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Cloud Repatriation

Public Cloud Repatriation Field Manual

The exact playbook we use to move B2B SaaS workloads off public cloud to Ultiblob in a single weekend window. Architecture diagrams, runbook, line-item TCO worksheet, rollback paths.

18 pages· Field manual· VP Engineering, CTO, FinOps

What's inside

Hyperscaler bills doubled in three years for most B2B SaaS, then doubled again on egress. The math now favors private cloud for steady-state workloads — but the migration has to land in a single window or it never lands at all. This field manual documents the exact pattern Ultiblob engineers run for repatriation engagements: pre-flight inventory, parallel build, cut-over window, rollback path, and the line-item TCO worksheet we hand to your CFO.

Table of contents

  • Pre-flight: workload inventory, dependency graph, hidden-cost audit
  • Parallel build: private cloud topology, identity, networking, storage
  • Data sync window: change-data-capture vs snapshot-and-replay tradeoffs
  • Cut-over runbook: 4-hour window template, validation checkpoints
  • Rollback path: DNS-level and IP-level reversion patterns
  • TCO worksheet (Notion + CSV): your public-cloud bill in, side-by-side proposal out

Pairs well with

Private Cloud
Private Cloud TCO Worksheet
Editable spreadsheet (Notion-shareable) that takes your public cloud bill and produces a side-by-side Ultiblob proposal. Same math we run for free TCO assessments.
Azure Local
Azure Local Buyer's Guide — 2026
Hardware sizing, AKS-on-Local design patterns, Arc/Entra integration, total deployment cost across 4-node, 8-node, and 16-node clusters. Vendor comparison (Dell, HPE, Lenovo).
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