A secure content network in space

Authors:
Craig Partridge;Robert Walsh;Matthew Gillen;Gregory Lauer;John Lowry;W. Timothy Strayer;Derrick Kong;David Levin;Joseph Loyall;Michael Paulitsch
Affiliations:
Raytheon BBN Technologies, Cambridge, MA, USA;Raytheon BBN Technologies, Cambridge, MA, USA;Raytheon BBN Technologies, Cambridge, MA, USA;Raytheon BBN Technologies, Cambridge, MA, USA;Raytheon BBN Technologies, Cambridge, MA, USA;Raytheon BBN Technologies, Cambridge, MA, USA;Raytheon BBN Technologies, Cambridge, MA, USA;Raytheon BBN Technologies, Cambridge, MA, USA;Raytheon BBN Technologies, Cambridge, MA, USA;EADS, Munich, Germany
Venue:
Proceedings of the seventh ACM international workshop on Challenged networks
Year:
2012

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Abstract

We present a content network architecture for a cluster of satellites flying in low Earth orbit. The cluster uses a dynamic wireless network to interconnect the satellites and has an intermittent link to the ground. Even though a cluster of satellites fly in formation, their relative positions can vary widely, and occasionally the cluster can disperse and regroup in order to avoid obstacles or to affect a better arrangement. The network, therefore, is a MANET with elements of a disruption tolerant network. Further, data security is a fundamental concern. Our approach is to layer a content network over the wireless network, supporting multiple qualities of service and multiple independent levels of security.