Anticipated DAD for Global Connectivity in Hybrid MANETs

Several schemes that provide the integration of MANET into external networks have been developed. These protocols are fundamentally based on the discovery of an Internet Gateway that supports the ad hoc routing functionalities as well as the dissemination of the IPv6 prefix information to enable stateless address auto-configuration in the mobile nodes. However, most of these schemes neglect the consequences of the DAD (Duplicate Address Detection) procedures that the devices should perform in order to verify the uniqueness of the self- configured IPv6 address. The aim of this paper is the analysis of the DAD technique in scenarios with multiple points of attachment under the global connectivity paradigm. Additionally, anticipated DAD is proposed in order to avoid significant delays associated to the timers that conventional DAD employs.