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A variation on the idea of red/black separation, and a fundamental tenet of the GIG, is the concept of red edge/black core. Information created in classified enclaves (red edge) is encrypted and sent across the GIG as unclassified (black core) information. This concept allows all information to traverse the web through any available series of networks, regardless of encryption schemes employed.
Some daunting architectural challenges must be overcome in order to achieve red edge/black core. One issue has to do with embedded enclaves, which under the current architecture would require successive
APPENDIX C - COMMUNICATIONS
Page C-22
decryption and encryption across the GIG. This would increase latency and add potential points of failure to the path.
NSA oversees development of HAIPE devices and the HAIPE Interoperability Specification (HAIPIS). The HAIPE device will be installed between a classified (red) processing node or network and the unclassified (black) networks of the GIG. Ultimately, HAIPE devices will be integrated into all systems, pushing the red boundary as close to the classified source as possible. UA sensors will be an important source of such classified information (i.e. imagery, SIGINT, MASINT). Therefore, UA systems that create classified information must integrate HAIPE devices as they become available.
NEXT STEPS
Aside from written guidance and existing programs meant to bring UA communications into the net-centric vision, specific steps can be taken now, to eliminate obstructions to broad based information sharing and facilitate UA systems integration into the GIG. Some of the actions have been noted earlier in the text but are repeated here for emphasis and to provide a consolidated list. Failure to implement any of these will significantly limit a UA system’s ability to share information across the GIG.
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Embrace DoD approved net-centric products. Focus resources on moving toward GIG compliance rather than justifying waiver requests for legacy hardware and software.
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Develop Net-Ready Key Performance Parameters (NR-KPP).
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Perform GIG Capstone Requirements Document (GIG CRD) crosswalk as specified in the GIG CRD.
The following measures should be initiated as soon as possible to eliminate existing and programmed obstructions to information flow across the GIG.
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Implement IP transport layer in all UA systems, including legacy data links, to the maximum extent practical.
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Comply with the IPv6 mandate.
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Implement IP based network interfaces between sensors, control elements, and the GIG.
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Apply the Aircraft Systems Engineering Model to all new UA designs and modifications.
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Insure clear separation between key functional components: aircraft control, payload control, weapons employment, and situational awareness reporting.
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