Data Residency for data in transit - services/procedures around traffic engineering at the L2/L3 layer for CA regions (nane1/2) and PoPs

TLDR;
determine if we can force packets to the in-country google owned backbone via traffic engineering or custom routing on top of BGP
Example
- https://services.google.com/fh/files/misc/googlecloud_european_commitments_whitepaper.pdf
- https://cloud.google.com/terms/data-residency
- https://github.com/GoogleCloudPlatform/pbmm-on-gcp-onboarding/blob/main/docs/google-cloud-security-controls.md#security-command-center---premium---compliance