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Collaboration and Interfaces

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Objective

Section titled “Objective”

Migration waves fail less often when handovers and decision rights are explicit. This page structures cross-team collaboration so planning, run operations, validation, and cutover remain synchronized.

Core Interface Layers

Section titled “Core Interface Layers”

Customer delivery interface

Coordinates business windows, release approvals, outage communication, and acceptance checkpoints.

Partner factory interface

Handles wave run operations, runbook operations, issue triage, and reporting rhythm.

Platform operations interface

Aligns landing zone constraints, IAM controls, networking requirements, and platform readiness.

Governance interface

Connects architecture, security, compliance, and release decision forums.

Interface Design Principles

Section titled “Interface Design Principles”
  • Single owner per decision gate: Avoid shared accountability at go/no-go points.
  • Time-bounded escalations: Each severity level has a clear owner and response timeline.
  • Evidence-first handovers: Handover requires documented checks, not verbal status only.
  • Two-speed communication: Tactical daily flow for squads and strategic weekly flow for leadership.
Section titled “Recommended RACI Scope”

Use a RACI matrix at minimum for these topics:

  • Wave scope approval and change requests.
  • Runbook sign-off and exception approval.
  • Cutover authorization and rollback trigger authority.
  • Incident communication to business stakeholders.
  • Post-wave quality review and corrective action ownership.

Interface Setup Steps

Section titled “Interface Setup Steps”
  1. Identify all delivery actors and assign a primary owner for each lifecycle stage.
  2. Define decision forums (daily operations, wave board, architecture/security board, executive steering).
  3. Establish escalation paths with severity definitions, handoff rules, and notification channels.
  4. Define communication artifacts (daily wave report, risk digest, cutover brief, postmortem template).
  5. Validate the interface model in a rehearsal wave and remove bottlenecks before scale.

Typical Failure Signals

Section titled “Typical Failure Signals”
  • Repeated delays at release decisions due to unclear ownership.
  • Parallel escalations to multiple channels with conflicting status.
  • Runbook checkpoints passed without verifiable evidence.
  • Business communication lagging behind technical incident progression.