| SPI Name | Description | 
|---|---|
| ConfigurationRepository | Config repository | 
| Implementation Class | Description | 
|---|---|
| CuratorZookeeperRepository | ZooKeeper config repository | 
| EtcdRepository | etcd config repository | 
| NacosRepository | Nacos config repository | 
| ApolloRepository | Apollo config repository | 
| SPI Name | Description | 
|---|---|
| RegistryRepository | Registry repository | 
| Implementation Class | Description | 
|---|---|
| CuratorZookeeperRepository | ZooKeeper registry repository | 
| EtcdRepository | etcd registry repository | 
| SPI Name | Description | 
|---|---|
| RootInvokeHook | Used to trace request root | 
| Implementation Class | Description | 
|---|---|
| OpenTracingRootInvokeHook | Use OpenTracing protocol to trace request root |