2 Oct 2026Routing
Request jurisdiction and provider selection
The decision record identifies the serving provider, country and policy permitting that location.
Notes for review and implementation
Seven notes answering buyer and reviewer questions. The notes can be checked against the catalogue.
01
All notes
Notes, newest first
28 Sep 2026Compliance
What Singapore's PDPA requires before a prompt crosses the border
The obligation is contractual rather than approval-based, and a signed clause does not guarantee residency.
24 Sep 2026Market
Why US in-region routing doesn't help an East Asian bank
Chinese models served from American data centres address a different processing-location requirement from East Asian in-region workloads.
19 Sep 2026Reliability
404 request refusals
Fail-closed routing refuses requests when no provider is eligible in the required jurisdiction.
15 Sep 2026Infrastructure
Same model, different border
DeepSeek on AWS and DeepSeek on Alibaba Cloud use the same weights but carry different legal positions. Combining them in one catalogue entry defeats the purpose.
10 Sep 2026Architecture
Tools are where residency can leak
The inference call is usually compliant. The boundary often breaks in web search, code execution, or a retrieval hop.
4 Sep 2026Platform
A cache across borders is a transfer you did not plan
Prefix reuse is the largest single cost lever in inference. It also moves data, so it belongs on the same side of the boundary as the rest of the request.
Routing
How the decision is made, and why the order matters more than the model choice.
Compliance
What the law requires before a prompt crosses a border, including transfer mechanisms.
Architecture
Where residency leaks in real pipelines: tools, caches and media stages.
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