Document Type thesis Author Name Sherwood, Nicholas URN etd-050505-142056 Title An IPsec Compatible Implementation of DBRA and IP-ABR Degree MS Department Electrical & Computer Engineering Advisors David Cyganski, Advisor John Orr, Committee Chair Brian King, Committee Chair Keywords satellite networks IPsec DBRA IP-ABR Date of Presentation/Defense 2005-04-22 Availability unrestricted
Satellites are some of the most difficult links to exploit in a Quality of Service (QoS) sensitive network, largely due to their high latency, variable-bandwidth and low-bandwidth nature. Central management of shared links has been shown to provide efficiency gains and enhanced QoS by effectively allocating resources according to reservations and dynamic resource availability. In a modern network, segregated by secure gateways and tunnels such as provided by IPsec, central management appears impossible to implement due to the barriers created between a global Dynamic Bandwidth Resource Allocation (DBRA) system and the mediators controlling the individual flows. This thesis explores and evaluates various through-IPsec communications techniques aimed at providing a satellite-to-network control channel, while maintaining data security for all communications involved.
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