I am a student from Vietnam with a technical background in networking, cloud computing, and system operations. I am particularly interested in how Internet infrastructure policies impact real-world deployment in developing regions.

I support the effort to develop structured guidelines for advancing Universal Acceptance (UA). However, I believe there is still a significant gap between high-level recommendations and practical implementation at the developer and system level.

From my observation, many systems in Vietnam especially in universities, small enterprises, and locally developed platforms — do not fully support internationalized domain names or email addresses. The challenge is not only awareness, but also the lack of practical integration guidance. Developers often lack tools and environments to properly test and validate UA compliance in real-world systems.

Therefore, I recommend that ICANN prioritize:

1. Developing hands-on technical toolkits and testing environments for UA compliance (e.g., validation scripts, CI/CD integration examples, and testing datasets).

2. Partnering with universities and technical communities in developing regions to integrate UA into curricula and developer training programs.

3. Providing localized documentation, implementation guides, and case studies to reduce barriers for non-English-speaking developer communities.

I also suggest prioritizing developer focused implementation support before expanding high-level policy messaging, as practical adoption remains the primary bottleneck in many regions.

These actions would help bridge the gap between policy and implementation, and make UA adoption more practical, scalable, and measurable across different regions.

I support the development of guidelines for advancing Universal Acceptance (UA), but highlight a key gap between high-level recommendations and practical implementation. Based on observations in Vietnam, many systems still lack support for internationalized domain names and email addresses due to limited technical guidance and testing capabilities.

I recommend prioritizing developer-focused solutions, including technical toolkits, testing environments, and integration into university training programs. Localized documentation and real-world case studies are also essential to support adoption in developing regions.

Focusing on practical implementation will help accelerate UA adoption and improve its impact across diverse Internet ecosystems.