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arXiv · 2111.12002

Armada: A Robust Latency-Sensitive Edge Cloud in Heterogeneous Edge-Dense Environments

Lei Huang·Zhiying Liang·Nikhil Sreekumar·Sumanth Kaushik Vishwanath·Cody Perakslis·Abhishek Chandra·Jon Weissman
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Abstract

Edge computing has enabled a large set of emerging edge applications by exploiting data proximity and offloading latency-sensitive and computation-intensive workloads to nearby edge servers. However, supporting edge application users at scale in wide-area environments poses challenges due to limited point-of-presence edge sites and constrained elasticity. In this paper, we introduce Armada: a densely-distributed edge cloud infrastructure that explores the use of dedicated and volunteer resources to serve geo-distributed users in heterogeneous environments. We describe the lightweight Armada architecture and optimization techniques including performance-aware edge selection, auto-scaling and load balancing on the edge, fault tolerance, and in-situ data access. We evaluate Armada in both real-world volunteer environments and emulated platforms to show how common edge applications, namely real-time object detection and face recognition, can be easily deployed on Armada serving distributed users at scale with low latency.

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Lei Huang, Zhiying Liang, Nikhil Sreekumar, Sumanth Kaushik Vishwanath, Cody Perakslis, Abhishek Chandra, Jon Weissman. 2021-11-23. Armada: A Robust Latency-Sensitive Edge Cloud in Heterogeneous Edge-Dense Environments. https://arxiv.org/abs/2111.12002

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