Local Area Networks (LANs) in Aircraft - FTP Directory Listing - FAA

5.4.2 Aircraft as a Node (MIP and MANET) 60
5.4.3 Multilevel Network Systems (RED-BLACK, VPN) 61
5.5 Airplane Routing and Autonomous Systems 62
5.6 Virtual Private Networks Enable Network Partitioning 66
5.7 Security Zones and Policy-Based Networking 69
6. RELATING SAFETY AND SECURITY FOR CERTIFICATION 73
6.1 Security Requirements of Airborne Networked Environments 74
6.1.1 Integrity 75
6.1.2 Availability 77
6.1.3 Authentication 78
6.1.4 Confidentiality 79
6.1.5 Nonrepudiation 79
6.2 Extending FAA Orders, Guidance, and Processes Into Vast Network Systems 79
6.3 Comparing Civilian Aircraft Safety and Federal Government Security Levels 83
6.3.1 Civil Aircraft Software Levels 83
6.3.2 Federal Government Security Classifications 85
6.3.3 Comparison of the Two Policy Systems 86
6.4 Biba Integrity Model and Bell-LaPadula Confidentiality Model
are Direct Analogs 87
6.5 Relating Safety Classification Levels to the CC 90
7. EXTENDING FAA CERTIFICATION TO AIRBORNE NETWORKS 93
7.1 Extending ARP 4754 Into Networked Environments 94
7.2 Extending DO-178B Into Networked Environments 96
8. CANDIDATE SAFETY AND SECURITY NETWORK SOLUTION 98
8.1 System Security Engineering Methodology 99
8.2 Applying the SSE Methodologies to Airborne Networks 102
8.3 Exemplar Airborne Network Architecture Solution 105
8.3.1 The VPN Encapsulation Method 108
8.3.2 Physical Security 114
8.3.3 Encapsulation Gateways 115
8.3.4 Packet Filter 116
8.3.5 Firewall 117
8.3.6 The ASBR Router 117
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