SATELLITES IN IP NETWORKS.

The article focuses on importance of satellites in IP networks. Satellites have been an important element of telecommunications networks for many years in providing long-distance telephony and television broadcasting. This article will review the satellite communications systems and introduce a new era for satellite communications toward broadband satellite systems and satellite-for-the Internet systems. This means that the satellite is changing its traditional role as being simply a relay in space into becoming an active element similar to a switch or a router in terrestrial networks.