—In Low Earth Orbit (LEO) satellite constellation system, routing data from the source all the way to the destination constitutes a daunting challenge because LEO satellite constellation resources are spare and the high speed movement of LEO satellites results in a highly dynamic network topology. This situation limits the applicability of traditional routing approaches that rely on exchanging topology information upon change or setup of a connection. Consequently, in recent years, many routing algorithms and implementation strategies for satellite constellation networks with Inter Satellite Links (ISLs) have been proposed. In this article, we summarize and classify some of the most representative solutions according to their objectives, and discuss their advantages and disadvantages. Finally, with a look into the future, we present some of the new challenges and opportunities for LEO satellite constellations in general and routing protocols in particular.
Routing in IP/LEO Satellite Communication Systems: Past, Present and Future
Published 2016 in World Academy of Science, Engineering and Technology, International Journal of Electronics and Communication Engineering
ABSTRACT
PUBLICATION RECORD
- Publication year
2016
- Venue
World Academy of Science, Engineering and Technology, International Journal of Electronics and Communication Engineering
- Publication date
2016-08-22
- Fields of study
Computer Science, Engineering
- Identifiers
No identifiers available.
- External record
- Source metadata
Semantic Scholar
CITATION MAP
EXTRACTION MAP
CLAIMS
CONCEPTS
- advantages and disadvantages
The trade-offs used to compare the strengths and limitations of the surveyed routing solutions.
Aliases: pros and cons, strengths and limitations
- dynamic network topology
A network topology whose connectivity changes rapidly as satellites move relative to one another.
Aliases: highly dynamic topology
- future challenges and opportunities
Open issues and potential directions for routing in LEO satellite constellations discussed in the outlook.
Aliases: future challenges, future opportunities
- inter satellite links
Direct communication links between satellites that carry traffic within the constellation.
Aliases: ISLs
- ip/leo satellite communication systems
Communication systems that use Internet Protocol over Low Earth Orbit satellite constellations.
Aliases: IP over LEO satellite communication systems, IP/LEO satellite systems
- low earth orbit satellite constellation
A set of satellites operating in low Earth orbit and serving as the network substrate discussed in the article.
Aliases: LEO satellite constellation, LEO constellations
- routing algorithms
Routing schemes designed to forward traffic across the satellite network despite changing connectivity.
Aliases: routing schemes, routing approaches
REFERENCES
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CITED BY
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