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SAP XI, Exchange Infrastructure Portal @ eIT.in
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SAP XI, Exchange Infrastructure Portal @ eIT.in - SAP XI, Exchange Infrastructure Directory, Jobs, Books, Training
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SAP XI, Exchange Infrastructure Portal @ eIT.in - SAP XI, Exchange Infrastructure Directory, Jobs, Books, Training
The SAP XI, Exchange Infrastructure Portal at eIT.in provides comprehensive web resources for many aspects of SAP XI, Exchange Infrastructure. The aim is to be a gathering spot of web resources for SAP XI, Exchange Infrastructure that will benefit a wide range of professionals – companies implementing SAP XI, Exchange Infrastructure, individuals & professionals involved in SAP XI, Exchange Infrastructure implementation / use, students seeking information on SAP XI, Exchange Infrastructure as a career choice, recruiters looking for SAP professionals and consultants and experts seeking more info on the latest in SAP XI, Exchange Infrastructure.
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SAP Exchange Infrastructure Info – from the SAP Web Site – Library Section
SAP Exchange Infrastructure Purpose SAP Exchange Infrastructure (SAP XI) enables you to implement cross-system processes. It enables you to connect systems from different vendors (non-SAP and SAP) in different versions and implemented in different programming languages (Java, ABAP, and so on) to each other. SAP Exchange Infrastructure is based on an open architecture, uses open standards (in particular those from the XML and Java environments) and offers those services that are essential in a heterogeneous and complex system landscape:
● Modeling and design of messages, transformations, and cross-component integration processes
● Configuration options for managing collaborative processes and message flow
● Runtime for message and process management
● Adapter Engine for integrating heterogeneous system components
● Central monitoring for monitoring message flow and processes
Features SAP XI is based on general standards so as to enable external systems to be integrated. At the center of the infrastructure is an XML-based communication that uses HTTP (Hyper Text Transfer Protocol). The application-specific contents are transferred in messages in user-defined XML (eXtensible Markup Language) schema from the sender to the receiver using the Integration Server.
In the above graphic, Integration Broker is an SAP NetWeaver capability (that is, the features for a technological area of SAP NetWeaver) that is supported by SAP XI. The Integration Server, on the other hand, is an XI runtime component.
Senders and receivers that exchange messages using the Integration Server are separated from one another. This separation makes it easier to connect systems that are technologically different. Every system that can exchange messages with the Integration Server can also exchange messages with all other systems that are connected to the Integration Server. SAP XI supports the following methods of communication with the Integration Server:
● Direct communication using proxies, which you generate in the application systems using a description in WSDL (Web Service Description Language).
● Communication using adapters. In this case, you create interfaces for message exchange in the application system, or use existing interfaces.
Simple message processing on the Integration Server is stateless. This means that the Integration Server does not know of any connections between various messages. Cross-component integration processes, on the other hand, describe related processes, which can use the knowledge about messages that have already been processed to further control the process (for example, waiting for the corresponding response for a message in order to start further actions). You can use SAP XI to model, change, and manage these cross-component integration processes centrally. These processes are executed on the Integration Server and are included in message processing by configuration.
As with cross-component integration processes, you save the entire integration knowledge of a collaborative process centrally in SAP XI: Objects at design time in the Integration Repository and objects at configuration time in the Integration Directory. In this way, SAP Exchange Infrastructure follows the principle of shared collaboration knowledge: You no longer need to search for information about a collaborative process in each of the systems involved, but can call this information centrally instead. This procedure considerably reduces the costs for the development and maintenance of the shared applications.
Areas of SAP XI in Detail
Area Description
Integration Builder Central tool for the design and configuration of the collaborative process. All the basic functions of the Integration Builder are described in this section. All subareas for design and configuration, and their editors (often graphical) in the Integration Builder, are documented in the subsections for Design and Configuration (see below).
Software Logistics for XI Objects Organization of objects within SAP XI, versioning and transport of these objects.
