The DDRP protocol [20,21] uses overheard data transmissions for route learning and it requires each data packet to carry an option recording its distance to target sink node from the current packet sender, which can assist the route learning.
Ma, "DDRP: An efficient data-driven routing protocol for wireless sensor networks with mobile sinks," International Journal of Communication Systems, vol.
DoD established DDRP
in 1981 to deter members from using prohibitive drugs which negatively impact the unique hazardous conditions associated with military work.
Operated by Turkmenistan Red Crescent Society, the Drug Demand Reduction Program (DDRP
), funded by the Department of State (INL), has been operating in the country since August 2008.
In August 2008, a Drug Demand Reduction Program (DDRP
), funded by the Department of State (INL), was launched by the Turkmenistan Red Crescent.
USAID worked to reduce demand for illegal drugs by supporting work with vulnerable populations through its five-year Drug Demand Reduction Program (DDRP
) that was completed this September 30, 2007.
USAID's Drug Demand Reduction Project (DDRP
) continues to work at key points along drug trafficking routes to prevent at-risk young people from becoming injecting drug users.
USAID has a Drug Demand Reduction Program (DDRP
) in the Fergana Valley (Osh and Jalal-Abad) implemented by the Open Society Institute Assistance Foundation.