Three Approaches to Speed up Image Distribution in Cloud Native Era
summary
Describes Alibaba’s practical experience speeding up container image distribution at web scale by comparing three methods: P2P distribution using CNCF Dragonfly to reduce registry bandwidth and latency; using containerd’s remote filesystem snapshotter to access image content over the network without full distribution; and a hybrid approach that dynamically loads image data from remote to local storage based on runtime read/write access patterns. It explains which method fits different scenarios and the tradeoffs (notably network stability) for choosing among them.
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