On this Monday’s class, we talked about the evolution of the internet among the past years: how evolved the communication technologies, the services offered at first and how they have increased through the years, and the consequent evolution of the network’s architecture.

The appearance of the smartphones, tablets… changed the way we use the Internet: changed the kind of traffic, the connection’s methods, the services provided… and provoke the change to the always-connected society where we live.

We also chatted about the Initials Design Principles and Requirements of the Internet i.e. survivability, multitude of services, distributed management, accommodate various networks… and the changes occurred on them, i.e. the importance of security and trustability in some services where personal data is involved, or the compatibility the services whatever devices you use…

Finally we talked about the Engineering Principles which have been used in the evolution of the Internet: finding the simplest solution, updating frequently the software and fixing errors, and the constant verification of the engineer work.