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Planning Rollout Waves

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In this lesson, you will learn:

  • Why roll out in waves
  • How to order waves
  • SNWR’s four waves

🔁 Quick look back: Last time: Validating Production Connectivity Before Enabling Schedules. You learned how production connectivity was tested before schedules.

1 The Problem: Turning Everything On at Once Is Risky

If every schedule starts on the same night:

  • Any problem hits everything at once.
  • Failures pile up faster than you can fix them.

🎯 The problem: Turning everything on at once is risky.

👉 The fix: Roll out in waves, and check each wave before the next.

Flow of four waves.
Figure 1. SNWR’s four rollout waves.

2 Ordering waves

  • Start where you have the most confidence.
  • Keep network scans in their maintenance window.
  • Leave the newest pieces, like cloud and agents, for last.

3 After each wave

  • Failures reviewed.
  • Duplicates checked.
  • Counts compared.
  • Subscription units checked.
  • Go or pause for the next wave.

4 Project Clear View: How We Implemented It

📍 Situation: Production was ready.

🧭 Decision: Roll out in four waves, with a check after each.

🛠️ Steps we took:

  1. Planned Mumbai, London, network, then AWS and Finance.
  2. Wrote the after-wave checklist.
  3. Agreed with Hana that she decides go or pause after each wave.
  4. Booked the waves in the change calendar.

✅ What we verified:

  • Each wave has a date and a check.
  • Hana owns the go or pause decision.

📁 Evidence: The rollout wave plan.

5 Quick recap

  • Roll out in waves, not all at once.
  • Start where confidence is highest.
  • Check failures, duplicates, counts and units after each wave.
  • The client decides go or pause.

6 Check yourself

Think of your answer first. Then tap to check.

1 What was SNWR’s first wave? Show answer

Mumbai servers.

2 Why leave cloud and agents for last? Show answer

They’re the newest pieces.

3 Who decides go or pause? Show answer

Hana Kim.

Nice work! SNWR’s rollout is planned. 🎉
Next up: Go-Live Readiness Review

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