04 Feature analysis

This page contains an overview of features that are currently present in one or both of the frameworks, plus features that we would like to add.

.NET version

Feature	Implementation in DD4T	Implementation in DXA	Preferred solution	Discussion
ViewModels	Attribute-driven Possible to add your own attributes Pages + ComponentPresentations Two-step approach (1. deserialize into page/cp, 2. map properties to strongly typed model)	Attribute-driven Not possible to add your own attributes Properties find matching fields in an embedded field ComponentPresentations only Two-step approach	To be decided
Caching	Open, extensible Event-based and time-based invalidation	Closed Time-based expiration	DD4T?	We need an overall caching layer for the entire microservice (because SDL doesn't offer this at all) Enterprises want to decide on a caching solution themselves
Controllers			To be decided
Navigation			DXA?
Labels			?
Preview		Not implemented	DD4T
XPM	Linked to ViewModels Helper called from views to render tags	View output is loaded in XML document and manipulated with XPath	DD4T	Faster, no requirement to have well-formed view output