Networks

Networks / Featured Blogs

NANOG’s Edward Mc Nair to Deliver Keynote Address at CaribNOG 17 in April

Edward Mc Nair will deliver the keynote address at the next regional meeting of the Caribbean Network Operators Group (CaribNOG), to be held in Bridgetown, Barbados from April 10 to 12. The featured talk will take place on Thursday 11 April at 9 am AST. A live netcast will be available. Mc Nair is the Executive Director of the North American Network Operators Group (NANOG).

Routing Security - Getting Better, But No Reason to Rest!

In January 2018, I looked back at 2017 to figure out how routing security looked globally and on a country level. Using the same metrics and methodology, I've recently taken a look at 2018 to see if we're making improvements. The good news is, it seems like the routing system is doing better! But there is still much work to be done. Using BGPStream.com, a great public service providing information about suspicious events in the routing system, I analyzed the number of incidents...

A Look Back at the World of IP Addressing in 2018: What Changed and What to Expect

Time for another annual roundup from the world of IP addresses. Let's see what has changed in the past 12 months in addressing the Internet and look at how IP address allocation information can inform us of the changing nature of the network itself. Back in around 1992 the IETF gazed into the crystal ball and tried to understand how the internet was going to evolve and what demands that would place on the addressing system as part of the "IP Next Generation" study.

Creating TLS: The Pioneering Role of Ruth Nelson

As often occurs in networking and cryptographic history, anecdotes and insularity conspire to mask how developments actually occurred, and seminal roles undertaken by women are forgotten or ignored. One of the notable examples of this proclivity occurred in the cybersecurity cryptology arena as it involves a critical platform known as the Transport Layer Security Protocol (TLS) and the pioneering role of Ruth Nelson.

The Need for Sustainable Open Source Projects

As a long-standing contributor to open standards, and someone trying to become more involved in the open source world (I really need to find an extra ten hours a day!), I am always thinking about these ecosystems, and how they relate to the network engineering world. This article on RedisDB, and in particular this quote, caught my attention.

Who Played a Major Role in Advancing the Internet? Nominations Open for 2019 Internet Hall of Fame

Do you know someone who has played a major role in the development and advancement of the Internet? Now is the time to recognize their contribution. Nominate them for the 2019 Internet Hall of Fame. With more than 100 inductees, the Internet Hall of Fame celebrates Internet pioneers and innovators who have pushed the boundaries to bring the Internet to life and make it an essential resource for billions of people today.

IPv6 in China

Much has been written about the progress of the adoption of IPv6 over the years. I know I've been guilty of adding my writings into the pool, and this article is a further contribution to that pool of observations and measurements. In this case, I want to look in some detail at the deployment of IPv6 in China. Why is China so important in this story of IPv6 deployment?

Lessons from the O2 Network Outage: The Real Cost of Manual Processes

More than 30 million people lost their data connectivity on December 6, 2018, in the United Kingdom as O2's network suffered from a nationwide service outage. Based on several reports, the incident was caused by a human error at Ericsson, the telecoms supplier responsible for operating certain parts of the O2 network. To compensate for the downtime and tarnished reputation, the O2 management is now reportedly seeking damages of up to a hundred million pounds from Ericsson.

New Report About Internet Routing With MANRS

I find myself reading, frequently, about "interesting" exploits of IP routing. Recent history includes the redirection of Telegram traffic to Iran, Google traffic to China, and Cloudflare traffic to Nigeria -- and, per bgpstream.com, 64 events this month, 18 of them on one day. Is this expensive? You bet, both in money and in mindshare. Imagine the impact of discovering your company's name in the press.

In a Networked World Knowing the Right Time Is Essential but How Accurate Are the Computer Clocks?

Computers have always had clocks. Well maybe not clocks as you might think, but digital computers have always had oscillators, and if you hook the oscillator to a simple counter then you have a clock. The clock is not just there to tell the time, although it can do that, nor is it there just to record the time when data files are created or modified, though it does that too. Knowing the time is important to many functions, and one of those is security.