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VPC Service Controls when two orgs share a vendor project

11 min read · Deep dive

Students asked for a plain-language map of ingress tags, restricted services, and dry-run modes. This brief answers that request with diagrams you can trace in the console during office hours.

Tuition reference: KRW 1,800,000

What is inside

Perimeter vs folder boundary cheat sheet
Dry-run logging interpretation lab
Sample exception requests with reviewer notes
Cross-org workflow callouts for partner teams
Quality standards checkpoints we mirror in audits
Escalation tree to moderators
Post-lab reflection prompts

Outcomes you can show

You can list three signals that a perimeter is too wide
You can draft a minimal exception request
You can pair dry-run findings with moderator questions

Responsible editor

Mina Cho

Google Cloud Instructor specializing in networking guardrails for cohort labs.

Participant notes

“Dry-run section saved me from proposing a perimeter that would have blocked Dataflow in the vendor project.”

Rina · Regional SaaS partner

“Dense, but the escalation tree matches how our moderators actually respond.”

Theo · 4/5 · Google

Brief FAQ

It is operational guidance; external reviewer programs are separate.