| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.federation.protocol.proto | |
| org.apache.hadoop.hdfs.protocol.proto | |
| org.apache.hadoop.hdfs.protocolPB | Licensed to the Apache Software Foundation (ASF) under one
 or more contributor license agreements. | 
| org.apache.hadoop.hdfs.tools.federation | It includes the tools to manage the Router-based federation. | 
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