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docs/DRs/20100611_3_url_shortener.md

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 # URL shortener service — design review (DR)
 
+<!-- doc-meta:start -->
+| Field | Value |
+|---|---|
+| Author | Anton Afanasyeu |
+| Revision | R1 |
+| Creation date | 2026-06-11 |
+| Last modification date | 2026-06-11 |
+| Co-authored |  |
+| Severity | medium |
+| State | pending review |
+| Document type | DR |
+<!-- doc-meta:end -->
+
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+---
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+
 **Document type:** DR (Design Review)  
 **Source draft:** [docs/drafts/20100611_3_url_shortener.txt](../drafts/20100611_3_url_shortener.txt)  
 **Specification:** [docs/specs/20100611_3_url_shortener.md](../specs/20100611_3_url_shortener.md)  
@@ -15,6 +34,17 @@
 
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 ## Table of contents

docs/DRs/20100612_1_scaling.md

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 # Platform scaling and multi-environment architecture — design review (DR)
 
+<!-- doc-meta:start -->
+| Field | Value |
+|---|---|
+| Author | Anton Afanasyeu |
+| Revision | R1 |
+| Creation date | 2026-06-12 |
+| Last modification date | 2026-06-12 |
+| Co-authored |  |
+| Severity | medium |
+| State | pending review |
+| Document type | DR |
+<!-- doc-meta:end -->
+
+\newpage
+\newpage
+
+---
+
+
 **Document type:** DR (Design Review)  
 **Source draft:** [docs/drafts/20100612_1_scaling.txt](../drafts/20100612_1_scaling.txt)  
 **Specification:** [docs/specs/20100612_1_scaling.md](../specs/20100612_1_scaling.md)  
@@ -16,6 +35,19 @@
 
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+**Documentation index:** [README.md](../README.md)
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 ## Table of contents
@@ -30,11 +62,21 @@
   - [3.4 Comparison matrix](#34-comparison-matrix)
 - [4. DR decision — recommended path](#4-dr-decision-recommended-path)
 - [5. Current vs target diagrams](#5-current-vs-target-diagrams)
+  - [Today (single BE)](#today-single-be)
+  - [Target phase B (minimal split + HA web)](#target-phase-b-minimal-split-ha-web)
 - [6. Service split rationale](#6-service-split-rationale)
 - [7. Environment promotion model](#7-environment-promotion-model)
 - [8. RSSH and connection capacity](#8-rssh-and-connection-capacity)
+  - [Assumptions](#assumptions)
+  - [Estimates](#estimates)
 - [8b. Network bandwidth (DR)](#8b-network-bandwidth-dr)
+  - [Baseline risk (today)](#baseline-risk-today)
+  - [DR sizing decisions](#dr-sizing-decisions)
+  - [Planning numbers (single-site prod, until CDN)](#planning-numbers-single-site-prod-until-cdn)
 - [8c. Global availability and GEO segments (DR)](#8c-global-availability-and-geo-segments-dr)
+  - [Policy model (DR decision)](#policy-model-dr-decision)
+  - [Phasing](#phasing)
+  - [Example use cases](#example-use-cases)
 - [9. Future capabilities — priority weighting](#9-future-capabilities-priority-weighting)
 - [10. Simulation lab design](#10-simulation-lab-design)
 - [11. Cloud provider notes (GCP / Azure)](#11-cloud-provider-notes-gcp-azure)
@@ -46,9 +88,10 @@
 - [17. Remaining open items (PO)](#17-remaining-open-items-po)
 - [18. Suggestions (PO / dev discretion)](#18-suggestions-po-dev-discretion)
 - [19. Changelog](#19-changelog)
+- [Related docs](#related-docs)
 <!-- /toc -->
 
-**Documentation index:** [README.md](../README.md)
+**Documentation index:** [README.md](README.md)
 
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