This week in the SDN course on coursera there were lots of examples of real use of SDN stuff, for example like the B4 WAN by Google. They got a really interesting and cool interview with the Network Lead at Google - Amin Vahdat. And! They actually put this interview up …

Is what I did this week during the SDN Course on Coursera :) Within mininet or with a real OpenFlow capable switch, you can point the switch to use a controller. The controller would figure out all the smart stuff and the switch only does what the controller tells it to …

Halfway now, in week3, and just finished the first programming assignment in the course Software Defined Networking. Quite happy with the course so far, the quizzes are not too hard if you actually listen to the video lectures and after taking Coursera's "Learn to Program: Crafting Quality Code" the python …

Even though I'm on summer holiday I'd squeeze in time for a Software-Defined Networking course on coursera! https://www.coursera.org/course/sdn It's given by a professor from Georgia University. It's still not too late to register, it's only on the second week (until tomorrow Monday 8/7) and …

Mininet Mininet is a network emulator written in Python. With it you can create a test network consisting of many devices, for example inside your laptop. It's a lot more light-weight compared to emulating switches/routers in GSN3. Initially Mininet appears to be more about easily getting working network rather …

Do you have IPv6 connectivity? Perhaps a server and a domain name already set up? http://ipv6.he.net/ Some things you get to play with: check if you can view the page in IPv6 send an e-mail over IPv6 rDNS over IPv6 Quite fun way of learning about IPv6 …

Look no further than this link by Demartek: http://www.demartek.com/Demartek_Interface_Comparison.html It has a good picture that shows the difference between the "mini LC", mSFP or whatever it's called and the standard LC connector.

How small VM can you make if you are only going to use it to run Irssi in a screen? OS: Ubuntu 10.10 x64 Virtual Kernel Hypervisor: VMWare Workstation Disk - no logs - 1.10GB is what my previous took, with samba, so probably less but 1.1 should be …

So, you have this awesome Virtual Machine running in your local area network (LAN) and want to be able to forward a port from your broadband router so it can be accessed by somebody else? Doesn't work? In VMWare Workstation go to Edit -> Virtual Network Editor. Then use one of …