Networking & Content Delivery

Tag: AWS Lambda

Serving compressed WebGL websites using Amazon CloudFront, Amazon S3 and AWS Lambda

In this post, you will learn how to deliver compressed WebGL websites to your end users. When requested webpage objects are compressed, the transfer size is reduced, leading to faster downloads, lower cloud storage fees, and lower data transfer fees. Improved load times also directly influence the viewer experience and retention, which will help you […]

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Complying with city-level embargos using Amazon CloudFront

Introduction You may run into occasions where, due to sanctions from governmental organizations like OFAC (Office of Foreign Assets Control), you need to implement granular city-level embargos for your websites. This blog will walk you through an approach to achieving this using Amazon CloudFront geolocation headers and Amazon CloudFront Functions. Note that geographical restrictions at […]

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Using AWS Lambda to enable static IP addresses for Application Load Balancers

Update: On September 27th, 2021, we launched Application Load Balancer(ALB)-type target groups for Network Load Balancer (NLB). With this launch, you can register ALB as a target of NLB to forward traffic from NLB to ALB without needing to actively manage ALB IP address changes through Lambda. You can also use AWS Global Accelerator to […]

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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 […]

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Title image for Automating Connectivity assessments with VPC Reachability Analyzer

Automating connectivity assessments with VPC Reachability Analyzer

If your network architecture is complex, and you’d like to quickly identify application connectivity issues due to infrastructure changes, then the new Amazon Virtual Private Cloud (VPC) Reachability Analyzer can help. Often times, it is not always clear if changes to VPC infrastructure are affecting connectivity to applications and other AWS services. By implementing automated […]

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Hostname-as-Target for Network Load Balancers

Introduction: Network Load Balancers (NLB) is the flagship Layer 4 load balancer for AWS, offering elastic capacity, high performance, and integration with AWS services like AWS Auto Scaling. NLB is designed to handle millions of requests per second while maintaining ultra-low latency, improving both availability and scalability. Network Load Balancers are widely used by all […]

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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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Handling Redirects@Edge Part 2

In continuation with our series on Handling Redirects@Edge, in this blog post, we will explore how you can leverage Amazon CloudFront, Lambda@Edge and Amazon Simple Storage Service (S3) to offload the origin from URL redirection with more advanced capabilities. As part of this solution, we offer a simple custom-built user interface to define and manage […]

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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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