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Xi Components

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ExpressInterface (OPC Xi) The ExpressInterface (Xi) specification is designed to deliver secure and reliable real-time and historical data communication based on .NET3.5 WCF (Windows Communication Foundation). Advosol offers Xi components and Xi enhancement options for The Advosol OPC server and client products. Xi delivers fast and secure communication through firewalls and for simple implementation and use. Xi is based on MMS (Multimedia Messaging Service) and .NET3.5 WCF (Windows Communication Foundation).

Advosol was a charter member of the Xi Specification Consortium and was actively involved in the design process and the implementation of the sample Xi server and Xi client code.
Advosol will be the first vendor to offer developer components for Xi Server and client applications. We are also enhancing our OPC DA .NET Client Component and OPC DA .NET Server Toolkit with Xi options that offer developers the option to gradually replace DCOM OPC applications with Xi.

Advosol Xi Products:

DANW-Xi	The DANW-Xi option enhances OPCDA.NET with an Xi wrapper. OPCDA.NET client applications can access Xi servers without having to be modified. The applications only need to be compiled with a reference to the OPCDA.NET component with the Xi option. Depending on the server name specified in connect, either the OPC DA DCOM server the Xi Web Service is accessed. For Xi server access DCOM is completely eliminated because the Xi handling is within the OPCDA.NET component. There is no external DCOM to Xi wrapper involved. Without additional application development effort the application can access DCOM OPC DA server and Xi web services. Xi is specified with a structure and functionality similar to OPC DA, making the DA/Xi wrapping fast and reliable.
PaXi	The PaXi client component greatly simplifies the development of native Xi client applications. There are classes with convenient methods for asynchronous and synchronous server access. Asynchronous access enhances the quality of user interface applications because the application doesn't become unresponsive in possibly slow access to an Internet based Xi server. PaXi offers Visual Studio toolbox components for basic server access handling. Instead of writing code the functionality can be selected in Visual Studio Designer editors.
XiPLUS	The XiPLUS Xi server toolkit uses the application plug-in DLL of the DANSrv OPC DA .NET Server Toolkit. Existing DANSrv based OPC DA .NET servers can be converted to an Xi server by replacing the generic server. The resulting server is a native Xi .Net Web Service without any DCOM or .Net wrapping. Without additional server development effort you can offer your products with OPC DA and Xi servers.
XiTOCO	The XiTOCO server wraps Xi to classic OPC DA, HDA and AE servers. Only a simple configuration is required to specify the OPC servers to be wrapped. All items of the wrapped OPC DA, HDA and AE servers can be accessed through the XiTOCO wrapper server. Only one server per server type is supported.
XiOXS	The XiOXS Exchange server aggregates multiple OPC DA or Xi servers into its address space and can be configured to exchange data between the servers. The XiOXS configuration specified how the items of the aggregated servers are mapped into the Xi server address space. Access can be restricted to a subset and the access rights can be defend for each item. XiOXS can also be configured for a data exchange between the aggregated servers.
OXS	The upgraded Advosol OPC Exchange Server supports access to Xi servers. OPC DA client applications can access Xi servers through the OXS OPC DA V2/V3 compliant OPC DA server. OXS can also act as an XML DA server, allowing XML DA clients access to Xi servers.
XiToXML	The XiToXML XML DA Wrapper Xi Server makes XML DA servers accessible from Xi clients. Existing XML DA servers can be integrated into an Xi configuration and take advantage of the communication options supported by Xi.
XiConfig	The XiConfig utility makes the configuration of Xi servers simple. XiConfig can create basic configurations based on user selections about the application situation. The created WCF configuration can be edited to exactly match the application requirements. XiConfig includes edit features for server options in the AppSettings configuration file and additional XML configuration files for Xi Wrapper server settings for the OPC server access. It also helps manage certificates for secure communication.