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8/13/2019 Sap Erp in the Cloud
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An Oracle White Paper
April 2010
SAP ERP in the Cloud
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Oracle White PaperSAP ERP in the Cloud
Introduction ........................................................................................ 1Key Characteristics of the Cloud ........................................................ 2
Cloud Services ............................................................................... 2The Cloud Provider View ............................................................... 5Public Clouds ................................................................................. 5Private Clouds ................................................................................ 6Hybrid Clouds ................................................................................ 7The Cloud Consumer View ............................................................ 8Cloud Technology .......................................................................... 9Security in the Cloud .................................................................... 19Cloud Summary ........................................................................... 20Enterprise Resource Planning in the Cloud .................................. 22SAP Security in the Cloud ............................................................ 37
Oracles Infrastructure for the SAP Cloud ........................................ 38SAP Virtualization from Oracle ..................................................... 39SAP Server Virtualization ............................................................. 41SAP Storage Virtualization ........................................................... 42Securing Access to Virtualized SAP Application Components ..... 43
Summary ......................................................................................... 48Oracles Global SAP Service Portfolio.......................................... 48Oracles Sun Solution Center for SAP .......................................... 49Sun Joint Support Center for SAP Applications ............................ 49Oracle Virtualization Services ...................................................... 49Oracle Storage Virtualization Services ......................................... 49Global Oracle Support .................................................................. 50
For More Information ........................................................................ 50
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Introduction
What is Cloud Computing? Cloud Computing is one of the hype topics in the high-tech industry
today. Almost every IT company offers some kind of cloud product or services and almost
every IT expert uses a different definition of the term Cloud Computing. For a typical private
end-user, Cloud Computing means to use a Web-based service, for instance online services
for data storage, email, word-processing, spreadsheets, collaboration, file conversation, socialmedia, etc. There is no magic behind these Web services, other than the fact that the end-user
does not need to deploy or install dedicated applications on their home PC system anymore.
The only prerequisite is the existence of a working internet connection. Most of the mentioned
services are free and for others, end-customers pay a monthly fee, usually on a per user basis.
The general concept of Cloud Computing from a private end-users point of view is:
To plug into the internet from anywhere access processing, applications, and data services
whenever needed
To only pay for what is used or needed
However, private cloud usage is only one aspect of the overall cloud story. Companies have
realized that Cloud Computing might be a good avenue to reduce internal IT costs by spending
less money on software licenses, hardware, storage, training, and the needed maintenance of
the mentioned areas. Small and medium sized enterprises might especially gain large
advantages by using a cloud-based IT approach instead of building internal datacenters. An
outsourcing model can help to extend IT services step by step depending on the growth of the
individual business.
This white paper provides a general overview of the term Cloud Computing from an enterprise
point of view. In addition, the topic of Enterprise Resource Planning (ERP) in the cloud is
covered with a dedicated focus on the SAP ERP stack deployed on cloud technology
components from Oracle.
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Key Characteristics of the Cloud
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Figure 2. Definition of Cloud Computing
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Figure 3. Iaas and PaaS layers
Figure 4. SaaS and DaaS layers
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Figure 6. Cloud provider view of a public cloud
Private Clouds
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Hybrid Clouds
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Figure 8. View of a public cloud
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Figure 9. Differences between cloud types
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The Cloud Consumer View
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Figure 12. Definition of virtualization
Desktop Virtualization
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Figure 16. Typical elements of todays Web services environment
Network as a Service (NaaS)
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Figure 17. Relocating network traffic
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Figure 19. Internet traffic control
NaaS Management Frameworks
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Figure 20. NaaS management framework
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Figure 22. ERP in the cloud: SaaS
ERP in the Cloud: Main Concerns Today
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Figure 23. Main concerns today of ERP in the cloud
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Figure 24. Security
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Figure 28. Service level agreements are key
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Figure 29. SAP ERP in the cloud
SAP Business ByDesign
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