Poll: A web service or a DLL?

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Coding Thread, Webservice or just a normal DLL? in Coding and Web Development; I'm currently implementing the biometric part of our cashless catering system (a c# project), and I have decided to make ...
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    localzuk's Avatar
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    Webservice or just a normal DLL?

    I'm currently implementing the biometric part of our cashless catering system (a c# project), and I have decided to make it independent to the actual program, and have it in it's own database, so I can use it for future projects too (so we would only have to enroll the kids once).

    The question I have is this - which, if you were doing this, would you use? A web service? or a standard DLL, for interfacing with the biometrics database?

    Both have advantages, and both have disadvantages. So... opinions?

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    SYNACK's Avatar
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    The webservice would be vastly more interoperable between diverse systems and is easily encryptable via SSL. It would have a slight performance hit but nothing noticible unless you are processing several thousand a second.

    If you are sticking with all windows apps then the DLL could be fractionally easier to code.

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