Prompt

Design architecture to integrate legacy systems.

<legacy_systems>
{describe systems, age, and technologies}
</legacy_systems>

<integration_goals>
{what needs to be integrated and why}
</integration_goals>

<constraints>
- Can modify legacy: {yes/no}
- Downtime allowed: {describe}
- Data consistency: {requirements}
</constraints>

Design integration:
1. Integration patterns (ESB/API/Events)
2. Data synchronization approach
3. Authentication bridging
4. Error handling strategy
5. Gradual migration path
6. Rollback procedures

Address technical debt systematically.