Big Picture

What is a VPN and Do I Need One?

How Do IP Addresses Work?

 What’s an IP address and how does it work?

Good question—and one that we’re sure has been dominating Google searches as of late. Here are the basics.

This Proposed Policy Could Impact The International Cable Community. Here’s How.

Cable breaks occur more often than you might think. Research presented in this paper counted 14 different cable failures in U.S. territorial waters or exclusive economic zone between 2008 and 2012.

5 Things You’d Know if You Had a GlobalComms Subscription

Our GlobalComms Database has a lot going on.

Protected vs. Unprotected Circuits: An Explanation in Under 150 Words

You’ve always been told to hope for the best and prepare for the worst. Better believe that those in telecommunications have been told the same thing.

Perhaps that’s why you’ve heard of “protected” and “unprotected” circuits.

The Trombone Effect, Explained

No. This effect has nothing to do with a big parade.

The trombone effect - or just "tromboning" - attempts to categorize the curious, latency-causing path information might travel due to the hub-and-spoke nature of the internet.

The Dyn DDoS Attack, Explained

What happened during Friday’s massive internet outage on the East Coast?

What is the Nyquist Theorem and Why Does it Matter?

It’s a good week to celebrate math and science.

The Truth About Digital Traffic Jams

If you've ever seen that little buffer symbol on your laptop screen as you wait for a movie to load, you know what digital traffic jams feel like.

SD-WAN Provider Facts for the Modern Network Specialist

Network specialists herald the software-defined wide area network (SD-WAN) as the most significant advancement in corporate networks in years.

Here’s why: SD-WAN dynamically routes traffic among multiple connections based on the performance of each link and the priority of applications using the network.

Connections may include relatively expensive, high-performance MPLS VPN links, lower-cost dedicated internet access, or cheaper, “best efforts” business broadband service. Accordingly, SD-WAN dynamically optimizes connectivity cost and application performance. (More on that here.)