- [ ] Add cluster node tracking
- [ ] Create failover coordination

#### 6.3 Integration Points
- Integrate with `CIFSContext` for witness support
- Modify `SmbTransport` for failover handling
- Update `DfsResolver` for witness-aware resolution

---

## Implementation Dependencies

```mermaid
graph TD
    A[SMB3 Leases] --> B[Directory Leasing]
    A --> C[Persistent Handles]
    C --> D[Multi-Channel]

import jcifs.CIFSContext;
import jcifs.DfsReferralData;
import jcifs.DfsResolver;
import jcifs.SmbTransport;
import jcifs.internal.dfs.DfsReferralDataImpl;
import jcifs.internal.dfs.DfsReferralDataInternal;

/**
 * Caching DFS resolver implementation
 *
 *
 * <p>This class is intended for internal use.</p>
 */
public class DfsImpl implements DfsResolver {