XDD Developers Guide

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Documentation and Testing Workgroup > Documentation Priorities > XDD Developer's Guide


The XDD Developer's Guide is a practical introduction to the use of the minimum-data Cross-Enterprise Document Sharing standards and protocols (colloquially abbreviated to XDD) used to push documents between sources and recipients. The Developer's Guide explores the concepts behind XDD, the framework for deploying XDD-based document exchange, and the available references for developing, validating, and testing.

The Developer's Guide attempts to position the use of XDD, building on the foundations established in the XDD Specification and seating it within the larger environment of the Direct Project itself. The Guide is divided into the following sections: [*jlc: up for debate, certainly]


An inital orientation to XDD, the role it can play in the Direct Project, and the benefits in its implementation.


A discussion of the ways that you can use XDD within your development of a Source, Destination, or Health Information Services Provider, this section explains how XDD interacts with the other moving parts of the Direct Project.


An exploration of the XDD standard, the various tools available to support your development, and guides to testing the results.

Best Practices

Recommendations on preferred design techniques for using XDD to exchange the most useful and most fault-tolerant set of data possible given other situational constraints.


Reference inforamtion and specifications, as well as FAQs, a glossary of terms, and other information.