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Delay is Not an Option: Low Latency Routing in Space

Handley, MJ; (2018) Delay is Not an Option: Low Latency Routing in Space. In: HotNets '18 Proceedings of the 17th ACM Workshop on Hot Topics in Networks. (pp. pp. 85-91). ACM: New York, NY, USA. Green open access

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Abstract

SpaceX has filed plans with the US Federal Communications Committee (FCC) to build a constellation of 4,425 low Earth orbit communication satellites. It will use phased array antennas for up and downlinks and laser communication between satellites to provide global low-latency high bandwidth coverage. To understand the latency propertes of such a network, we built a simulator based on public details from the FCC filings. We evaluate how to use the laser links to provide a network, and look at the problem of routing on this network. We provide a preliminary evaluation of how well such a network can provide low-latency communications, and examine its multipath properties. We conclude that a network built in this manner can provide lower latency communications than any possible terrestrial optical fiber network for communications over distances greater than about 3000 km.

Type: Proceedings paper
Title: Delay is Not an Option: Low Latency Routing in Space
Event: ACM Hot Topics in Networks, 15 - 16 November 2018, Redmond, WA, USA
Location: Redmond, WA, USA
Dates: 15 November 2018 - 16 November 2018
ISBN-13: 978-1-4503-6120-0
Open access status: An open access version is available from UCL Discovery
DOI: 10.1145/3286062.3286075
Publisher version: https://doi.org/10.1145/3286062.3286075
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: http://discovery.ucl.ac.uk/id/eprint/10062262
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