Supported by the National High Technology Research and Development Programme of China (No. 2007AA01Z429, 2007AA01Z405 ) and the National Natural Science Foundation of China (No. 60633020, 60702059, 60872041 ).
This paper presents a new graph-based single-copy routmg method m delay tolerant networks (DTN). With time goes on in the networks, a DTN connectivity graph is constituted with mobility of nodes and communication, a...