| Interface | Description | 
|---|---|
| ITopologyListener | The user classes of ITopologyService should implement this interface. | 
| ITopologyService | This interface is used to define a service that 
  should implement. | 
| Class | Description | 
|---|---|
| BroadcastTree | This class represents a broadcast tree. | 
| Cluster | This class represents a cluster. | 
| ClusterDFS | This class represents a cluster DFS (Depth First Search). | 
| LRUHashMap<K,V> | This class represents a LRU (Least Recently Used) HashMap. | 
| OFMTopologyManager | Topology Manager Module. | 
| Topology | This class provides RESTful API for accessing topology information. | 
| TopologyInstance | A representation of a network topology. |