A combination of decreasing rocket payload costs and discovery of cutting-edge applications of satellites in low earth orbit has brought about a generation of “New Space” startups looking to cash-in on the opportunity. One such application is to provide low-latency internet to the most remote regions of the world. Companies have deployed thousands of, and are looking to deploy tens of thousands more, satellites to Low Earth Orbit. The low altitudes and wide expanse of these mega-constellations help keep latency to a minimum while providing internet coverage to regions that are inaccessible to terrestrial networks. However, the highly dynamic nature of these constellations presents the problem of internet packet routing, which is well addressed in conventional terrestrial networks. We show that the number of changes in topology from second to second can be in the order of a few hundreds and that each change takes 70–80 time slots to be reflected in forwarding tables of 90% of the network. As an alternative, we present a source routing solution coupled with a packet carried forwarding state that addresses all the above issues. We also provide a heuristic to computing network topology that can potentially speed up topology computation by 3×. Our experiments show that source routing is feasible with manageable overhead and is scalable to thousands of routing nodes.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Where is My Route? Enabling Source Routing in LEO Satellite Networks


    Contributors:


    Publication date :

    2024-06-24


    Size :

    1238151 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



    Dynamic source routing algorithm for LEO satellite networks

    Xuegui, S. / Kai, L. / Jun, Z. et al. | British Library Online Contents | 2006


    METHOD FOR ENABLING A ROUTE

    ALEKSIC MARIO / MAISENBACHER STEFAN | European Patent Office | 2022

    Free access

    Method for enabling a route

    ALEKSIC MARIO / MAISENBACHER STEFAN | European Patent Office | 2024

    Free access

    Resource-Considerate Data Routing Through Satellite Networks

    Lowe, Christopher J. / Macdonald, Malcolm | AIAA | 2017


    Maximum Persistence Routing in Satellite Constellation Networks

    Donner, Anton / Zamorano, Raul / Costache, Mihai | AIAA | 2004