scope:

Purpose.

This instruction establishes policy and responsibilities for the connection of information systems (ISs) (e.g., applications, enclaves, or outsourced processes) to the Defense Information System Network (DISN).

Additional policies governing other subnetworks of the DISN networks are covered in the following instructions:

Chairman of the Joint Chiefs of Staff Instruction (CJCSI) 6250.01, "Satellite Communications" (reference a).

CJCSI 6215.01, "Policy for Department of Defense Voice Networks" (reference b).

Policy on sensitive compartmented information (SCI) is covered in Director of Central Intelligence Directive (DCID) 6/3, "Protecting Sensitive Compartmented Information within Information Systems" (reference c).

This instruction does not cover connection policy to research, development, test, and evaluation networks such as the Defense Research and Engineering Network or Advanced Concept Technology Demonstration networks.¹

Applicability.

This instruction applies to the Joint Staff; combatant commands, Services, and Defense agencies (CC/S/As); and DOD field and joint activities, including DOD and Service Nonappropriated Fund Instrumentalities. This instruction also applies to non-DOD governmental DISN users and contractors in facilities that interconnect with the DISN.

¹ These networks must follow DISN connection and DOD cross domain processes and procedures if connecting to the DISN.