A performance comparison of connection-oriented and connectionless LLC protocols in a high-speed satellite data network

摘要

A performance comparison is made between a connection-oriented (CO) logical link control (LLC) protocol and a connectionless (CL) LLC protocol in a high-speed satellite packet network with the TDMA-reservation multiple access protocol. In particular, the authors examine how the channel transmission rate affects the performance of the two LLC protocols and then determine which LLC protocol is more suitable for any given system environment. The comparison indicates that the CL-LLC protocol has more advantages over the CO-LLC protocol as the channel transmission rate increases and that the suitable region for the CL-LLC protocol becomes wider as the receive-buffer capacity increases and as the network load decreases.