News Category: Networking

Faucet: An Open Source SDN Controller for High-Speed Production Networks

Open standards such as OpenFlow and P4 promised to improve the landscape by opening access to these devices via a programmable API, but they still require someone to write a controller to re-implement normal switch functionality, such as forwarding and routing, in a multi-vendor, standards-...
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How to Use Netcat to Quickly Transfer Files Between Linux Computers

There’s no shortage of software solutions that can help you transfer files between computers. However, if you do this very rarely, the typical solutions such as NFS and SFTP (through OpenSSH) might be overkill. Furthermore, these services are permanently open to receiving and handling incoming...
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network
Learn about the principles required to achieve a successful industry pivot to open source.

Industry-Scale Collaboration at The Linux Foundation

Linux and open source have changed the computer industry (among many others) forever.  Today, there are tens of millions of open source projects. A valid question is “Why?” How can it possibly make sense to hire developers that work on code that is given away for free to anyone who cares to take it...
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DNS (Domain Name Service): A Detailed, High-level Overview

How’s that for a confuding title?  In a recent email discussion, a colleague compared the Decentralized Identifier framework to DNS …suggesting they were similar.  I cautiously tended to agree but felt I had an overly simplistic understanding of DNS at a protocol level.  That email discussion led...
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Linux Commands for Measuring Disk Activity

Linux systems provide a handy suite of commands for helping you see how busy your disks are, not just how full. In this post, we examine five very useful commands for looking into disk activity. Two of the commands (iostat and ioping) may have to be added to your system, and these same two commands...
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LF Networking Moving Forward to Consolidate Open Source Networking Efforts

In January 2018, the Linux Foundation announced a major reorganization of its networking efforts under the umbrella organization known as LF Networking. A year later, it's an effort that continues to advance. In a video interview, Arpit Joshipura, General Manager for Networking at the Linux...
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Nokia Presents OPNFV Gambia Plugfest and ONAP Dublin Developer Forum

The new year will see more than 200 engineers from all over the world gather at our Paris-Saclay site for a Nokia hosted open source event – the jointly held OPNFV Gambia release Plugfest and ONAP Dublin release Developer Forum. As a founder and active participant in both projects, Nokia is...
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ONAP
Amar Kapadia explores some common misconceptions around ONAP.

ONAP Myths Debunked

The Linux Foundation’s Open Network Automation Platform (ONAP) is well into its third 6-month release (Casablanca came out in Dec ’18), and while the project has evolved since its first release, there is still some confusion about what it is and how it’s architected. This blogs takes a closer look...
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How (and Why) to Get Ready for 802.11ax

802.11ax will dominate the Wi-Fi-infrastructure landscape. Here's why--and what you need to do to get ready for 802.11ax. With the steady advances in wireless LAN (WLAN) technologies during the past two decades--remember, the first 802.11 standard of 1997 specified just 1 and 2 Mbps throughput--it’...
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Mass Router Hack Exposes Millions of Devices to Potent NSA Exploit

More than 45,000 Internet routers have been compromised by a newly discovered campaign that’s designed to open networks to attacks by EternalBlue, the potent exploit that was developed by, and then stolen from, the National Security Agency and leaked to the Internet at large, researchers said...
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