Cache Placement in an NDN Based LEO Satellite Network Constellation
Miguel Rodr\'iguez-P\'erez, Sergio Herrer\'ia-Alonso, Andr\'es, Su\'arez-Gonz\'alez, Jos\'e Carlos L\'opez-Ardao, Ra\'ul, Rodr\'iguez-Rubio

TL;DR
This paper explores cache placement strategies in an NDN-based LEO satellite network, demonstrating significant reductions in path lengths and improved load distribution with minimal caching nodes.
Contribution
It introduces a joint cache selection and forwarding approach tailored for NDN satellite networks, optimizing performance and resource utilization.
Findings
Path lengths reduced by up to one-third
Load distribution improved across the network
Effective with only a few caching nodes
Abstract
The efforts to replace the successful, albeit aging, TCP/IP Internet architecture with a better suited one have driving research interest to information-centric alternatives. The Named Data Networking (NDN) architecture is probably one of the main contenders to become the network layer of the future Internet thanks to its inbuilt support for mobility, in-network caching, security and, in general, for being better adapted to the needs of current network applications. At the same time, massive satellite constellations are currently being deployed in low Earth orbits (LEO) to provide a backend for network connectivity. It is expected that, very soon, these constellations will function as proper networks thanks to inter-satellite communication links. These new satellite networks will be able to benefit from their greenfield status and the new network architectures. In this paper we analyze…
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