Abstract
Application relays can be used to reduce latency for end-to-end communication. We propose a novel mechanism called TIVER to discover the latency-reducing relays in a distributed and proactive way. We boil down the relay discovery problem into TIV detours (the edges that are part of relay paths) discovery in the delay space, since the relay path causes the triangle inequality violation (TIV) phenomenon. Network embedding techniques are then introduced to model the delay space and provide a heuristic method to predict TIV detours with low measurement overhead. Subsequently, TIVER mechanism is designed for any given destination to allow nodes to quickly choose appropriate latencyreducing relays. The simulation results show the effects and efficiency of TIVER.
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