It is essential for the companies to have an effective and relaible communication and networking in place to be able to connect workplaces, server infrastructure, internet access, and access to remote locations. Actual I.T. offers solutions based on different level communication packages ranked in four groups:

• basic communication infrastructure to connect to internet,
• infrastructure to connect remote workplaces with the central system (WAN),
• infrastructure to connect workplaces and servers into the local network (LAN),
• wireless infrastructure to connect notebook computers into the local network (LAN).

The solutions for specific internal groups vary, based on data speed transfer and network availability (basic connection, secondary connection, bandwidth, leased lines, and alternate ISP providers). Besides the equipment and maintenance, mostly all the packages include necessary communication costs which in addition simplify the management and expenses review summary.