| Package | Description | 
|---|---|
| org.apache.hadoop.yarn.server.router.webapp | Router WebApp package. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | DefaultRequestInterceptorRESTExtends the AbstractRequestInterceptorClient class and provides an
 implementation that simply forwards the client requests to the resource
 manager. | 
| class  | FederationInterceptorRESTExtends the  AbstractRESTRequestInterceptorclass and provides an
 implementation for federation of YARN RM and scaling an application across
 multiple YARN SubClusters. | 
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