Networking & Content Delivery

Tag: Networking

Monitoring EC2 Connection Tracking utilization using a new network performance metric

In 2020, Amazon Elastic Compute Cloud (Amazon EC2) announced new network performance metrics for EC2 instances made available using ENA driver and Amazon CloudWatch agent. We covered the launch in this post. These network performance metrics give customers visibility into the number of packets queued or dropped when an instance’s networking allowances, such as Network […]

Top 4 Networking considerations for Mergers, Acquisitions, and Divestitures

This blog is co-authored by Parrish Gamarra, Principal Network Architect, Johnson & Johnson Introduction Mergers, Acquisitions (M&A), and divestitures are part of many enterprises’ journeys, driven by evolving business goals like expanding into new geographies or to spin off a line of business. Refer to this post for checking your general readiness for M&A with […]

Introducing Prefix Lists in AWS Network Firewall Stateful Rule Groups

Previously you needed to update individual AWS Network Firewall rules when scaling your network to add new IP addresses. The release of this new feature means that you can update the relevant prefix list, and all of the Network Firewall rule groups that reference the prefix list are automatically updated. Both customer-managed and AWS-managed prefix […]

NetDevOps: A modern approach to AWS networking deployments

Networks have grown larger and more complex with time, but they continue to be the foundation upon which applications and services run. This critical component has demanding requirements to keep up with a high velocity application development world. How can you enable your network to deliver these requirements with confidence? By adopting NetDevOps practices. This […]

Amazon EC2 instance-level network performance metrics uncover new insights

Introduction Amazon EC2 provides instance-level metrics that measure CPU, disk, and network performance. These metrics include bytes and packets in/out and collected by default and can be viewed in Amazon CloudWatch. Amazon EC2 has recently announced additional high-resolution instance level network performance metrics for Elastic Network Adapter (ENA). With these new metrics you can gain […]

AWS Direct Connect monitoring and failover with Anomaly Detection

As enterprises move to the Cloud, having a reliable network connection to their on-premises data centers is fundamental. In this post, I show how to monitor your AWS Direct Connect links and initiate remediation (including automatic failover) when degradation in end-to-end path quality (packet loss, high latency) is detected. Multiple Direct Connect links at separate […]

Introducing AWS Cloud WAN (Preview)

Update 7/12/22: AWS Cloud WAN is now generally available. Today, AWS announced the preview release of a new networking service, AWS Cloud WAN. Cloud WAN is a managed wide area networking (WAN) service that makes it easy for you to build, manage, and monitor a global network that connects resources running across your cloud and […]

AWS Transit Gateway now supports Intra-Region Peering

AWS Transit Gateway now supports Intra-Region Peering

Introduction When we first released AWS Transit Gateway in 2018, it started with support for Amazon Virtual Private Cloud (Amazon VPC) and Site-to-Site VPN attachments. Customers loved the simplicity of deploying hub-and-spoke architectures, built-in resiliency and high availability, and the ability to scale to thousands of attachments using a single gateway. Thereafter we followed with […]

Introduction to Network Transformation on AWS – Part 2

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 […]

Deployment models for AWS Network Firewall with VPC routing enhancements

Introduction Amazon Virtual Private Cloud (VPC) is a logically isolated virtual network. It has inbuilt network security controls and implicit routing between VPC subnets by design. Network security controls such as security groups (SGs) and network access control lists (ACLs) provide you with options to control network traffic. However these controls operate at network and transport […]