Evaluation of TCP versions over GEO satellite links

In this paper an attempt to evaluate the performance of different versions of TCP over satellite link has been performed. The throughput of the protocols has been graphed and considerations have been carried out. The considered protocols can be divided in two main categories: terrestrial protocols and satellite protocols. In the terrestrial category the well performing TCP Sack protocol has been illustrated together with TCP WestWood and his modified version, TCP WestWood+, while in the satellite category Satellite Communication Transport Protocol (SCPS-TP), and Satellite Transmission Protocol (STP) have been shown and compared. The considered protocols have been analyzed on well-known satellite link: GEO satellite link. In particular, a classical GEO satellite link and a single connection between two terminals have been considered.