Satellite Protocol Gateway for satellite link TCP/IP Performance

Satellite communication has played an important role in the global communication field since its emergence in 1960s. With the emergence of the Internet tornado, the satellite Internet technology combined with the Internet has become a new hotspot in the development of satellite communication.

Satellite Internet technology has developed rapidly recently and has become an important part of Internet connection. In order to adapt to the transmission of Internet services, satellite communication also needs to introduce new technologies. The following two satellite Internet technologies have become a hot topic:

Satellite Protocol Gateway for improving satellite link TCP/IP Performance

The TCP/IP protocol used for data transmission over the Internet is a flexible protocol that can be applied to any media, including satellite systems. However, satellite communication, especially synchronous satellite communication systems, has problems such as time extension, high bit error rate, and bandwidth asymmetry, seriously affecting the performance of TCP/IP. Therefore, we need to take Optimization Measures to Improve the satellite TCP/IP performance. Optimization Measures include adjusting the parameters of the transmission control protocol in satellite link applications, reducing the TCP load on satellite links, and using the protocol conversion gateway. The working principle of Protocol Gateway is to replace TCP in satellite connection segments with a protocol that is most suitable for satellite environments. The Protocol Gateway detects TCP connections from the client and converts the data to a dedicated protocol suitable for satellite transmission. Then, the data is restored to TCP on the other side of the satellite link, used to communicate with the server.

External satellite communication technology

We know that communication systems are divided into two basic modes: one-way communication and two-way communication. Two-way communication generally has its own sending and receiving channels. If the receiving and receiving channels of a communication system are separated from each other and one sending channel can correspond to one or more receiving channels, we can call it external interactive communication. With the development of Internet technology, unbalanced transmission is very serious in the existing network communication. Any existing network, whether balanced transmission or non-balanced transmission, cannot adapt to the transmission conditions that change in the transmission ratio within a large range. This will cause a waste of transmission channels or greatly increase the cost. With flexible networking and large system user capacity, interactive technology is easy to adapt to unbalanced transmission with large transmission ratios. Downstream channels of the external interaction technology can be changed, including changes in rate and number of channels. This change in the downstream channel can better adapt to the application of changes in a large range of transmission ratios, and has the characteristics of flexible networking. When the number of users increases, the uplink channel can be appropriately increased, A large number of downstream channels are added to accommodate a large number of users.

At present, Internet communication via satellite has been widely used all over the world. Although it is mainly for enterprise users or system users, the number of individual users has also increased. Experts believe that satellite Internet communication will have an important impact on the globalization of the Internet.