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This article gives an overview how and when SAP connections are used in KGS tia® Document Router.
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The following sections will explain the work and usage of sap connections in KGS tia® Document Router.
SAP Connector Plugin
KGS tia® Document Router is delivered with KGS SAP Connector plugin. It can be reached by OSGI UI: Main → KGS SAP Connector.
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These connections are primarily used for SAP-Linking.
In document router Document Router instance configuration in tab common an SAPALinkInterface can be defined. Only if this setting is set to ArchiveLink, then also the SAP Connector plugin is used in order to generate Archive URLs in order to communicate with an Archive Link archive system. In other setting of the parameter SAPALinkInterface the SAP connection configured in SAP Connector plugin is not used for archiving.
SAP Connections for archiving
In document router Document Router instance configuration in tab common, the SAPALinkInterface can be chosen.
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The following sub chapters are describing the possibilities.
ArchiveLink
In document router Document Router SAP tab defined SAP connector connection is used.
While archiving document router Document Router requests an Archive URL via RFC connection from connected SAP-System. This URL may signed as well.
The advantage is, that the content server has not to be configured second time in document router Document Router. In addition no certificate for archiving needs to be installed.
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Another disadvantage is early locking. It is not possible to suppress locking while archiving because Document Router does not know which content server is configured in SAP. Further it is not possible to realize late locking because we don’t git get feedback if early locking was done and if it was successfully.
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For archiving the connection configured in tab SAP in document router Document Router instance is irrelevant.
In order to configure SAPA-Link SAPALink the web.xml file needs to be configured inside Tomcat webapps folder.
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This possibility is much more flexible. So for example it is possible to archive to an S3 archive. tia® Document router Router behaves like an inbuilt KGS tia® Content Server and can archive so to a brad variety of storage systems.
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Like in case of ArchiveLink the communication is using the ArchiveLink protocol. In comparison to option ArchiveLink the required URLs for archiving/locking are not created by SAP. Instead an own implentation is used for creating ArchiveLink URLs. According ArchiveLink Spezifikation it is possible to sign the URL. Using security level 2 the inbuild certificate needs to be placed into content server. The document router does not offer such an possibility. Instead you can use KGS-tia® Migration.
KGS External API is respecting AL Connection Mapping File which can be configured in document router Document Router instance configuation in tab Archiving. This offers and index file dependent archive mapping.
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