Communication diagrams

The Leased-line connection (multi-drop), VSAT connection (point-to-point), and Temporary dial connection (point-to-point) figures illustrate the main differences between leased-line, VSAT, and temporary dial connections.

Leased-Line Connection

The figure shown below demonstrates a leased-line connection with multi-dropped remotes of varying speeds. A leased-line connection is a fast connection. A relatively small amount of time is required to establish the connection, and the communication delay time, or latency, is low.

Note: The same connection is used for both remotes, communication between the host and each remote is different because of the delays and timeouts configured in the remote records.

VSAT Connection

The figure shown below demonstrates a VSAT connection with a slow remote. A VSAT connection is a slow connection. The time required to establish the connection is similar to that of a leased-line, since the connection is usually to a local VSAT router. However, a VSAT connection has a large communication delay time because of the propagation delay inherent in satellite communication.

Dial Connection

The figure shown below demonstrates an example of a temporary dial connection with several remotes. Although it takes some time to establish a dial connection, once it is connected it can be as fast as a leased-line connection.