A short View on Tools to Support a Migration and Decisions

1. Cloud Migration
A short View on
Tools to Support a Migration and
Decisions

2. Agenda
1. Motivation
2. Approach
3. Summary

3. Why Cloud?
The Cloud has Success Stories!
•Animoto
– Slashdot-Effect requires Elasticity
•New York Times
– Processing of enormous Tasks needs a vast amount of
Resources

4. Exploiting the Cloud...
implicates
Planning & Decisions

5. Decision
The Cloud offers many benefits, but involves risks!
• Low Investments Contra
• „Infinite“ Resources
• Scalable Services
• Supports GreenIT • Law Compliance
• Data Security Experts • Internet Connection
• ... Mandatory
• Provider Lock-In
• No Standards or
Interoperability
• ...
Pro

6. Move to the Cloud?
Evaluation of different Alternatives
Cloud Hosting In-House
... considering multiple Factors.
Cost
Security Performance
Reliability Support

7. effort, customizable
What Cloud Services?

8. Where in the (IaaS) Cloud?
Cloud Provider B
Cloud Provider A
Application
Application Migration
Server
?
Service A
Service
Service AA
Service B
Service B
File Server
Resource A Resource B
Web Server Service C Service D

9. Which VM Image (IaaS)?

10. Which Cloud Service (IaaS)?

11. Agenda
1. Motivation
2. Approach
3. Summary

12. CloudGenius Approach
cyclic Process, continual & evolutionary
to incrementally migrate
CloudGenius Migration:
continual and evolutionary
Modification and Reconsideration
of a Migration

13. CloudGenius Approach
(MC2)2 Framework

14. (MC2)2 Framework: Process
To Cloud or not to Cloud?
(MC2)2 allows
step-wise Process to create an
Evaluation method to assess
differend IT Infrastructure
Alternatives

15. (MC2)2 Framework: Evaluation
requirements
Evaluation of alternative
IT Infrastructures with
resulting Evaluation method that
filters Alternatives by Multi-Criteria Decision-
Requirements and assigns a selected
criteria
Making Method (AHP)
normalized value according to
Criteria using the Analytic
Hierarchy Process (AHP) 1. Scenario 2 (234 pt)
2. Scenario 1 (145 pt)
3. ...

16. Aotearoa:
Implementation of (MC )
2 2
http://aotearoadecisions.appsot.com

17. CloudGenius Approach
Cloud Genius
Migration Process

18. CloudGenius:
Decisions in a Migration
related
Component A Component B
influences
choose
Component C ...
appliance
VM images
How to move
evaluation
a multi-component
Image A IT system
component VM image ? Image B
Image C
to the Cloud?
requirements decision
Multiple Decisions
software combined
component decision involved
component
goals
service
decision
?
provider service
evaluation evaluation

19. CloudGenius:
Migration Process

20. CloudGenius:
Migration Process

21. CumulusGenius:
wo
Implementation of CloudGenius
rk in p
CumulusGenius Suggester
GWT Aotearoa Evaluation
Frontend Component
ro g
User
re s
User CumulusGenius
Preferences Logic
s
User Data Collector
Ratings Images Services
currentness of data? own
benchmarks

22. Agenda
1. Motivation
2. Approach
3. Summary

23. Summary
• Cloud Migration involves Decision-Making
• CloudGenius offers a Migration Process for the
Public Cloud (IaaS)
• CloudGenius uses (MC2)2 as a profound
Decision-Making Framework
• Prototype CumulusGenius is available soon

24. Summary CloudGenius
• CloudGenius offers an incremental,
continual, evolutionary Migration of IT
systems to the Cloud:
– CloudGenius supports a Selection of VM Images
and of Cloud Services
– CloudGenius allows Reconsideration of past
Decisions

25. Summary (MC2)2
• (MC2)2 allows multi-criteria Evaluation
• (MC2)2 considers Requirements
• (MC2)2 supports complex Decision-Making
Methods (e.g., AHP) or simple ones (e.g.,
Benefit-Function)

26. Contact Me
For Questions, Discussions,
or Initiating Research Exchange:
Michael Menzel
Research Center for Information Technology (FZI)
Karlsruhe Institute of Technology (KIT)
Englerstr. 11
76131 Karlsruhe
Email: menzel@fzi.de