1. Evolution of mobile networks towards all-IP

1.1 Evolving user needs

Today, it's hard to imagine our lives without mobile applications and services. Around the world, these services are playing an increasingly important role in everyday life, in more ways than one. Just ten years ago, mobile services were mainly limited to simple voice communication. In 2010, we depend on mobile services not only for communication, but also for education, entertainment, healthcare, e-commerce, payment...

Mobile services are changing the way we communicate every day: why, when and how often do we communicate? Today, mobile communication is ubiquitous (everywhere and at all times), personalized (for example, with instant messaging or social networks) or interactive (for example, with video telephony or augmented reality)....