From 08.02. to 11.02.2009, the Dagstuhl Seminar 09071 ``Delay and Disruption-Tolerant Networking (DTN) II '' was held in Schloss Dagstuhl~--~Leibniz Center for Informatics. During the seminar, several participants presented their current research, and ongoing work and open problems were discussed. Abstracts of the presentations given during the seminar as well as abstracts of seminar results and ideas are put together in this paper. The first section describes the seminar topics and goals in general. Links to extended abstracts or full papers are provided, if available. DTN simulations mobility MANET delay-tolerant networking ad-hoc networking routing 1-8 Regular Paper Kevin Fall Kevin Fall Cecilia Mascolo Cecilia Mascolo Jörg Ott Jörg Ott Lars Wolf Lars Wolf 10.4230/DagSemProc.09071.1 Creative Commons Attribution 4.0 International license https://creativecommons.org/licenses/by/4.0/legalcode 2009-12-16