Category: Resilience

This blog is co-authored with Jenny Zhou, Principal Enterprise Architect at United Airlines In this blog, we will explore how United Airlines implemented an enterprise-wide resilience program using Amazon Web Services (AWS). United Airlines, a major U.S. airline headquartered in Chicago, Illinois, announced its United Next plan in 2021. United Next is the airline’s plan […]

In this post we explore how you can use AWS Cloud WAN Connect with Generic Routing Encapsulation (GRE) Tunnels and Multi-protocol BGP (MP-BGP) for Equal Cost Multi-Path (ECMP) routing of IPv6 networks. We also cover route verification and failover testing best practices. Many Amazon Web Services (AWS) users are increasingly adopting IPv6 and Software-Defined Wide […]

Today, we’re announcing Amazon Application Recovery Controller (ARC) zonal shift support for Application Load Balancers (ALB) with cross-zone load balancing enabled. This complements the support for Network Load Balancers (NLB) using cross-zone load balancing we announced previously. Now you can use zonal shift with both NLBs and ALBs, with or without cross-zone load balancing configured, […]

Customers frequently use Elastic Load Balancing (ELB) load balancers and Amazon EC2 Auto Scaling groups (ASG) to build scalable, resilient workloads. When configured correctly, Amazon ELB health checks help make your workload more resilient to failures in your workload components behind the load balancer. However, you may need to make tradeoffs for handling different failure […]

We’ll start by outlining how AWS services provide reliability using control planes and data planes, then share high-level design principles for creating a failover mechanism. Finally, we’ll explain the features of Route 53 that make your DR approach more effective.