# SI-T02: Failure and recovery

Adrian Sutherland · Version 1.0 · Refreshed September 2026

© 2005–2026 Adrian Sutherland.
Source page: https://architectureportal.org/assets/systems-integration

Complete or link the relevant existing records. Mark unanswered questions as open.

## Scope and sequence

Identify the exchange, linked contract, accepted result and each point at which work can fail.

## Known and unknown

For each failure, state what is known and what must be established.

## Permitted recovery

Record lookup, repeat, correction, reconciliation and actions that require fresh authority.

## Notification and consumer recovery

How are unsent, duplicate, late or missing notifications found and repaired?

## People and service continuity

Who investigates, who owns the business work and how is cover arranged?

## Proposed checks

For each scenario, record setup, trigger, expected result and a place for observed results.

## Readiness and observations

Record agreed limits, permissions, retention, support, actual timings and unresolved matters.