> For the complete documentation index, see [llms.txt](https://docs.dfc-standard.org/dfc-standard-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dfc-standard.org/dfc-standard-documentation/technical-specifications/architecture-representations.md).

# Architecture representations

Here we try to represent some of the design choices between phase 1 and phase 2:

* Single or multi-source
* Identification and authentication
* Data storage

[Phase 1](https://www.draw.io/?lightbox=1\&highlight=0000ff\&edit=_blank\&layers=1\&nav=1\&title=architecture%20DFC#Uhttps%3A%2F%2Fdrive.google.com%2Fuc%3Fid%3D1f1C_Inb7sOeufswQkv2nnpLgWsGbhW98%26export%3Ddownload)

![](/files/-MSgL-zxBydQ2waF41z4)

[Phase 2](https://www.draw.io/?lightbox=1\&highlight=0000ff\&edit=_blank\&layers=1\&nav=1\&page=1#G1f1C_Inb7sOeufswQkv2nnpLgWsGbhW98)

![](/files/-MSgLBBsv1jdb9i5SUsS)

![](/files/-Lhb__kN66oLqWQ3-SmD)