EdgePier: P2P-based Container Image Distribution in Edge Computing Environments
Soeren Becker, Florian Schmidt, Odej Kao

TL;DR
EdgePier is a decentralized, peer-to-peer container registry for edge computing that significantly reduces deployment times without relying on centralized infrastructure.
Contribution
We introduce EdgePier, a fully decentralized P2P registry for edge environments, reducing deployment latency and overhead compared to existing scalable registry solutions.
Findings
Provisioning times improved by up to 65%
Effective even with limited bandwidth to the cloud
No additional centralized components needed
Abstract
Edge and fog computing architectures utilize container technologies in order to offer a lightweight application deployment. Container images are stored in registry services and operated by orchestration platforms to download and start the respective applications on nodes of the infrastructure. During large application rollouts, the connection to the registry is prone to become a bottleneck, which results in longer provisioning times and deployment latencies. Previous work has mainly addressed this problem by proposing scalable registries, leveraging the BitTorrent protocol or distributed storage to host container images. However, for lightweight and dynamic edge environments the overhead of several dedicated components is not feasible in regard to its interference of the actual workload and is subject to failures due to the introduced complexity. In this paper we introduce a fully…
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