Page Comparison

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Feature	Implementation in DD4T	Implementation in DXA	Preferred solution	Discussion
ViewModels					Caching			Attribute driven Straight deserialization in STMs n:m models possible Extensible	Two-step approach Support for semantics	DD4T	Might be an option to bring semantics into the databind framework. In any case, the attribute set must be supported.
Caching	Fully extensible Support for EHCache and Infinispan Event driven (JMS) and time based Dependency invalidation mechanism	Relies on DD4T provider cache No further caching mechanisms found	DD4T	A form of output caching may be needed. This issue is based on a couple of DXA implementations trying to go live, but having had performance issues.
Controllers			TBD
Navigation	Not support for OOTB navigation					DXA	It would be great if this could be modularized, if not already done.
Labels	No OOTB support for Labels					PreviewDXA	It would be great if this could be modularized, if not already done.
Preview	DD4T support Session Preview OOTB, bypassing caching.		TBD
XPM	Native XPM support	Native XPM support	TBD
Configuration	Spring based XML	Code config	DD4T	Although code based configuration is cleaner, many users prefer the XML based version to make quick edits
Views	JSP views	JSP Views	TBD

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