> For the complete documentation index, see [llms.txt](https://ttap-protocol.gitbook.io/ttap_protocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ttap-protocol.gitbook.io/ttap_protocol/technology/1-ttinolja-platform-construction-technology/1-ttinolja-service-layer.md).

# ①  Ttinolja Service Layer

Ttinolja's Service Layer is optimized for service and operation management by reflecting the know-how of the multi-year OTA platform. Each service is easy to operate and expand and is organized through organic links between components. In addition, a separate business AI-based rule setting engine is applied to recommend products tailored to each user's travel pattern and automatically distribute them according to their contribution..