The Euro-IX video

The internet connects billions of people to billions of things simultaneously. This complex system operates based on agreements and shared rules, much like a game. When two or more computers connect, they form a network. If multiple networks agree to play by the same rules, they can interconnect, forming an 'internet'.

The rules governing these connections are called the Internet Protocol. Adhering to this protocol allows for connecting more devices and networks globally. Every device has a unique address, and messages sent across the internet are broken down into tiny 'packets' of data. Each packet contains information about its origin, destination, and identity, allowing it to travel different paths and be reassembled at the destination.

The internet's strength lies in its decentralized nature. With numerous possible connections, there's no single point of failure. If one path fails or gets overloaded, data can simply take an alternative route, ensuring messages still reach their destination even if a large part of the internet is affected.

To facilitate data exchange between different internet providers, companies either form private connections or utilize shared service platforms called Internet Exchange Points (IXPs). IXPs are physical locations where various organizations, including access providers, broadcasters, publishers, and telecom operators, interconnect their technology. This common meeting point saves costs and ensures faster, more efficient traffic flow.

Traditionally, providers sold passage on their networks. However, for those with regular traffic exchange, this became cumbersome. Many providers realized that by meeting halfway and directly exchanging traffic, or 'peering', they could reduce costs and improve efficiency. Peering through IXPs allows participants to make a single connection to exchange traffic with many other networks, which regulates itself based on mutual benefit, making the internet faster and more affordable for everyone.

The internet is characterized by its open, decentralized, and neutral nature. Its intelligence resides at the edges, not a central core, meaning no single organization controls it. This cooperative agreement among participants is what makes the internet function so effectively.