Communicating timeline when you don't know anything

So I'm writing this on behalf of a poor colleague, and also myself at times.

Situation: My colleague is being made to deploy something from scratch (container, infra, etc.) when this used to be done by the MLOps team. I told him that it's doable with some engineering help on the infra side, and he doesn't disagree, but he has no clue how he's supposed to communicate timelines back to the business when he has never done this before (not …

datascience deploy engineering etc infra mlops scratch something team timeline writing