This article answers
following queries:
1)
What is
SAP Netweaver and what it offers?
2)
What are
the different SAP Netweaver layers?
3)
Explain
SAP Netweaver layers?
SAP Netweaver and its Offerings:
SAP Netweaver AS is
the logical result of further developing SAP application server Technology (earlier
called SAP Basis), where by special attention is paid to web applications.
SAP Netweaver offers :
i)
A reliable,
convenient and user friendly development environment
ii)
A reliable
and thoroughly tested runtime environment for running ABAP and Java programs
iii)
Support
for various open standards like HTTP, HTTPS, SOAP, SMTP, SSL, SSO, X.509,
Unicode, HTML, WML and XML
iv)
Support
for platform independence ( i.e. running on different Operating
systems/databases)
v)
High
Scalability
vi)
A
framework for executing complex business processes that meets highest security
standards
vii)
Multi
level architecture ( i.e. Presentation level, Application level and Database
levels)
viii)
Support
for various user interfaces like SAPGUI, Browser etc
SAP
Netweaver Layers:
SAP
Netweaver is based on a technology using industry standards and can be enhanced
with development tools such as Java, J2EE, Microsoft .Net and IBM Webshphere.
Netweaver
consists of following 4 layers
Ø
People
Integration
Ø
Information
Integration
Ø
Process
Integration
Ø
Application
Platform
People Integration :
People integration
makes sure that employees or customers of an organization, have quick access to information to perform
their activities efficiently.
For example:
i)
Using SAP
Enterprise Portal system, customers can
access the required information at ease and perform their tasks.
ii)
Using SAP
Netweaver Mobile Integration technology, customers can access the information
related to a company from a mobile and thus perform their tasks easily
Information Integration :
Information
integration layer provides access to all structured and non-structured
information of an organization/company.
For example :
i)
SAP
Netweaver Systems like Business
Intelligence- BI, Enterprise Portal (Knowledge Management- KM ), and Master Data Management(MDM) areas provide
comprehensive options for uniform access to distributed information in a
company.
Process Integration :
Process Integration
ensures that business processes work across system borders in a landscape of
heterogeneous systems. In other words, it allows communication between different
system types.
For example :
i)
SAP XI or
SAP PI system plays a crucial role and connects SAP and Non-SAP systems. It
mainly uses open standards from XML and Java for that.
Application Platform :
SAP Netweaver
application server provides proven infrastructure for running business
applications that are based on ABAP or Java. In addition to runtime environment
for ABAP or Java, the respective development tools are also available for you
to implement your own applications.
Mainly, Application
platform supports
- Open standards
- Browser based access
- Web services
In addition to these 4
layers, SAP Netweaver offers
i)
Lifecycle
Management
ii)
Composite
Application Framework (CAF)
Life Cycle Management supports following aspects for entire solution
i)
Design
ii)
Development
iii)
Deployment
iv)
Change management
Along with this it meets
the requirements for security, design, modeling and testing.
Composite Application Framework (CAF) is
i)
Integrated
into SAP netweaver
ii)
Enables
SAP and its partners to create new applications
iii)
Offers
tools, frameworks, rules and methods to create applications based on business
processes
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