a risk-evaluation assisted system for service selection · time for risk evaluation 1 10 100 1000...
TRANSCRIPT
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A Risk-Evaluation Assisted System for Service Selection
Ennan Zhai and Liang Gu
{firstname.lastname}@yale.edu
Yale University
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Service Oriented Architecture
Custom Built App
COTS Packages
Datasets
External Services
Low-level Systems
Developer
Service1 Service2
Service Bus
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Custom Built App
COTS Packages
Datasets
External Services
Low-level Systems
Service1 Service2
Service Bus
Unexpected Risks
Developer
![Page 4: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/4.jpg)
Custom Built App
COTS Packages
Datasets
External Services
Low-level Systems
Service1 Service2
Service Bus
Developer
Unexpected Risks
![Page 5: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/5.jpg)
Example
Video App
![Page 6: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/6.jpg)
Example
Video App
S3 Azure
Crypt Lib
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Example
Video App
Encoding
S3 Azure
Encoding Crypt Lib
![Page 8: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/8.jpg)
Example
Video App
Encoding
S3 Azure
Encoding Crypt Lib
Query Query
![Page 9: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/9.jpg)
Example
Video App
Encoding
S3 Azure
Encoding Crypt Lib
Query Query
![Page 10: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/10.jpg)
Example
Video App
Encoding
S3 Azure
Encoding Crypt Lib
Query Query
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What leads to the problem?
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What leads to the problem?
• Lack of systematic approach to avoid these bugs.
• No service provider is wiling to share the information.
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What leads to the problem?
• Lack of systematic approach to avoid these bugs.
• No service provider is wiling to share the information.
![Page 14: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/14.jpg)
Target
• Can we reduce such risk before the service selection of application developers?
• No service provider is wiling to share the information.
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Solution: Risk-Based Service Selection
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• Select services based on requirements.
• At-best effort to avoid potential bugs within services.
• Do not leak information of service providers.
Solution: Risk-Based Service Selection
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• Select services based on requirements.
• At-best effort to avoid potential bugs within services.
• Do not leak information of service providers.
Solution: Risk-Based Service Selection
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• Select services based on requirements.
• At-best effort to avoid potential bugs within services.
• Do not leak information of service providers.
Solution: Risk-Based Service Selection
![Page 19: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/19.jpg)
• Motivating Example
• REaaS Design
• Evaluation
Road-Map
![Page 20: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/20.jpg)
• Motivating Example
• REaaS Design
• Evaluation
Road-Map
![Page 21: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/21.jpg)
Motivating Example
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App Developer
Service A Service B Service C
Motivating Example
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App Developer
Service A Service B Service C
Select a service without overflow bugs
Motivating Example
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App Developer
Service A Service B Service C
ESaaS
Motivating Example
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App Developer
Service A Service B Service C
ESaaSService Score
Service B 0.1
Service C 0.8
Service A 1.3
Motivating Example
![Page 26: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/26.jpg)
• Motivating Example
• REaaS Design
• Evaluation
Road-Map
![Page 27: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/27.jpg)
• Motivating Example
• REaaS Design
• Evaluation
Road-Map
![Page 28: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/28.jpg)
App Developer
Service A Service B Service C
ESaaS
REaaS Workflow
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App Developer
Service A Service B Service C
ESaaS
Step1: Service Registration
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App Developer
Service A Service B Service C
ESaaS
Step1: Service Registration
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App Developer
Service A Service B Service C
ESaaS
Step2: Requirement Submission
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App Developer
Service A Service B Service C
ESaaSService Score
Service B 0.1
Service C 0.8
Service A 1.3
Step3: Risk Evaluation
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Step1: Service Registration
• We developed a tool automatically getting dependency.
• Running on service side and very fast.
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Step1: Service Registration
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Step1: Service Registration
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Step2: Requirement Submission
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Step2: Requirement Submission
• Requirements include:- availability - integrity- confidentiality
• The options follow CVSS (an open bug DB)
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Step3: Risk Evaluation
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Step3: Risk Evaluation
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Step3: Risk Evaluation
Risk score of service i
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Step3: Risk Evaluation
Different bugs’ impact under different objects
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Step3: Risk Evaluation
Different bugs’ impact under different objects
Gotten from CVSS + CVE
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Step3: Risk Evaluation
Different bugs’ impact under different objects
Gotten from CVSS + CVE
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Trust?
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Trust?
App Developer
Service A Service B Service C
ESaaS
![Page 46: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/46.jpg)
Trust?
App Developer
Service A Service B Service C
ESaaS
?
?
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TPM-Based REaaS
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TPM-Based REaaS
App Developer
Service A Service B Service C
ESaaS
![Page 49: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/49.jpg)
TPM-Based REaaS
App Developer
Service A Service B Service C
ESaaS
§=hashcode(actions)
§§
![Page 50: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/50.jpg)
TPM-Based REaaS
App Developer
Service A Service B Service C
ESaaS
![Page 51: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/51.jpg)
TPM-Based REaaS
App Developer
Service A Service B Service C
ESaaS§
![Page 52: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/52.jpg)
• Motivating Example
• REaaS Design
• Evaluation
Road-Map
![Page 53: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/53.jpg)
• Motivating Example
• REaaS Design
• Evaluation
Road-Map
![Page 54: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/54.jpg)
Case Study
MySQL PostgreSQL Riak MongoDB
# of packages 588 736 103 108
Risk score 8 7 4 2
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Performance Evaluation
• One Dell XPS14 laptop - 2.8GHz 4-Core Intel Xeon CPU- 16GB memory
• Public dataset with N packages- N = 10, 100, 1000, and 10000
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Time for Dependency Collection
1
10
100
1000
10 100 1000 10000
Run
ning
tim
e(s
econ
ds)
# of packages within a service
no TPMWith TPM
![Page 57: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/57.jpg)
Time for Risk Evaluation
1 10
100 1000
10000 100000 1e+06
10 100 1000 10000
Run
ning
tim
e(s
econ
ds)
# of packages within a service
no TPMWith TPM
![Page 58: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/58.jpg)
Conclusion
• The first-step towards practical risk-based service selection approach.
• TPM-based approach to prevent privacy leakage.
• A realistic case study and performance evaluation.
![Page 59: A Risk-Evaluation Assisted System for Service Selection · Time for Risk Evaluation 1 10 100 1000 10000 100000 1e+06 10 100 1000 10000 Running time (seconds) # of packages within](https://reader034.vdocument.in/reader034/viewer/2022051814/60363754d50dc00682749975/html5/thumbnails/59.jpg)
Thanks!