# Package org.apache.ignite.spi.discovery

Contains APIs for topology manager SPI.

See: Description

Interface Summary
Interface | Description
--- | ---
DiscoveryMetricsProvider | Provides metrics to discovery SPI.
DiscoverySpi | Grid discovery SPI allows to discover remote nodes in grid.
DiscoverySpiCustomMessage | Message to send across ring.
DiscoverySpiDataExchange | Handler for initial data exchange between Ignite nodes.
DiscoverySpiListener | Listener for grid node discovery events.
DiscoverySpiNodeAuthenticator | Node authenticator.

Annotation Types Summary
Annotation Type | Description
--- | ---
DiscoverySpiHistorySupport | This annotation is for all implementations of `DiscoverySpi` that support topology snapshots history.
DiscoverySpiOrderSupport | This annotation is for all implementations of `DiscoverySpi` that support proper node ordering.

## Package org.apache.ignite.spi.discovery Description

Contains APIs for topology manager SPI.

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Ignite Fabric | : ver. 1.3.0-incubating
Release Date | : July 10 2015