Outline

• Network centric warfare environments.

• Peer Byzantine replication limitations.

• Research approach.

  • Scaling wide area intrusion tolerance replication via hierarchy
    • Local Byzantine replication within sites.
    • Fault tolerant replication on the wide area.
  • Client accountability.
    • Accountability graph.
    • Snapshots for fast regenerations.
  • Exploiting application semantics.

• Next steps.

• Technology transitioning.

• Summary.

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