## Uses of Interface
org.apache.storm.networktopography.DNSToSwitchMapping

- Packages that use DNSToSwitchMapping
  Package | Description
  --- | ---
  org.apache.storm.networktopography |
  org.apache.storm.testing |

- - ### Uses of DNSToSwitchMapping in org.apache.storm.networktopography

    Classes in org.apache.storm.networktopography that implement DNSToSwitchMapping
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `AbstractDNSToSwitchMapping` | This is a base class for DNS to Switch mappings.
    `class` | `DefaultRackDNSToSwitchMapping` | This class implements the `DNSToSwitchMapping` interface It returns the DEFAULT_RACK for every host.

  - ### Uses of DNSToSwitchMapping in org.apache.storm.testing

    Classes in org.apache.storm.testing that implement DNSToSwitchMapping
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `AlternateRackDNSToSwitchMapping` | This class implements the `DNSToSwitchMapping` interface It alternates bewteen RACK1 and RACK2 for the hosts.