PreDA: Predicate Routing for DTN Architectures over MANET

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PreDA: Predicate Routing for DTN Architectures over MANET
—We consider a Delay Tolerant Network (DTN) whose users (nodes) are connected by an underlying Mobile Ad hoc Network (MANET) substrate. Users can declaratively express high-level policy constraints on how “content” should be routed. For example, content can be directed through an intermediary DTN node for the purposes of preprocessing, authentication, etc., or content from a malicious MANET node can be dropped. To support such content routing at the DTN level, we implement Predicate Routing [1] where high-level constraints of DTN nodes are mapped into low-level routing predicates within the MANET nodes. Our testbed [2] uses a Linux system architecture with User Mode Linux [3] to emulate every DTN node with a DTN Reference Implementation code [4]. In our initial architecture prototype, we use the On Demand Distance Vector (AODV) routing protocol at the MANET level. We use the network simulator ns-2 (nsemulation version) to simulate the wireless connectivity of both DTN and MANET n...
Flavio Esposito, Ibrahim Matta
Added 21 May 2010
Updated 21 May 2010
Type Conference
Year 2009
Authors Flavio Esposito, Ibrahim Matta
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