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SPACE4Clouds: a DevOps Environment for multi-Clouds Applications
POLITECNICO DI MILANO
Motivation
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• Applications have grown in size and scope
• The rise of Cloud computing
• Need for quality-assurance
• DevOps philosophy
SPACE 4Clouds
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• What is SPACE 4CLouds?
• The MODAClouds project
• Composed of two main tool
• Developed in Java under Apache 2.0 license
SPACE 4CloudsDev
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SPACE 4CloudsDev
model-2-model transformation
assessment and optimization
LQN model
applicationmodel
in extended PCM format
deploymentplan and
Performanceanalysisresults
QoS Engineer
SPACE 4CloudsOps
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Monitoring system IaaS interface
SPACE 4CloudsOps
Sys Admin
DevOps Environment
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SPACE 4CloudsDev
model-2-model transofrmation
assessment and optimization
LQN models
applicationmodel
in extended PCM format
deploymentplan and
performanceanalysisresults
Monitoring system IaaS interface
SPACE 4CloudsOps
The adaptation model
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Design of the Experiments
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ELB
Monitoring System SPACE 4CLouds Ops
IaaS Interface
Scale instance!
Stop instances!
Retstartthem.Need
more...Not
enough!
Proof of Effectiveness
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Conclusion and future works
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A joint DevOps environment for quality-aware Cloud applications
Future works:1) More performance analysis2) Management of PaaS platforms and multi-
Cloud applications3) Feedback mechanism 4) Toward the DICE project
Request for feedback &
a provoking question
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How to correctly set up multiple componentstime-scales?
Is Cloud just Ops? How much do design time decisions impact on runtimeperformance and costs?
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