News Category: Networking

Linux Foundation Conquers the World, or at Least Becomes Quite Influential in SDN & NFV

Open source projects are new to networking, but they’ve been cropping up all over the place in the last couple of years. And many of them are gravitating toward the Linux Foundation. Some of them were originally independent groups. The Open Network Operating System (ONOS) for example, was founded...
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Top 5 Open Source Web Servers

Statistics show us that well over 80% of web applications and websites are powered by open source web servers. In this article, I look at the most popular open source web servers, and briefly review their history, technology, features, and more. I will also provide some tips so you can easily...
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The OPNFV project turns two this fall. Here, OPNFV Director Heather Kirksey offers a preview of her upcoming LinuxCon presentation discussing the current state of the project: “Learning to Swim Upstream: OPNFV’s Approach to Upstream Integration.”

OPNFV’s Path to Network Transformation

The OPNFV project will turn two this October and, says OPNFV Director Heather Kirksey, like any two-year-old, it’s eagerly figuring out the world and how to interact with it -- “sometimes through the occasional skinned knee but also with the excitement of learning and accomplishing new things.”...
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DDoS Protection in the Cloud

OpenFlow and other software-defined networking controllers can discover and combat DDoS attacks, even from within your own network. Attacks based on the distributed denial of service (DDoS) model are, unfortunately, common practice, often used to extort protection money or sweep unwanted services...
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How Analytics Are Transforming NV

 Big data and analytics are transforming Network Virtualization (NV) by taking advantage of new sources of data and providing analytics tools that can link to automation in software-defined networks (SDNs). One of the things that IT organizations often fail to appreciate about network...
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NIST Denounces SMS 2FA - What are the Alternatives?

Towards the end of July 2016, the National Institute of Standards and Technology (NIST) started the process of deprecating the use of SMS-based out-of-band authentication. This became clear in the issue of the DRAFT NIST Special Publication 800-63B, Digital Authentication Guideline.  NIST Special...
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Let's Encrypt: Why Create a Free, Automated, and Open CA?

During the summer of 2012, Eric Rescorla and I decided to start a Certificate Authority (CA). A CA acts as a third-party to issue digital certificates, which certify public keys for certificate holders. The free, automated, and open CA we envisioned, which came to be called Let's Encrypt, has been...
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Your Next 10 Security Pain Points

  Going to security conferences always stimulates my imagination. It makes me think outside of the box and remove the cruff that develops when I sit inside my lab too long—staring at vCenter monitors, 10 open bash sessions, security consoles, and emails from colleagues swallowing Xanax. If advanced...
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Uncovering Network Performance Killers

We’ve been discussing the many things that could be killing your network’s performance – often quietly and without your knowledge. Last time, we covered the value of using the right tools to get network management data that you need. Let’s continue with a discussion of syslog, debug, managing voice...
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network connectivity
In his upcoming LinuxCon + ContainerCon talk, Alban Crequy will discuss ways to test network connectivity of applications in containers.

Testing Network Connectivity for Applications in Containers

Testing applications is a critical part of software development as illustrated by the rise of continuous integration and automated testing. In his upcoming LinuxCon + ContainerCon talk -- Testing Applications with Traffic Control in Containers -- Alban Crequy will focus on one area of testing that...
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