Technical ApproachMulticast Key Distribution
Hierarchical tree approach
- Minimizes number of transmissions to rekey a branch or the whole tree - important for wireless networks
- Matches current military infrastructure
- Flexible to accommodate new command paradigms
Based on evolving standards drafts
- Wallner, Harder, and Agee IETF Drafts (1996, 7, & 8)
- NSA R23 research project with SPARTA developing new policy documents and drafts (due February 1999)