Designed as the primary transport protocol of delay/disruption-tolerant networking (DTN) in space, Licklider Transmission Protocol (LTP) is expected to provide reliable data delivery service in a challenging networking environment regardless of presence of random link disruptions and/or extremely long propagation delays. The NASA has implemented the use of DTN protocol on the International Space Station for data delivery to the earth ground station. However, there is a lack of a performance evaluation of LTP for its use in the space station communications, especially in presence of link disruption. In this article, a study using a PC-based experimental infrastructure is presented in evaluating the performance of LTP for reliable data delivery from the space station to the ground stations. Realistic experiment results are presented with a focus on the effect of link disruption occurred either over the downlink or over the uplink. The effect of data loss due to channel error is also investigated.
LTP for Reliable Data Delivery From Space Station to Ground Station in the Presence of Link Disruption
IEEE Aerospace and Electronic Systems Magazine ; 38 , 9 ; 24-33
2023-09-01
1252285 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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