The development of mobile technology began with the intention to relieve the dependency of the user on a particular location. With the evolution of mobile networks, mobile data access was offered, and relatively quickly it has begun to represent an important revenue generator for the typical mobile service provider (SP).

Mobile networks have become very complex. In October IP corner article, David Eror, CCNP and CCSI at NIL Data Communications presents a brief overview of each of these technology solutions.