News Category: Networking

How the Internet Works: Submarine Fibre, Brains in Jars, and Coaxial Cables

Ah, there you are. That didn't take too long, surely? Just a click or a tap and, if you’ve some 21st century connectivity, you landed on this page in a trice. But how does it work? Have you ever thought about how that cat picture actually gets from a server in Oregon to your PC in London? We’re not...
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Creating a Neural Network in Python

Neural Networks are very complicated programs accessible only to elite academics and geniuses, not something which an average developer would be able to work with, and definitely not anything I could hope to comprehend. Right? Well, no. After an enlightening talk by Louis Monier and Gerg Renard at...
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7 Essential Skill-Building Courses for the Open Source Jobs Market

Dice and The Linux Foundation recently released an updated Open Source Jobs Report that examines trends in open source recruiting and job seeking. The report clearly shows that open source professionals are in demand and that those with open source experience have a strong advantage when seeking...
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Ciena Says Toolkit Makes DevOps Easier

Ciena is unveiling a new software toolkit for its Blue Planet orchestration platform designed to help network operators embrace a DevOps approach to adding new services and features to their virtualized network infrastructure. The new tools can be used by telecom operators' own personnel or in...
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Why Dynamic Hyperconvergence Is the Gateway to the Software-Defined Data Center

Computing and storage platforms leveraged by most organizations today are not equipped to keep up with the breakneck pace of global business, nor are they able to handle the challenges associated with the massive growth of data. As more CIOs and IT decision makers look to reduce infrastructure...
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Why Hyperledger Wants To Be The ‘Linux of Blockchain'

Blockchain technology offers many different benefits to enterprise developers — but there’s no cross-industry open standard for how to develop it. That makes it difficult for vendors and CIO customers to place their bets and begin building it into their technology architecture. Hyperledger, a Linux...
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OpenDaylight performance report
OpenDaylight just updated its performance report to give a more comprehensive picture of ODL’s performance when programming network devices using the industry’s most complete set of southbound protocols, including OpenFlow, NETCONF, BGP, PCEP, and OVSDB.

SDN Developers Report Key Lessons in Testing OpenDaylight Performance

OpenDaylight (ODL) is an open source SDN platform designed to serve a broad set of use cases and end user types, mainly service providers, large enterprises, and academic institutions. Uniquely, ODL provides a plethora of network services in all domains--data center, WAN, NREN, metro and access....
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junk mail
Learn how Postscreen can help filter out spam.

How to Use Postfix Postscreen to Test Email for Spam: Part 1

I recently read with interest that the powerful mail transfer agent (MTA) that is Postfix has introduced a relatively new addition to its load mitigation and anti-spam arsenal. As of version 2.8, Postfix now incorporates Postscreen. In previous versions of the mail server, only one connection...
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Hello HaLow: Your Guide to the Wi-Fi Alliance’s New IoT spec

The Wi-Fi Alliance recently announced a new IEEE specification, 802.11ah, developed explicitly for the Internet of Things (IoT). Dubbed HaLow (pronounced HAY-Low), it’s aimed at connecting everything in the IoT environment, from smart homes to smart cities to smart cars and any other device that...
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Users Cite Management Challenges With Network Virtualization

Any IT professional looking at software-defined networking (SDN) implementation will need to have a long and in-depth discussion about network virtualization (NV) with management tool vendors. Enterprise Management Associates (EMA) research has found that the majority of early adopters have...
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