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In tactical environments, mobility has a significant impact on the performance such as handover delay. In this paper, we design and implement an integrated tactical mobility testbed that consists of (1) host identify protocol module for secure initial registration, (2) Proxy Mobile IPv6-based distributed mobility management module for infrastructure-based mobility cases, and (3) delay/disruption tolerant networking module for opportunistic mobility cases. The implementation and experimental results demonstrate that the integrated testbed can be used to consider diverse tactical mobility scenarios and to evaluate the handover performance.

Distributed mobility management (DMM) is currently being researched and standardized in academia and standardization development organizations for the purpose of overcoming the major issues of existing centralized mobility management. The most recent DMM protocols are being redesigned with regard to the control and data plane separation concept. However, at present, there is no solution for supporting IP multicast listeners in such new DMM environments. In this paper, we review ongoing academic research works, standardization activities and propose an IP multicast mobility design for the DMM environment using the control and data plane concept.