The objectives of the framework are to: NAFv4 Chapter 2 provides a methodology which includes how to set up an architecting environment, govern, manage, define and evaluate architectures.
The methodology has been developed from accepted best practice and standards, detailing the following: NAFv4 Chapter 3 defines architecture viewpoints which describe the content, concerns addressed, usage and representation.
To aid architects, these viewpoints are organized into a logical and consistent manner and presented as a “grid” similar to that used for the Zachman Framework.
An Architecture Viewpoint typically addresses a set of related concerns and is tailored for specific stakeholders.
Official site to download the latest version of NAF is available (here) or on the (NATO Portal).