| LEO | Low Earth Orbit |
| GEO | Geostationary Earth Orbit |
| MEO | Medium Earth Orbit |
| DHBP | Distributed hops-based back-pressure routing |
| SAGIN | Space-air-ground integrated network |
| DHD | Destination-hops-delay |
| ISL | Inter-satellite links |
| OSPF | Open Shortest Path First |
| LSN | LEO satellite network |
| DDR | Data delivery ratio |
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