摘要：Malicious and selfish behaviors represent a serious threat against routing in disruption tolerant networks. Due to the unique network characteristics, designing a misbehavior detection scheme in DTN is regarded as a great challenge. In this paper, we propose iTrust, a probabilistic misbehavior detection scheme, for secure DTN routing toward efficient trust establishment. Selfish node B receives the packets from node A but launches the black hole attack by refusing to forward the packets to the next hop receiver C. Since there may be no neighboring nodes at the moment that B meets C, the misbehavior cannot be detected due to lack of witness, which renders the monitoring-based misbehavior detection less. This research Proposal Further includes The concepts of contact schedules, contact capacity and Link metrics. In addition the proposed aigorithm C T P A B En facilitates encrcyption functionality based on the user needs.The number of users in the DTN is limited and can be scalable in the future.
