Deciphering the Enigma of Satellite Computing with COTS Devices: Measurement and Analysis
CoRR(2024)
摘要
In the wake of the rapid deployment of large-scale low-Earth orbit satellite
constellations, exploiting the full computing potential of Commercial
Off-The-Shelf (COTS) devices in these environments has become a pressing issue.
However, understanding this problem is far from straightforward due to the
inherent differences between the terrestrial infrastructure and the satellite
platform in space. In this paper, we take an important step towards closing
this knowledge gap by presenting the first measurement study on the thermal
control, power management, and performance of COTS devices on satellites. Our
measurements reveal that the satellite platform and COTS devices significantly
interplay in terms of the temperature and energy consumption, forming the main
constraints on satellite computing. Further, we analyze the critical factors
that shape the characteristics of onboard COTS computing devices. We provide
guidelines for future research on optimizing the use of such devices for
computing purposes. Finally, we plan to release our datasets to facilitate the
future study.
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