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In this paper, we aim to present the fundamental properties of a community-driven adaptive P2P streaming scheme. We show that if the participants in a community network agree to not only share their bandwidth, but also their computing resources according to the design principles mentioned here, then mobile and heterogeneous devices can be accommodated in the P2P paradigm ensuring adequate resource utilization, with respect to resilience to peer dynamics. We present simple design principles for a multimodal P2P system considering available bandwidth, computing power, and delay to build the video overlays. Some evaluation results supporting our design principles are also presented.