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Take your time, get it closer: content dissemination within mobile pedestrian crowds

机译：花点时间，拉近距离：在行人拥挤的人群中传播内容

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摘要

The explosion of traffic demands in the edge of the Internet, mostly by mobile users, is putting under pressure current networking infrastructures. This is particularly acute when huge amounts of users and active wireless devices gather in reduced geographical spaces, increasing the risk of exceeding planned capacity of deployed infrastructure. This trend motivates research on edge computing, and in particular, on mechanisms to offload or address locally part of the user injected traffic at the access infrastructure, thus reducing the need of Internet requests and retrievals. This paper concentrates on the ability of mobile crowds -and corresponding access networksto fulfill content requests originated within the mesh, with minimal intervention of the Internet infrastructure. Simple heuristics are revisited, proposed, discussed and evaluated to improve autonomous content discovery and dissemination within high-density, low-mobility crowds, by combining notions already explored for MANET routing: deliberate jittering and autonomous distance-based overlay pruning. Results over synthetic networks and real mobility traces indicate that these mechanisms improve efficiency and quality of content request discoveries, by reducing significantly collisions and increasing stability of discovered paths in dense pedestrian crowds.
机译：Internet边缘（主要是移动用户）的流量需求激增，使当前的网络基础结构面临压力。当大量用户和活动无线设备聚集在缩小的地理空间中时，这尤其严重，从而增加了超过已部署基础架构的计划容量的风险。这种趋势促使人们对边缘计算进行研究，尤其是对在访问基础架构上减轻或本地解决部分用户注入的流量的机制，从而减少了Internet请求和检索的需求。本文着重于移动人群的能力以及相应的接入网络，以最小的Internet基础设施来满足网状网络中发起的内容请求。通过结合已经探索的MANET路由概念：故意抖动和基于距离的自动覆盖修剪，对简单的启发式方法进行了重新研究，提出，讨论和评估，以改善在高密度，低移动性人群中的自主内容发现和传播。合成网络和真实移动性痕迹上的结果表明，这些机制通过显着减少碰撞并提高了密集行人人群中发现路径的稳定性，从而提高了内容请求发现的效率和质量。

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