nathan Goodman, Geoff Wang, Daniel Cordes, Sunu Joseph, and AWS solutions architects Amit Borulkar and Tarik Makota. In Factset’s own words “FactSet creates flexible, open data and software solutions for tens of thousands of investment professionals around the world. These solutions provide instant […]

Deploy centralized traffic filtering using AWS Network Firewall

In this blog, we will walk through the steps to accelerate your centralized deployment of AWS Network Firewall using a new deployment automation solution—AWS Network Firewall deployment automation for AWS Transit Gateway. We will also discuss common use cases for AWS Network Firewall in a centralized architecture that uses AWS Transit Gateway. Though this post […]

Automating service discovery using AWS Transit Gateway Multicast with IGMP

This post will describe how to use multicast and Internet Group Management Protocol (IGMP), two of the newer features of AWS Transit Gateway, to enable applications and services to discover each other automatically when running in Amazon Virtual Private Cloud (Amazon VPC) environments. Service discovery means that a service client, such as a network file […]

Monitoring AWS Transit Gateway route limits using a serverless architecture

AWS Transit Gateway simplifies your network and puts an end to complex peering relationships. It acts as a cloud router and scales elastically based on the volume of network traffic. It can centralize connections (known as attachments) from your on-premises networks, and attach to Amazon Virtual Private Clouds (VPC) Virtual Private Networks (VPN), AWS Direct […]

Simulating Site-to-Site VPN customer gateways using strongSwan part 2: Certificate-based authentication

Do you need to either demonstrate or learn more about using certificate-based authentication with AWS Site-to-Site VPN capabilities? In part 1 of this series, we showed how to use an AWS CloudFormation template to deploy the open source strongSwan VPN solution to implement the on-premises side of an AWS Site-to-Site VPN connection. The open source […]

Influencing Traffic over Hybrid Networks using Longest Prefix Match

Influencing Traffic over Hybrid Networks using Longest Prefix Match

Introduction Many organizations use hybrid networks to connect on-premises data centers to the cloud. These networks often use both AWS Direct Connect and private WAN MPLS links to connect data centers to cloud resources and to each other. With multiple connections, organizations need to be able to control the path that network traffic will follow […]

Securing ingress using security solutions and AWS Transit Gateway

Introduction Internet-facing applications, by their nature, have a larger attack surface and are exposed to categories of threats most other types of applications will never have to face. Having the necessary protection from attacks on these types of applications, and minimizing the impact of attacks, are a core part of any security strategy. Traditional AWS […]

Centralized inspection architecture with AWS Gateway Load Balancer and AWS Transit Gateway

In our conversations with customers, we are often asked about the best way to architect centralized inspection architectures. Since the launch of AWS Gateway Load Balancer (GWLB), those discussions increasingly revolve around how to use AWS Transit Gateway, Gateway Load Balancer and Gateway Load Balancer Endpoints (GWLBE) together. In this post, we explain how to […]