Networking & Content Delivery

Category: Compute

Using VPC Flow Logs to capture and query EKS network communications

Introduction Capturing and querying Amazon EKS and Kubernetes (K8s) cluster traffic is an important skill to possess. It is especially useful during incident-response and when troubleshooting networking issues surrounding nodes, pods, or services in your cluster. Amazon makes it easier to perform capture and query tasks with Amazon VPC Flow Logs and Amazon Athena. Administrators can use Amazon VPC Flow Logs to […]

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Scaling VPN throughput using AWS transit gateway

Scaling VPN throughput using AWS Transit Gateway

A virtual private network (VPN) is one of the most common ways that customers connect securely to the AWS Cloud from on-premises or data center environments. Customers establish VPN connectivity to AWS using AWS managed VPN solutions like AWS Site-to-Site VPN, transit gateways, or partner solutions running on Amazon EC2. In this post, we demonstrate […]

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Updating AWS Global Accelerator EC2 endpoints automatically based on Auto Scaling group events

AWS Global Accelerator is a network layer service that directs traffic to optimal endpoints over the AWS global network, this improves the availability and performance of your internet applications that are used by a global audience. It provides static IP addresses that act as a fixed entry point to your application endpoints in a single or multiple […]

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Accelerating WordPress with CloudFront using the AWS for WordPress Plugin

AWS for WordPress WordPress is a technological marvel in the number of internet sites it powers and the momentum with which developers actively contribute to the community. Recent estimates put WordPress at powering more than 34% of internet sites, and more than 50,000 plugins are available through WordPress.org covering everything from security enhancements to SEO […]

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Performing Route 53 health checks on private resources in a VPC with AWS Lambda and Amazon CloudWatch

If you have ever used Amazon Route 53 health checks to monitor resources, you know that monitored resources must have public IP addresses. This is because Route 53 health checkers are public and they can only monitor hosts with IP addresses that are publicly routable on the internet. You may want to monitor your resources […]

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Managing Lambda@Edge and CloudFront deployments by using a CI/CD pipeline

As promised in my previous post of this series about Lambda@Edge, in this new blog post I’m sharing some best practices for managing a Lambda@Edge application. So how do you roll out code or configuration changes to a Lambda@Edge function and Amazon CloudFront distribution in a safe and controlled way? Over time, as your application evolves, you’ll […]

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Lambda functions as targets for Application Load Balancers

As of today, Application Load Balancers (ALBs) now support AWS Lambda functions as targets. Build websites and web applications as serverless code, using AWS Lambda to manage and run your functions, and then configure an ALB to provide a simple HTTP/S frontend for requests coming from web browsers and clients. Triggering a Lambda Function from […]

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Simple Serverless Video On Demand (VOD) Workflow

This post discusses the basics of setting up a simple serverless video on demand (VOD) workflow so you can experiment with streaming video with minimal configurations required. (If you have a more advanced VOD use case, check out this post and CloudFormation template from AWS Answers.) To setup a serveless video transcoding workflow, you first […]

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Reducing Latency and Shifting Compute to the Edge with Lambda@Edge

Lambda@Edge provides you with the ability to bring compute power closer to client applications. With the recent increase in function limits and ability to send binary responses, as well as the addition of remote calling from functions, the capabilities of Lambda@Edge have grown. This post demonstrates how you can take an application with a relatively slow rate of changing data and use Lambda@Edge to both provide low latency data to application clients and remove unnecessary calls to a backend service.

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