# Internals

> Discovery, logging, and Go module conventions for etcd contributors.

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

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<!-- Local OINK section index for the upstream dev-internal document group. -->

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Section pages:

- [Discovery service protocol](/docs/etcd/dev-internal/discovery_protocol/): Discover other etcd members in a cluster bootstrap phase
- [Logging conventions](/docs/etcd/dev-internal/logging/): Logging level categories
- [Golang modules](/docs/etcd/dev-internal/modules/): Organization of the etcd project's golang modules