# Application Examples
Provide the source code of energy-saving application and traffic-engineering application for the NDTwin application developer's reference.

Canonical URL: https://www.ndtwin.org/docs/ndtwin-developer-manual/ndtwin-application/application-examples/

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## Energy-Saving App
![Status](https://img.shields.io/badge/status-active-success) ![Version](https://img.shields.io/badge/version-1.0.0-blue) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg?logo=apache&logoColor=white)](https://opensource.org/licenses/Apache-2.0)


The **Energy-Saving App** dynamically monitors link utilization and flow states to power down underutilized switches during off-peak hours, significantly reducing operational expenditure (OPEX) while maintaining the quality of experience (QoE) of user flows.

### Tech Stack
| Component | Specification |
| :--- | :--- |
| **Language** | Python |

[View Source Code →](https://github.com/ndtwin-lab/Energy-Saving-App)

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## Traffic-Engineering App
![Status](https://img.shields.io/badge/status-active-success) ![Version](https://img.shields.io/badge/version-1.0.0-blue) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg?logo=apache&logoColor=white)](https://opensource.org/licenses/Apache-2.0)


The **Traffic-Engineering App** reduces network congestion and optimizes bandwidth utilization of links in a network by performing dynamic ECMP load-balancing for every ECMP port group.

### Tech Stack
| Component | Specification |
| :--- | :--- |
| **Language** | C++ |
[View Source Code →](https://github.com/ndtwin-lab/Traffic-Engineering-App)

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> **Note**: For installation instructions and API documentation, please refer to the specific documents in the respective repositories.