cloud migration: moving to the cloud

Cloud Migration

A short View onTools to Support a Migration and

Decisions

Agenda

1. Motivation

2. Approach

3. Summary

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

Exploiting the Cloud...

implicates

Planning & Decisions

Decision

The Cloud offers many benefits, but involves risks!

Pro

Contra• Low Investments• „Infinite“ Resources• Scalable Services• Supports GreenIT• Data Security Experts• ...

• Law Compliance• Internet Connection

Mandatory• Provider Lock-In• No Standards or

Interoperability• ...

Move to the Cloud?

Evaluation of different Alternatives

... considering multiple Factors.

Security

Reliability Support

Performance

Cost

Cloud Hosting In-House

What Cloud Services?eff

ort,

cust

omiz

able

effor

t, cu

stom

izab

le

Where in the (IaaS) Cloud?

ApplicationApplication

Server

File Server

Web Server

Cloud Provider B

Service A Service B

Resource A Resource B

Cloud Provider A

Service AService BService A

Migration

Service C Service D

Service A?

Which VM Image (IaaS)?

Which Cloud Service (IaaS)?

Agenda

1. Motivation

2. Approach

3. Summary

CloudGenius Approach

cyclic Process, continual & evolutionary

to incrementally migrate

CloudGenius Migration:continual and evolutionaryModification and Reconsideration of a Migration

CloudGenius Approach

(MC2)2 Framework

(MC2)2 Framework: Process

To Cloud or not to Cloud?

(MC2)2 allowsstep-wise Process to create an Evaluation method to assess differend IT Infrastructure Alternatives

(MC2)2 Framework: Evaluation

requirementsrequirements

Multi-Criteria Decision-Making Method (AHP)Multi-Criteria Decision-Making Method (AHP)selected

criteriaselected criteria

1. Scenario 2 (234 pt)2. Scenario 1 (145 pt)3. ...

1. Scenario 2 (234 pt)2. Scenario 1 (145 pt)3. ...

Evaluation of alternative IT Infrastructures withresulting Evaluation method that filters Alternatives by Requirements and assigns a normalized value according to Criteria using the Analytic Hierarchy Process (AHP)

Aotearoa:Implementation of (MC2)2

http://aotearoadecisions.appsot.com

CloudGenius Approach

Cloud Genius Migration Process

CloudGenius: Decisions in a Migration

VM image decision

software component

provider evaluation

service evaluation

component requirements

component goals

service decision

appliance evaluation

Image A

Image C

Image B?

?

combined decision

VM images

influences

choose

Component A

Component C

Component B

...

related

How to move a multi-component IT system to the Cloud?

Multiple Decisions involved

CloudGenius: Migration Process

CloudGenius: Migration Process

CumulusGenius: Implementation of CloudGenius

CumulusGenius Suggester

Images Services

currentness of data?

Aotearoa Evaluation ComponentUser

GWT Frontend

CumulusGenius Logic

User Preferences

Data Collector

own benchmarks

User Ratings

work in progress

Agenda

1. Motivation

2. Approach

3. Summary

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

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

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)

Contact Me

For Questions, Discussions,or Initiating Research Exchange:

Michael MenzelResearch Center for Information Technology (FZI)Karlsruhe Institute of Technology (KIT)Englerstr. 1176131 Karlsruhe

Email: menzel@fzi.de