Architectural Impacts And Net-Centric Opportunities Using Network-Based Crypto Devices
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1 Architectural Impacts And Net-Centric Opportunities Using Network-Based Crypto Devices Rob Andzik AMERGINT Technologies GSAW 2010 YOUR INNOVATIVE ADVANTAGE Page 1
2 Overview A New Telemetry & Command Crypto: KS-252 How will this impact ground system architectures? What benefits might we realize? Impact Of The Crypto On Current Architectures Implementation Opportunities Of The New Crypto Other Considerations YOUR INNOVATIVE ADVANTAGE Page 2
3 Current State Of Affairs Control Centers Contain Numerous Cables and Devices The Interface With The Crypto Drives Much Of This Complexity Cost Impacts Unique Serial Protocols Prevent Use Of Commodity COTS Solutions Complex & Expensive Software, Hardware & Cabling Required Patch Panels & Switches Necessary For High Availability Spare String YOUR INNOVATIVE ADVANTAGE Page 3
4 How The Crypto Impacts CONOPS Serial Data Transfer Is Inherently Deterministic Often A Requirement For Timestamps & Time-Critical Commanding Timestamps & Time-Release Are Handled On The Red-Side Combining Packet & Serial Communication Is Challenging Deterministic Timing Requires Added Latency At Several Points Serial-To-Packet: Must Accumulate A Full Packet Before Transfer Packet-To-Serial: Buffering Reduces Under Flows Non-Deterministic Packet Transfers Impact Timestamps IRIG/GPS Time YOUR INNOVATIVE ADVANTAGE Page 4
5 Impact Of A Crypto With Network I/O What Happens If We Switch To A Packet-Based Crypto? Can We Remove The Complex Nest Of Cables And Devices? Will The New Crypto Impact My CONOPS? What Risks And Challenges Will My Program Face? Enter The KS-252 IP-Based Transfer Of Telemetry e et & Command Data Support For Multiple Algorithms In A Single, One Rack Unit (1U) Box Supports Both Encrypt/Decrypt and Web-Based Control & Status How Can We Take Advantage Of This? Potential For Significant Cost Savings! The Crypto Itself Is Less Than 50% The Cost Dramatic Reduction In Cabling & Hardware Complexity Sparing & Pooling Become Practical And Cost Effective Potential For A Net-Centric Ground System Architecture Network-based Switching & Routing Eliminates Much Of The Need For Specialized Hardware The Crypto Could Become A Service On The Network YOUR INNOVATIVE ADVANTAGE Page 5
6 Packet Processing In A Perfect World IP-Based Crypto Dramatically Simplifies The Architecture All Interfaces Are Ethernet Actual Data Rate Only Impacts Latency At The RGF Ideally We Would Have: The Modem (Or Space Vehicle) Apply Timestamps To The Packets Timestamps Travel With The Packets Through The Crypto No Need For Custom Front-End Hardware Frame Synchronization & Command Processing Move To Software YOUR INNOVATIVE ADVANTAGE Page 6
7 Now For A Dose Of Reality TLM/CMD Requirements Allocated To Front-Ends Still Exist Synchronization, Barker Codes, Command Spacing, etc. The KS-252 Does Not Pass Timestamps Through With The Packets We Must Also Consider The Impact Of The Network WAN Jitter Can Vary Packet Delivery Time By Seconds The New Crypto Uses Raw UDP Packets For Data Transfer The AFSCN Is NOT (Yet) Net-Centric As A Result Some Red/Black Front-End Capabilities Are Still Required Red-Side Timestamps Are Difficult To Calculate Accurately YOUR INNOVATIVE ADVANTAGE Page 7
8 Modernized Hardware Architecture Current Architectures With The KS-252 The Hardware Architecture Changes 1U Form Factor Crypto Standard Network Switching & Cables Each KS-252 Can Perform Either Encrypt Or Decrypt Improves Device Pooling, Switching Etc Front-End Systems Can Become Software Applications Or Libraries NOTE: AFSCN Connectivity Still Requires Specialized Hardware YOUR INNOVATIVE ADVANTAGE Page 8
9 Path Forward Some Might Consider Wrapping The KS-252 With Serial Allows For Reuse Of Expensive Front-End Equipment In Reality This Adds Unnecessary Complexity IP-To-Serial Conversion Is Tricky Adds Additional Systems: Switches, Hardware, Software etc. Others Will Embrace The Net-Centric Possibilities Requires Hardware / Software / CONOPS Modifications Timestamps Must Be Solved For Existing Satellite Programs No Small Task, But Solutions Already Exist Consider Opportunities For Improvement Virtualization & Platform Independence Sparing & Pooling Of Resources Complete Software-Based Solutions High Performance Software-Based Front-Ends Exist Today YOUR INNOVATIVE ADVANTAGE Page 9
10 Summary KS 252 Testing Conducted To Date Packets To/From Serial Telemetry Conversion All Telemetry Algorithms Automated Telemetry Invert (No Control Needed) Accurate Telemetry Time Tagging Interoperability With Current/Legacy Telemetry Crypto Parallel Telemetry Processing for > 100 Mbps Packets To/From Ternary Command Conversion All Commanding Algorithms Binary/Ternary Commanding Interoperability With Current/Legacy Command Crypto 90% Special Thanks To: CPSG ViaSat Testing Conducted By: CPSG AMERGINT Questions? YOUR INNOVATIVE ADVANTAGE Page 10
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