(WID/WPS) Service Binding Types

Imports and exports require binding information, which specifies the means of transporting the data from the modules.
An import binding describes the specific way an external service is bound to an import component.
An export binding describes the specific way a module's services are made available to clients.


The SCA or default binding lets your service communicate with other services in other modules.
An import with an SCA binding lets you access a service in another module.
An export with an SCA binding lets you offer a service to other modules.
A Web service import binding allows you to bind an external Web service to an import.
A Web service export binding provides a service to external clients as a Web service.


The Web service binding can use a transport protocol of either SOAP/HTTP (SOAP over HTTP) or SOAP/JMS (SOAP over JMS).Note that WebSphere Integration Developer supports several types of JMS data bindings: JMS, MQ JMS and generic JMS.
The only JMS data binding type that is supported with the Web services binding is JMS. Therefore, the only transport protocol that is supported is SOAP/JMS.SOAP/MQ JMS,SOAP/generic JMS & SOAP/MQ (native) transport protocol is also not supported.


The Hypertext Transfer Protocol (HTTP) binding, in contrast to the preceding Web service binding, assumes the binding is working with native HTTP applications and exposes a model more familiar to this audience.


The external service wizard creates imports and exports representing a service on an EIS system. The bindings created are of an EIS type. An EIS binding provides synchronous communication with the service on the EIS system. Java™ Message Service (JMS), generic JMS, WebSphere® MQSeries® (MQ) and WebSphere MQSeries JMS (MQ JMS) bindings are used for interactions with messaging systems, where asynchronous communication through message queues are critical for reliability. An import (though not an export) may also have a stateless session EJB binding.


For more info : http://publib.boulder.ibm.com/infocenter/dmndhelp/v6r2mx/index.jsp?topic=/com.ibm.wbit.620.help.prodovr.doc/topics/cwebservbindings.html

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