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Voilà: Tail-Latency-Aware Fog Application Replicas Autoscaler

机译:voilà:尾随延迟感知雾应用副本复制品自动播放器

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Latency-sensitive fog computing applications may use replication both to scale their capacity and to place application instances as close as possible to their end users. In such geo-distributed environments, a good replica placement should maintain the tail network latency between end-user devices and their closest replica within acceptable bounds while avoiding overloaded replicas. When facing non-stationary workloads it is essential to dynamically adjust the number and locations of a fog application's replicas. We propose Voilà, a tail-Iatency-aware auto-scaler integrated in the Kubernetes orchestration system. Voila maintains a fine-grained view of the volumes of traffic generated from different user locations, and uses simple yet highly-effective procedures to maintain suitable application resources in terms of size and location.
机译:延迟敏感的雾计算应用程序可以使用复制来扩展其容量,并将应用程序实例放置到最终用户的尽可能靠近。在这种地理分布式环境中,良好的副本放置应在可接受的界限内维持最终用户设备和最近的副本之间的尾网络延迟,同时避免过载的副本。面对非静止工作负载时,必须动态调整雾应用程序副本的数量和位置。我们提出Voilà,尾部Ivent-Inveor自动缩放器集成在Kubernetes Orchestration系统中。 Voila维护了从不同用户位置产生的流量卷的细小视图,并使用简单但高效的程序,以便在大小和位置维护合适的应用资源。

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