Compliance & regulationsNetwork infrastructure
DISN
Defense Information Systems Network
Definition
The Defense Information Systems Network is the DoD enterprise network infrastructure providing global connectivity for defense communications, data, and applications. DISN supports classified and unclassified communications across all DoD components and mission partners.
DISN contracts support network infrastructure, telecommunications services, and connectivity solutions. Understanding DISN architecture and requirements helps contractors pursue defense networking opportunities. DISN modernization drives significant procurement for network equipment, services, and cybersecurity capabilities.
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