> For the complete documentation index, see [llms.txt](https://saltmarble-sml.gitbook.io/sml_eng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://saltmarble-sml.gitbook.io/sml_eng/technology/ecosystem/service-diagram.md).

# Service diagram

The SML ecosystem will use an ERC-based public chain and a Klaytn-based service chain to improve game speed, gas cost, and fees, and a bridge chain to connect these two chains.

![](https://1902329108-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiCjlhTcut7pMcoipUKFi%2Fuploads%2Fi7Cr43Hv2fKWk3uv6Jlg%2Feng_08.jpg?alt=media\&token=17267679-9079-4c1d-895c-30e6045ca6aa)