Networking & Content Delivery

Category: Networking & Content Delivery

Lowering Latency by Moving OPTIONS to the Edge

At IMDb, we run a Federated GraphQL Gateway on AWS Lambda that backs our website and apps and handles over 10,000 peak TPS. For more information about how we built that, see our three posts: building GraphQL on Lambda, managing federated schemas, and monitoring and tuning. As our website adds more features that call GraphQL […]

AWS Direct Connect and AWS Local Zones interoperability patterns

AWS Direct Connect and AWS Local Zones interoperability patterns

In December 2019, we announced our first Local Zone in Los Angeles. As a refresher, AWS Local Zones are a type of infrastructure deployment that place compute, storage, database, and other AWS services close to large population, industry, and IT locations. Local Zones extend the capabilities of an AWS Region – what we called “parent” […]

Introducing Amazon CloudWatch Internet Monitor

AWS has just announced the release of a new internet monitoring service, Amazon CloudWatch Internet Monitor. Performance and availability over the internet are key insights that can help you deliver a bar-raising user experience for your AWS applications. User experience can be greatly impacted by internet events outside your control that can go unnoticed. Creating […]

Rapidly recover from application failures in a single AZ

Update – 3rd May 2023 With this update, zonal shift for Amazon Route 53 Application Recovery Controller is now also available in the following AWS Regions. Learn more in the updated What’s New post or zonal shift documentation. Today we’re introducing zonal shift, a new capability of Amazon Route 53 Application Recovery Controller (Route 53 […]

Implementing long-running TCP Connections within VPC networking

Many network appliances define idle connection timeout to terminate connections after an inactivity period. For example, appliances like NAT Gateway, Amazon Virtual Private Cloud (Amazon VPC) Endpoints, and Network Load Balancer (NLB) currently have a fixed idle timeout of 350 seconds. Packets sent after the idle timeout expired aren’t delivered to the destination. Some applications or […]

Achieving traffic segmentation in multi-AWS Region environments using AWS Transit Gateway and AWS Cloud WAN

Achieving traffic segmentation in multi-AWS Region environments using AWS Transit Gateway and AWS Cloud WAN

In June 2022, we announced AWS Cloud WAN in general availability, a managed wide area networking (WAN) service that makes it easy for you to build, manage, and monitor a global network connecting your resources across your AWS Regions and on-premises environments. With Cloud WAN, you have a central place to create and manage your […]

Use CloudFront continuous deployment to safely validate CDN changes

Content delivery networks (CDN) like Amazon CloudFront are often the front door for users and devices to connect to websites or applications. A change to your CDN configuration could result in a complete outage with limited visibility into the cause of the issue. Today’s existing industry solutions for providing the testing of CDN configuration changes […]

Analyzing stale security group rules using serverless architecture

Security is a top priority for AWS and customers running workloads in AWS. The previous post Top 10 security items to improve in your AWS account, covered the top security items that AWS customers should pay special attention to if they want to improve their security posture. High on the list is the need to […]

Architect dual stack Amazon VPC with multiple IPv6 CIDR blocks

Introduction With the increasing adoption of IPv6 on AWS, the need to create an easy-to-manage, hierarchical, and scalable IP addressing plan for Amazon Virtual Private Clouds (Amazon VPCs) becomes critical for customers. With IPv4, adding more CIDR blocks to a VPC was driven mainly by the need to increase the address space within a VPC. […]

Image Optimization using Amazon CloudFront and AWS Lambda

Image Optimization using Amazon CloudFront and AWS Lambda Images are usually the heaviest components of a web page, both in terms of bytes and number of HTTP requests. Optimizing images on your website is critical to improve your users’ experience, reduce delivery costs and enhance your position in search engine ranking. For example, Google’s Largest […]