PSD: One-to-Many Routing Protocol for Publish/Subscribe Applications in DTN

More and more applications appear in delay tolerant networks (DTN) with the popularity of mobile devices such as smart phones and PDAs. The one-to-many routing nature of Publish/Subscribe applications brings new challenges to DTN routing design. This paper proposes a one-to-many routing protocol (PSD) for Publish/Subscribe applications in DTN, which combines two one-to-one routing protocols of Spray&Wait and epidemic routing. Simulations confirm that PSD can achieve high delivery rate, low latency and low cost.

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