For example, there is an [knowledge layer proposal](https://wiki.covesa.global/x/cYI8B) made in the COVESA Data Architecture team that discusses the separation of concerns and interaction between knowledge, information and raw data layers as illustrated below. The Playground here could be used...
Gitolite is an access control layer on top of git. Here's an "executive summary": use a single unix user ("real" user) on the server provide access to many gitolite users they are not "real" users they do not get shell access control access to many git repositories read access con...