elasticsearch/docs/reference/elasticsearch-plugins/discovery-plugins.md
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Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
2025-02-27 17:56:14 +01:00

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---
mapped_pages:
- https://www.elastic.co/guide/en/elasticsearch/plugins/current/discovery.html
---
# Discovery plugins [discovery]
Discovery plugins extend Elasticsearch by adding new seed hosts providers that can be used to extend the [cluster formation module](docs-content://deploy-manage/distributed-architecture/discovery-cluster-formation.md).
## Core discovery plugins [_core_discovery_plugins]
The core discovery plugins are:
[EC2 discovery](/reference/elasticsearch-plugins/discovery-ec2.md)
: The EC2 discovery plugin uses the [AWS API](https://github.com/aws/aws-sdk-java) to identify the addresses of seed hosts.
[Azure Classic discovery](/reference/elasticsearch-plugins/discovery-azure-classic.md)
: The Azure Classic discovery plugin uses the Azure Classic API to identify the addresses of seed hosts.
[GCE discovery](/reference/elasticsearch-plugins/discovery-gce.md)
: The Google Compute Engine discovery plugin uses the GCE API to identify the addresses of seed hosts.