3. Why Cloud?
The Cloud has Success Stories!
â˘Animoto
â Slashdot-Effect requires Elasticity
â˘New York Times
â Processing of enormous Tasks needs a vast amount of
Resources
5. Decision
The Cloud offers many benefits, but involves risks!
⢠Low Investments Contra
⢠âInfiniteâ 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
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
12. CloudGenius Approach
cyclic Process, continual & evolutionary
to incrementally migrate
CloudGenius Migration:
continual and evolutionary
Modification and Reconsideration
of a Migration
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. ...
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
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
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:
â CloudGenius supports a Selection of VM Images
and of Cloud Services
â CloudGenius allows Reconsideration of past
Decisions
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