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The Directed Flood Routing Framework (DFRF) for wireless sensor networks allows the rapid development of application specific routing protocols based on directed flooding. Flood-routing protocols are probabilistic methods that make only the best effort to route data packets. The presented family of protocols can route regular sized data packets via broadcast messages according to customizable routing policies that govern the way intermediate nodes rebroadcast messages. The framework automatically supports data packet aggregation, and allows in-network data packet filtering and alteration.