Design (Integration Repository)
Designing Integration Scenarios Design of the collaborative process at the application component level. In the Integration Builder, integration scenarios are used as the central point for understanding the relationships between the objects involved (interfaces, mappings, integration processes). You also use design at configuration time to map the collaborative process to the current system landscape.
Designing Integration Processes (ccBPM) Design of executable integration processes. Cross-component integration processes support a stateful message processing on the Integration Server.
Designing Interfaces and Proxy Generation Description and use of messages in interfaces for message exchange. You create interfaces in the Integration Builder and use proxy generation to generate executable proxies in SAP application systems. Furthermore, you can use the Integration Builder to import message schema and SAP interfaces to the Integration Repository for use in the further design process.
Designing Mappings Design of graphical message mappings and import of Java and XSLT mappings. Description of how to register these mapping programs for the source and target interface.
Configuration (Integration Directory)
Defining Collaboration Profiles Description of the technical sender and receiver options (and how to identify them) using communication parties, services, and communication channels.
Defining Receiver Determinations Description at a logical level of which service a message is to be sent to. The service can be a business system, an integration process, or a service for a B2B communication.
Defining Interface Determinations Assignment of a receiver interface to a sender interface. You also register whether mapping programs are to be executed from the Integration Repository for this interface pair, and if so, which mapping programs.
Defining Collaboration Agreements In a collaboration agreement you define which communication channel to use to process messages for a particular combination of senders and receivers.
Defining Configuration Scenarios Grouping of all configuration objects by the scenario in which they are required. You can apply integration scenarios from the Integration Repository for a configuration scenario in the Integration Directory.
Runtime
Integration Engine Central runtime component of the Integration Server for receiving, processing, and forwarding messages.
Proxy Runtime Runtime component for proxy communication between the Integration Server and application systems based on SAP Web AS.
Adapter Engine Runtime components that use adapters to connect external systems and R/3 systems to the Integration Server by means of RFC calls. The IDoc adapter and the plain HTTP adapter run independently of the Adapter Engine.
Central Monitoring Functions for monitoring the involved XI components, the message processing by one or more components, and the performance of message processing.
Additional Tools (Optional)
Tool Use
ARIS for SAP NetWeaver Add functions to SAP NetWeaver for graphically modeling processes at various levels. At the highest level (Process Architecture Model), the process architecture of a company is built from a purely business perspective, that is, without technical details.
You can find ARIS for SAP NetWeaver in the SAP Software Distribution Center on SAP Service Marketplace at service.sap.com/swdc.
SAP Conversion Agent by Itemfield Adds functions to SAP NetWeaver for converting data to and from XML. It can process unstructured, semi-structured, and structured data. The Conversion Agent can be called using an adapter module in the Adapter Framework of SAP Exchange Infrastructure.
You can find SAP Conversion Agent by Itemfield in the SAP Software Distribution Center on SAP Service Marketplace at service.sap.com/swdc.
SAP Exchange Infrastructure Article from Wikipedia
SAP Exchange Infrastructure (SAP XI) is SAP's enterprise application integration (EAI) software, a component of the NetWeaver product group used to facilitate the exchange of information among a company's internal software and systems and those of external parties. Like other NetWeaver components, SAP XI is compatible with software products of other companies.
SAP calls XI an integration broker because it mediates between entities with varying requirements in terms of connectivity, format, and protocols. According to SAP, XI reduces the TCO by providing a common repository for interfaces. The central component of SAP XI is the SAP Integration Server, which facilitates interaction between diverse operating systems and applications across internal and external networked computer systems.
XI is built upon the SAP Web Application Server.
Further reading
Nicolescu, Valentin; Burkhardt Funk, Peter Niemeyer, Matthias Heiler (2006). Entwicklerbuch SAP Exchange Infrastructure. SAP Press. ISBN 3-89842-810-9. Stumpe, Jens; Joachim Orb (2005). SAP Exchange Infrastructure. SAP Press. ISBN 1-59229-037-X. Michal, Krawczyk; Michal Kowalczewski (2006). Mastering IDoc Business Scenarios with SAP XI. SAP Press. ISBN 1-59229-100-7.
End of Wikipedia content, see original article here
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