Summary of S4-260122: License Proposal for DaCAS-2 Test Script
1. Introduction and Background
This contribution from Beijing Xiaomi Mobile Software Co., Ltd. addresses the licensing framework for the DaCAS-2 test script. The proposal builds upon the previous DaCAS-2 test script [S4-251827] and discussions from SA4#134 meeting. The document proposes standardized license text to be used by all contributors to the DaCAS-2 test script.
2. Main Technical Contributions
2.1 Proposed License Text
The document proposes a restrictive copyright and license framework with the following key characteristics:
- Copyright holder: Xiaomi Corporation (2026)
- Scope of permitted use: Exclusively limited to development and testing of DaCAS within 3GPP SA WG4
- Restrictions:
- All other uses strictly prohibited
- No patent license granted
- No license granted under any other intellectual property rights
- Liability disclaimer: Software provided "AS IS" with no warranties (express or implied) regarding accuracy, completeness, or sufficiency
- Limitation of liability: No liability for damages arising from software use
2.2 Multi-Contributor Framework
The document provides a template for updating the license when additional contributors join:
- Copyright expansion: Allows addition of multiple copyright holders (e.g., "Xiaomi Corporation and [XXX company]")
- Parallel updates: Contributor list to be updated in parallel with code changes
- Consistent terms: Same restrictive terms and liability disclaimers apply to all contributors collectively
3. Conclusion
The contribution seeks feedback from SA4 participants on the preliminary licensing terms outlined in Section 2.1. The proposed framework establishes a mechanism for maintaining an updated contributor list that evolves alongside code modifications as specified in Clause 2.2.