Author Archives: Maen Artimy

Building an OpenFlow Lab

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Like many people, I have started learning about Software-Defined Networking and OpenFlow using Mininet, which is a great virtual environment to use. However, Mininet has some limitations, and I found myself looking for hardware alternatives. This article describes how to build an OpenFlow lab environment that can be used for… Read more »

FlowManager – An SDN Application

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The FlowManager is a RYU controller application that gives the user manual control over the flow tables in an OpenFlow network. The user can create, modify, or delete flows directly from the application. The user can also monitor the OpenFlow switches and view statistics. The FlowManager is ideal for learning… Read more »

How to create Linux containers

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Linux containers isolate applications from the host system that they run on and from other containers. Containers behave much like virtual machines, but unlike virtual machines, containers include only the software components they need to operate rather than an entire operating system. This improves performance and reduces the size of… Read more »

Controlling Zodiac-WX with Ryu

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The Zodiac WX from Northbound Networks is Dual-Band AC1200 AP that includes 2 Gigabit Ethernet ports and support for PoE. It also integrates Zodiac OpenFlow® engine with OpenWrt operating system. The Zodiac WX works with any standard OpenFlow® 1.3 compatible controller and appears to the controller as a 65-port Ethernet switch. This post explains how… Read more »

Zodiac-FX Switch OpenFlow Throughput

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The Zodiac FX from Northbound Networks is an OpenFlow switch designed to deliver the power of Software Defined Networking to researchers, students, and anyone who wants to develop their SDN skills or build applications using real hardware. In a previous post, I described the process of connecting the Zodiac FX switch with… Read more »

Syslog Server for your Fortigate® Firewall

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Are you looking for lightweight Syslog server to test your Fortinet®‘s firewall installation? or Is your firewall missing a local disk to save the logs? If your answer is ‘Yes’ to either question, then you may want to check out this Python script at GitHub. The script starts a syslog… Read more »

SDN with Raspberry Pi and Zodiac FX

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Experimenting with Software Defined Networks (SDN) on real hardware has become a lot easier since I discovered the Zodiac FX switch from Northbound Networks. This 4-port switch supports Openflow v1.0 and v1.3, and it supports many Openflow controllers. This post describes the process of connecting the Zodiac FX switch with… Read more »

Arduino Weather Station

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I’ve built a simple indoor weather station using a Temperature and Humidity sensor and an LCD screen. Here are the instructions on how to build it yourself: First, you need the following components Stanadrd 16 x 2 Character LCD Display Module DHT11 3-Pin Digital Temperature Humidity Sensor Module 10k Ohm… Read more »

IP Address Calculator

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This is my latest Android App and the first to be published in Google Play. The App provides you with basic information about any unicast IPv4 address you enter, including: the network id portion of the IP address given the mask length, the number of usable host IP addresses within the… Read more »

Behind the Wall: The Internet Is The Computer

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Back in the eighties, John Gage of Sun Microsystems coined the phrase, “The network is the computer.” Today, the services made possible by the Internet and our use of them as individuals and organizations affirm John’s statement perhaps in ways they were not even imaginable three decades ago. Technology trends… Read more »