Introductory Notes 
This documentation is aimed at developers, consultants, and administrators and concentrates on the areas of development, configuration, and runtime. The Architecture section is directed at all users of SAP Exchange Infrastructure and describes its central concepts. The chapters that follow are interesting for various target groups, depending on whether their emphasis is on development, configuration, or runtime. For an overview of the various tasks in SAP Exchange Infrastructure, see Roles and Tool Access.
You can print individual chapters of this documentation by using the HTML print function in Windows. PDF versions of this documentation (for particular XI releases) are available from the Media Library on the SAP Service Marketplace (see: http://service.sap.com/xi).
If you find any errors, incomprehensible sections, or gaps in the documentation, please contact the XI documentation team at the following address:
xi.documentation@sap.com
Do not forget to specify the chapter about which you want to give feedback, if applicable. Please note, however, that this address must not be used for support queries regarding SAP Exchange Infrastructure. If you do have a support query, please contact SAP Support Services (see: http://service.sap.com/support), and specify the component BC-XI.
With a few exceptions, the following subjects are not part of this documentation:
· The installation of SAP Exchange Infrastructure components. For more information on this subject, see the SAP Exchange Infrastructure Installation Guide under http://service.sap.com/instguides.
· SAP Exchange Infrastructure settings to enable the system to function (for example, the configuration of server addresses). For more information on this subject, see the SAP Exchange Infrastructure Configuration Guide under the address above.