# Learning

> Learning resources

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LLMS index: [llms.txt](/llms.txt)

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Section pages:

- [Data model](/docs/etcd/learning/data_model/): etcd data storage methodologies
- [etcd client design](/docs/etcd/learning/design-client/): Client architectural decisions & their implementation details
- [etcd learner design](/docs/etcd/learning/design-learner/): Mitigating common challenges with membership reconfiguration
- [etcd v3 authentication design](/docs/etcd/learning/design-auth-v3/): etcd v3 authentication
- [etcd API](/docs/etcd/learning/api/): etcd API central design overview
- [etcd persistent storage files](/docs/etcd/learning/persistent-storage-files/): Reference of the persistent storage format and files
- [etcd API guarantees](/docs/etcd/learning/api_guarantees/): API guarantees made by etcd
- [etcd versus other key-value stores](/docs/etcd/learning/why/): History and use of etcd & comparison with other tools
- [Glossary](/docs/etcd/learning/glossary/): Terms used in etcd documentation, command line, and source code