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University of Auckland Auckland Satellite TCP/IP Traffic Simulator Home of the Satellite TCP/IP Traffic Simulator at the University of Auckland Menu Home Background Hardware Methodology Topology Results Baselines Geostationary or medium-earth-orbit satellite links? LEO simulation Videos People Research group School of Computer Science The Auckland Satellite TCP/IP Traffic Simulator Billions of people on earth take their Internet connectivity for granted. Fibre-optic submarine cables connect countries, cities and continents. But fibre isn’t an option for every service provider: Remote communities and those on the move, such as cruise ships and planes, rely on satellite Internet. But satellites mean long latencies and limited, expensive bandwidth, and performance is often not comparable to terrestrial service. So we want to make sure that we use the resource well. The purpose of our satellite TCP/IP traffic simulator project is to create a testbed with which we can evaluate configurations and innovative solutions to improve satellite link utilisation, performance and user experience. What are the questions we want to answer? The list is quite long, but our initial goals are: We’d like to know under which circumstances (link type – GEO or MEO, bandwidth, load, input queue size) various adverse effects such as TCP queue oscillation or standing queues occur. We’d like to know what input queue size represents the best compromise in different circumstances. We’d like to know how much improvement we can expect from devices peripheral to the link, such as performance-enhancing proxies and network coders. We’d like to know how best to parameterise such devices in the scenarios in which one might deploy them. We’d like to know how devices with optimised parameters behave when loads and/or flow size distributions change. That’s just a start, of course, and before we can answer any of these, the biggest question to solve is: How do you actually build, configure, and operate such a simulator? Visit us here to keep up with what we’re doing, how we’re doing it, and who we’re working with. Search Recent Posts Seminar slides and video 24 February 2022 Globecom 2019 postmortem IEEE Globecom postmortem Satellite panel session and lightning talk presentation at APNIC46 in Noumea Lei Qian wins best student paper award at APAN 2018 Recent Comments ugue001 on Seminar slides and video 24 February 2022 PTS Terbaik on Simulator recommissioned after upgrade PTS Terbaik on Seminar slides and video 24 February 2022 Archives February 2022 June 2020 June 2019 September 2018 June 2018 December 2017 October 2017 July 2017 Categories Uncategorized Meta Log in Entries RSS Comments RSS University of Auckland WordPress Service Proudly powered by WordPress | Theme: Misty Lake by Automattic . Accessibility | Copyright | Privacy | Disclaimer Skip to toolbar Log...