Cloud Computing im Unternehmen / Jan 25th 2011

http://www.flickr.com/photos/learningtour/2200588898/

Cloud Computing im Unternehmen

Lothar Wieske

DB Systel GmbH

http://www.flickr.com/photos/photonquantique/4711505006/

Cloud Computing …

… an Intelligent Symbiosis of

Enterprise IT and Internet IT

http://www.flickr.com/photos/sparktography/2485147794/

Cloud Computing

Mobile Computing

Social Computing

http://www.flickr.com/photos/muehlinghaus/228976980/

On-Demand Self Service

Broad Network Access

http://www.flickr.com/photos/darrenhester/3971567234/

http://www.flickr.com/photos/sejanc/2373309843/

Resource Pooling

Rapid Elasticity

http://www.flickr.com/photos/macke827/4437926761/

http://www.flickr.com/photos/obraka/4005579494/

Measured Service

http://www.flickr.com/photos/ancawonka/65927497/

On-Demand Self-Service

Broad Network Access

Resource Pooling

Rapid Elasticity

Measured Service

Infrastructure as a

Service

Platform as a

Service

Software as a

Service

Public Cloud

Private Cloud

Hybrid Cloud

Community Cloud

Essential Characteristics

Service Model

Essential Characteristics

Cloud Computing

http://www.flickr.com/photos/jackol/133765382/

But

*aaS

Is Not

A Stack!

http://www.flickr.com/photos/josepina/195282706/

Infrastructure as a

Service

Platform as a

Service

Software as a

Service

Service Model

Commodity Virtualization

http://www.flickr.com/photos/curiouskiwi/89209429/

Demo: Availability

http://www.flickr.com/photos/saturnism/195649679/

Infrastructure as a Service

Platform as a

Service

Software as a

Service

Service Model

Elastic Architecture

http://www.flickr.com/photos/curiouskiwi/89209429/

Demo: Elasticity

http://www.flickr.com/photos/sindre-wimberger/445284479

Infrastructure as a Service

Platform as a

Service

Software as a

Service

Service Model

Tenant Kernel

http://www.flickr.com/photos/curiouskiwi/89209429/

Demo: Tenancy

http://www.flickr.com/photos/curiouskiwi/89209429/

Demo: Identity

http://www.flickr.com/photos/fcstpauli/2607423722/

Multi-Tenant Database SaaS

Blobs Tables Queues RDBMS PaaS

File Systems IaaS

Cloud

Storage

Abstractions

http://www.flickr.com/photos/sheeshoo/24039443/

http://www.flickr.com/photos/ptillinghast/3445433978/

ACID

Atomicity Consistency

Isolation Durability

BASE

Basically Available Soft State

Eventual consistency

http://www.flickr.com/photos/sgw/3138741071/

Consistency Availability

Partition Tolerance

CAP-Theorem: You can have at most two of these

http://www.flickr.com/photos/multiget/1523714050/

Two-Sided Markets

http://www.flickr.com/photos/leftmade/4962917207/

Cloud Governance

http://www.flickr.com/photos/64479867@N00/3454997061/

Information

Application

Compliance Bound

Revenue Bound

Risk Bound

http://w

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.flic

kr.

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/photo

s/m

ath

ias764/3

852888543/

http://www.flickr.com/photos/badlyinvolved/3744459472/

Workloads

http://www.flickr.com/photos/44534236@N00/2497088767/

Social Media

Wiki/Blog

Productivity

Email/Office

LOB Apps

Multi

Tenant

LOB Apps

Single

Instance

10.000 1.000 100 10

http://www.flickr.com/photos/lilit/100817175/

Mobile Executive

Information Worker

Occasional User

$25,18 $25,08 $20,32

$8,47

On Premise Cloud Based Exchange Online Google Apps

n = 15.000

Email Cost Comparision (Monthly)

http://www.flickr.com/photos/lilit/100817175/

Datacenter Cost (Monthly)

http://mvdirona.com/jrh/TalksAndPapers/PerspectivesDataCenterCostAndPower.xls

http://www.flickr.com/photos/av8pix/2444406238/

Stealth IT

http://www.flickr.com/photos/badlyinvolved/3744459472/

Strategy

http://www.flickr.com/photos/eriwst/2303608353/

http://www.flickr.com/photos/hoosadork/488540263/

http://www.flickr.com/photos/96dpi/2119924191/

Mobile Computing

Social Computing Information Policy

Eventual Consistency

*aaS

Elasticity Tenancy Workloads Availability

http://www.flickr.com/photos/96dpi/2119924191/

IT Transformation

http://www.flickr.com/photos/teliko82/1875627696/

Two-Sided Markets

Internet-IT

Eventual Consistency

Unternehmens-IT

www.cloud-computing-buch.de