2.2 Technical & Delivery Definition - Core

Tier file - what this step includes at the Core tier (band L: business systems).

Included

Everything in Focused, plus:

• CMS comparison matrix - options considered, editorial and development experience, migration effort, total cost of ownership, recommendation
• Business-system integration mapping (CRM etc.) - what, why, and volatility
• Rendering strategy, personalisation, and authentication interactions defined per page type

Not Included (Upgrade Triggers)

• Multiple, volatile, or custom APIs → Full.
• Multi-property or multi-region architecture → Full.

Outputs

The CMS recommendation, integration map, architecture overview, and migration approach - landing in the Cornerstone's CMS Recommendation, Technical Specification, and Content Migration sections.