Category: Amazon VPC

Introduction An increasing number of organizations are adopting IPv6 in their environments, driven by the public IPv4 space exhaustion, private IPv4 scarcity, especially within large-scale networks, and the need to provide service availability to IPv6-only clients. An intermediary step in the path to fully supporting IPv6 are dual-stack IPv4/IPv6 designs, which leverage both versions of […]

As AWS customers adopt multi-account strategies, they need to have cross-account networking in their AWS environment. They also need to extend their network across multiple AWS Regions when creating multi-Region applications or disaster recovery environments. AWS has many services and features that allow you do to exactly that with great flexibility. But for users that […]

Introduction This blog post is a continuation of Introduction to Network Transformation on AWS – Part 1. To recap, as your organization begins to embrace cloud, you extend your network to AWS using a hybrid connectivity architecture. When we work with customers, we see that their network traffic patterns have been changing as more applications […]

There are times when your client systems must resolve a Microsoft Active Directory’s Fully Qualified Domain Name (FQDN) before they can join a domain. Each VPC in your AWS environment is provisioned with a DNS resolver powered by Amazon Route 53. We call this an AmazonProvidedDNS. This resolver runs on the second IPv4 address from […]

Update: As of January 27, 2022, AWS PrivateLink publishes data points to Amazon CloudWatch for your interface endpoints, Gateway Load Balancer endpoints, and endpoint services. CloudWatch enables you to retrieve statistics about those data points as an ordered set of time series data, known as metrics. As a PrivateLink Endpoint owner, you can use metrics […]

Analyzing your VPC Flow Logs using Athena is now easier than ever! The recently introduced VPC Flow Logs integration with Amazon Athena helps you get started with extracting meaningful insights from VPC Flow Logs in just a few clicks. In this blog post, we will walk you through how you can use this recently announced […]

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 […]

Many organizations want to replay production traffic to a test environment, with no impact on the end user’s experience. This is known as traffic mirroring or traffic shadowing. Testing the new version of a workload with production traffic is a key step for a successful release. Some tests use scripted requests, but real traffic is […]

Security and cost are always a top priority for AWS customers when designing their network. Amazon Virtual Private Cloud (Amazon VPC),  and it’s related networking components, offer many tools for implementing network connectivity. One such tool is VPC endpoints. Powered by AWS PrivateLink, VPC endpoints are private connections between your VPC and another AWS service […]

VPC Traffic Mirroring is an AWS feature used to copy network traffic from the elastic network interface of an EC2 instance to a target for analysis. This makes a variety of network-based monitoring and analytics solutions possible on AWS. By capturing the raw packet data required for content inspection, VPC Traffic Mirroring enables agentless methods […]