IP classes / UC1NPR051

IP classes / UC1NPR051

The IP in TCP/IP stands for Internet Protocol, and works in the network layer. IPs are probably known to most people online, but most dont know they can be put into three different classes – Class A, Class B and Class C. All IPs are divided into 4 octets, and...
TCP Flags / UC1NPR051

TCP Flags / UC1NPR051

The TCP protocol has six different flags – SYN (syncronize), ACK (acknowledge), URG (urgent), PSH (push), RST (reset) and FIN (finished). SYN, ACK and FIN are for example part of the three-way handshake. When a TCP-sender is connecting to a TCP-receiver, the...
TCP/IP / UC1NPR051

TCP/IP / UC1NPR051

“Do you even know what TCP/IP is?!” was the question from a friend who had recently taken a Networking Class at an online vocational school. The discussion was fairly heated due to me being Apple-enthusiast and him being a Windows-lover. Although I tried...
Bad internet / UC1NPR051

Bad internet / UC1NPR051

In this blogpost I am going to write a very negative review of the internet. I am going to leave out the positive commentary, which means bringing out all the negative sides – without embellishing. Although I might sound very negative, I find this a very useful...
History / UC1NPR051

History / UC1NPR051

For our first activity sheet in Network Principles, we have to discuss the beginning of the internet. Now, that is an impossible task – simply because there are no real concensus on when it actually started. The first time the word “internet” was...
Mongstad Fiber Project

Mongstad Fiber Project

Soon our new offices in Mongstad will be ready, and it has been very fun seeing it go from an empty shell – to an awesome office filled with technology and activity. One of the projects I have been responsible for, was coordinating, designing and setting up the...