Originally written in French. Translated by AI — the meaning has been preserved, not the prose.
Angle
A Product Manager defending an opportunity in committee answers for what they put forward, and they can only answer for what they have been able to reread: the border of a knowledge space is therefore the condition of its authority, not a poverty accepted for want of anything better. A note network without limits extends, with every link, what nobody answers for — the error it propagates, the gap it does not show, the arbitration it did not record — while a directory of thirty files makes each of those three things visible and signable. What the border takes away in possible connections, it gives back in the capacity to say what you know, what you do not know and what you have decided.
Synthesis
The objections made to the unlimited network come from three orders usually taken as separate subjects, and it is their convergence that makes the thesis.
The first is epistemic: a graph shows that everything hangs together without saying how, and an error circulating in it arrives at the end of the chain in the shape of an established fact. The second is technical: with no stop signal, a language model follows the links and fills its context with neighbouring material instead of dealing with the question asked. The third is about governance: contradictions, uncovered areas and decisions leave no trace in a corpus that speaks only of its subject.
Each leads to the same remedy, and that is what connects them: reduce the perimeter. That remedy is already the gesture of the job — investigating an opportunity means betting on a theme and setting the rest aside — and tooling has so far fought it rather than supported it. Once the border is set, the link to the outside gives way to the translated copy: information from elsewhere comes in under the form this perimeter knows how to handle. Development named this discipline long ago, and taking it over as it stands does away, in passing, with the translation between product division and technical division.
Tensions / contradictions
The thesis runs into a requirement set elsewhere: separate business memories are only worth something on condition of being connectable, failing which each team reconstitutes what its neighbour already knew. Bounding without linking therefore risks exactly what connectability was meant to avoid. The translated copy is a partial answer — it passes the information on without passing on the original context — but it moves the problem more than it closes it: a copy goes stale, and nothing in the receiving context signals it.
A second tension lies in the bet itself. A perimeter materializes a framing decision; if that framing is wrong, the setup protects the error instead of exposing it, since what would have revealed it is precisely what was set aside.
Questions
- At what moment, and on what signal, should a bounded context reopen its border to reimport what has changed outside?
- What is the cumulative cost of translated copies when several dozen bounded contexts coexist in the same organization?