Commercial Licensing
Data Diode Connector (DDC) offers flexible licensing options to meet the needs of businesses of all sizes. All versions share a unified, security-audited binary, with features and performance activated via a license key.
Each commercial license is tied to a specific set of servers or a single Kubernetes cluster. If you need to use it in multiple independent environments, you will need to purchase multiple licenses.
Free Version
Suitable for evaluation, development, testing, and non-critical business.
- Includes all core features
- Full protocol adaptation and security filtering
- Community support (GitHub Issues)
- Transfer rate limited to 32 KB/s
1-Year License
Ideal for project-based, short-term needs, or annual budget planning.
- Includes all Free Version features
- Removes rate limit, unlocking full performance
- One-year commercial use license
- Priority technical support and version updates during the subscription period
Perpetual License
A one-time investment for long-term, stable critical infrastructure.
- Includes all Free Version features
- Removes rate limit, unlocking full performance
- Perpetual commercial use license
- Optional annual technical support and update service
Feature Comparison
| Feature | Free Version | Commercial License |
|---|---|---|
| Core Engine | ||
| Rust High-Performance Transport | ✅ (Limited to 32KB/s) | ✅ (Unlimited) |
| 10Gbps Line-Rate Support | ❌ | ✅ |
| Flow Control Mechanism | ❌ | ✅ |
| Protocol Support | ||
| Kafka (Standard Protocol) | ✅ | ✅ |
| UDP / TCP | ✅ | ✅ |
| Custom Proprietary Protocol Adaptation | ❌ | ✅ (Contact for quote) |
| Security Filtering | ||
| All Filtering Features | ✅ | ✅ |
| Technical Support | ||
| Support Channel | GitHub Issues | Dedicated WeChat Support |
| Response Time | Best Effort | Priority Response |
Request a Trial
We offer enterprise users a 14-day full-featured free trial for Proof of Concept (POC) deployments.
Please send your project requirements to [email protected] to obtain a trial license.