Global Information Grid

Global Information Grid
Name	Global Information Grid
Type	Information network architecture

Global Information Grid The Global Information Grid (GIG) is a framework for an integrated, end-to-end information environment designed to enable connectivity, information sharing, and decision superiority for United States national defense and allied operations. It links sensors, command centers, weapons platforms, and support facilities into a cohesive digital infrastructure to support planning, operations, logistics, and intelligence activities. The GIG underpins interactions among organizations such as the Department of Defense (United States), National Security Agency, United States Cyber Command, and allied programs including NATO interoperability initiatives and bilateral arrangements with partners like the United Kingdom and Australia.

Overview and Objectives

The principal objective of the GIG is to provide assured, timely information exchange among entities including United States European Command, United States Central Command, United States Pacific Command, Defense Intelligence Agency, and other components to support operations such as Operation Enduring Freedom, Operation Iraqi Freedom, and humanitarian missions like the response to Hurricane Katrina. The GIG aims to enable capabilities articulated in doctrines and publications from Joint Chiefs of Staff, United States Strategic Command, and programmatic guidance from the Office of the Secretary of Defense. It seeks to integrate systems produced by industry partners including Lockheed Martin, Northrop Grumman, Raytheon Technologies Corporation, Boeing, and General Dynamics to realize concepts found in architectures such as Net-Centric Warfare and Network-centric operations.

Architecture and Components

The architecture encompasses layers of transport, middleware, services, and endpoints linking platforms like Arleigh Burke-class destroyer, F-35 Lightning II, MQ-9 Reaper, and ground systems procured by Army Futures Command. Core components include satellite constellations from providers analogous to Defense Satellite Communications System and mission networks resembling elements of SIPRNet, NIPRNet, and the Joint Worldwide Intelligence Communications System. Supporting infrastructure references include secure data centers, edge computing nodes, cloud environments comparable to Commercial Cloud Services contracts, and standards organizations such as Institute of Electrical and Electronics Engineers and National Institute of Standards and Technology that influence protocol selection. Interoperability is achieved through frameworks parallel to Extensible Markup Language profiles, Internet Protocol, and service registries used by programs like System of Systems Common Operating Environment.

Operations and Services

Operational services provided through the GIG cover command and control functions exercised by entities such as United States Central Command and United States Transportation Command, intelligence dissemination by Central Intelligence Agency and National Geospatial-Intelligence Agency, secure video teleconferencing alongside organizations like Defense Information Systems Agency, and logistics tracking used by Defense Logistics Agency. The GIG enables mission planning tools deployed in campaigns like Operation Desert Storm and supports situational awareness through sensor-to-shooter chains involving systems demonstrated in Operation Anaconda. Enterprise services include identity management influenced by Common Access Card processes, directory services reflecting Lightweight Directory Access Protocol use, and quality-of-service constructs analogous to standards promulgated by International Telecommunication Union.

Security and Information Assurance

Information assurance within the GIG is guided by policies from National Institute of Standards and Technology publications, directives from Office of Management and Budget, and guidance related to Federal Information Security Modernization Act of 2014. Defensive operations are coordinated with United States Cyber Command, National Security Agency, and service cyber components to counter threats demonstrated in incidents involving groups like Fancy Bear and vulnerabilities exposed by disclosures such as those associated with Edward Snowden. Measures include encryption influenced by algorithms standardized by Federal Information Processing Standards, continuous monitoring akin to Security Operations Center practices, vulnerability management reflecting frameworks from Mitre Corporation like Common Vulnerabilities and Exposures, and resiliency planning comparable to Continuity of Operations Plan protocols.

Governance, Policy, and Funding

Governance spans offices and committees including the Under Secretary of Defense for Acquisition and Sustainment, Chief Information Officer of the Department of Defense, and budget authorities such as the Office of the Secretary of Defense (Comptroller). Policy instruments include directives, instructions, and acquisition strategies shaped by legislation like the Clinger–Cohen Act and budget processes carried out through the United States Congress appropriations committees and the Government Accountability Office. Funding vehicles have involved major acquisition programs and research efforts supported by agencies including the Defense Advanced Research Projects Agency and cooperative research with entities such as MITRE Corporation and university partners like Massachusetts Institute of Technology and Stanford University.

History and Development

Concepts that matured into the GIG trace to post-Cold War and early 21st-century initiatives emphasizing networked forces and information superiority advocated by figures and organizations including the Joint Chiefs of Staff, proponents of Revolution in Military Affairs, and early doctrinal experiments during Operation Allied Force. Programs and milestones include the fielding of tactical data links used in operations following Gulf War (1990–1991), the evolution of secure networks such as SIPRNet and NIPRNet, and modernization efforts tied to acquisition reforms after events like 9/11 and the operational demands of Iraq War (2003–2011). Ongoing transformation involves collaboration with commercial technology companies such as Amazon (company), Microsoft Corporation, and research initiatives funded by National Science Foundation to incorporate cloud, edge, and artificial intelligence capabilities into the evolving information environment.

Category:Information technology