IP Fragmentation

Under UDP, the physical network layer will usually impose a upper limit on the size of the frame that it is able to transmit. So whenever the IP layer receives a data packet to send, it will first check on which interface the datagram is being sent on then queries the interface to find the […]

The Internet is Shackled

Blocked and filtered, monitored and restricted – this is the reality of the internet today.  Ever clicked on a particularly funny looking video to be greeted by the message – ’we’re sorry that video is not available in your area’.  When did the internet change like this, it was once open to all, it didn’t […]