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Operating System, Programming Language and Database for ESA

Hello,

I have to write a report on ESA and compare the architecture with other architectures. Therefore I have to know the operating systems which are compatible to ESA. I´m also interested in the compatible Databases and the Programming Languages for ESA?

Would be nice if anybody could tell me the essential information.

Thanks, Julia

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3 Answers

  • Posted on Oct 09, 2005 at 09:46 PM

    Hello Julia,

    welcome to the SDN Forums.

    As ESA - Enterprise Service Architecture is based on SOA - Service Orientated Architecture which uses WS - Web Services in principle all programing languages and operating systems fit to ESA as long as they support Web Services.

    Regards

    Gregor

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  • author's profile photo Former Member
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    Posted on Oct 10, 2005 at 03:18 PM

    Hi Julia,

    One of the pre-requisites to have ESA / SOA in place is that it should be independent of Database, application, programmaing language, OS etc.

    So, you really should not worry about that as the web services that are being exposed should be adhering to the standards laid down.

    Regards,

    Ravi

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  • author's profile photo Former Member
    Former Member
    Posted on Oct 10, 2005 at 03:19 PM

    Julia,

    ESA is built using standard web services, which use WSDL - Web Service Descrcription Language. Actual service backend can use any programming language, and store data in any database, regardless of the operating system.

    However all such services should export their functionality using WSDL, and register themselves in a UDDI (Universal Description Discovery and Integration protocol) server. Any client which can understand WSDL can contact the web service.

    ESA or Enterprise Services Architechture itself is not a hardware or system architechture, but refers to service enabling of exsiting ERP applications.

    Think of it this way. You have to call a friend over phone. You go to a telephone directory, search giving your friend's name, get his/her telephone number, dial it using your phone.

    You don't need to know whether this is a land line number or cell number, if it is cell, whether it uses CDMA or GSM, or whatever. Once you have the phone number you can call your friend. Because the way to call a telephone number is standardised across the world. ESA brings the same thing to enterprise applications.

    I know. This is a very primitive example. But hopefully it might help explain the concept.

    Regards,

    Sivaraj.

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