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10/03/05 Johan Muskens ( TU/e Computer Science, System Architecture and Networking.

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Presentation on theme: "10/03/05 Johan Muskens ( TU/e Computer Science, System Architecture and Networking."— Presentation transcript:

1 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 1 Johan MuskensMichel Chaudron J.Muskens@tue.nlM.R.V.Chaudron@tue.nl Trust4All - Completing the Trilogy - 2001200320052007

2 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 2 Outline Background – Robocop – Space4U – Trust4All Motivation Trust4All Initial Ideas

3 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 3 – Define an open, component-based framework for the middle-ware layer in high-volume consumer devices (robustness/reliability, upgrading/extension, and trading) non – proprietary extendable Goal

4 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 4 Problem Domain

5 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 5 Scope External World  May be connected Robocop Device  Single Device Middleware Applications...App 2App 1App N... RC 2RC 1 Robocop Runtime Environment OS, Network & Drivers Device Hardware  OS + HW = Platform Middleware  Robocop scope in red Robocop Runtime Environment RC 2 RC 1...

6 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 6 Highlights Robocop Component Resource Model Simulation Model Documentation Executable Component Functional Model Source Code … Service 1 Infrastructure Runtime Environment IDL compiler Download Resource Management Predictable assembly based on models

7 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 7 – Extend and validate the Architecture Fault Management Power Management Terminal Management Goal

8 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 8 – Fault management – Power management – (Remote) Integrity Management – Support for Real Time Components – Visualization Highlights

9 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 9 – Invent techniques for the middleware for ensuring the proper working of systems whose software is dynamically extended and upgraded using components provided by a number of different parties. Goal

10 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 10 Outline Background – Robocop – Space4U – Trust4All Motivation Trust4All Initial Ideas

11 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 11 What we have / What we want We have: We want: Robust & Reliable Operation of closed system Secure communication Robust & Reliable & Secure / Safe Operation of open system Secure communication

12 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 12 Example Scenario A White components are provided by OCE and provide the core functionality of the device Red component are provided by third party and provide custom functionality for a specific user / client. Goal: Core functionality of the copier must operate robust, reliable, (and secure) even though not all the software on the device is trusted.

13 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 13 Example Scenario B Secure connection to corporate database using VPN White components are provided by Nokia and provide the core functionality of the device Blue and Red Components are provided by a third party and they are used to setup a VPN connection for a specific network infrastructure Goal: Establish a certain level of trust in the VPN connection Keep robust and reliable operation of the core phone functionality

14 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 14 Scenario C HOME X HOME Y Setting: - In home situation. - Multiple devices providing services - Service discovery Goal: Secure access to the services Is this solved by existing technologies? Yes and No

15 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 15 Scenario D Situation: - We have video surveillance camera - Media Renderer device capable of playing several media- formats -The device becomes out-dated due to out-dated decoder - Hardware is sufficient - New decoder components are provided by a third party Goal: -Upgrade the device (extend life-time) by allowing the third party components without jeopardizing - Robustness - Reliability - Security

16 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 16 Abstract from these examples Common theme – Establish confidence in reliable, robust and secure operation of a (dynamically changing system) system build out of components provided by multiple different parties.

17 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 17 Outline Background – Robocop – Space4U – Trust4All Motivation Trust4All Initial Ideas

18 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 18 Trust Model is Based on Different Aspects

19 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 19 Trust Model (Metrics / Mechanisms /...)

20 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 20 Maintain Integrity of a Software Configuration Open system Arbitrary Feature addition  Trusted Open system Trusted Feature addition Failed systemTrusted system Open system Arbitrary Feature addition  Trusted Open system Trusted Feature addition Failed systemTrusted system

21 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 21 Dynamically composed software using components of multiple different parties Models describing the current software configuration of a device. Based on these models: Diagnosis and Repair Detect mismatch in styles Support for extra functional properties Support for security Visualize Evolution Design flaws Composition of: -Robustness -Reliability -Security Model Based Diagnosis

22 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 22 Expected Emphasis for Integrity Maintenance Model based diagnosis Testing Run-timeDesign time TU/e

23 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 23 Reasoning about Real Time Aspects In Space4U we worked on prediction In Trust4All – Use Prediction for Acceptation – Suggestions for Improvement of Real Time behavior – Enforcement – Predictable assembly of other properties, using the same scheme (Reliability).

24 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 24 Reasoning about Security ? Driver ?.... ?

25 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 25 Reasoning about Security Observation – Composition of a number of secure Services can result in an insecure system. Initial Ideas – Services come equipped with Suitable configuration patterns Robustness, Reliability, and Security needs Assessment schemes – Map required Trust profile on available components Check for sufficient support by Service implementations

26 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 26 Visualization Visualization can aid in assessment of quality properties. – Metric View Visualization can aid in detection of Trust problems – Based on structure All trusted Mixed

27 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 27 Follow the Adventures..... http://www.win.tue.nl/san/projects/trust4all/

28 10/03/05 Johan Muskens (email: j.muskens@tue.nl http://www.win.tue.nl/~johan)j.muskens@tue.nl TU/e Computer Science, System Architecture and Networking 28 I Expect Hard work.... and a lot of fun !

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