A guess really, but could it be that the I-Sec boxes (whatever they are) are used to power Reuters 3000Xtra applications. And there are some SAP systems that are powered by I Sec.

As I said, a guess.

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Note added at 39 mins (2006-11-20 19:52:53 GMT)
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Another idea: feed/fed by (I-Sec Boxes are used to feed the Reuters 3000Xtra applications)

The latest release builds on the existing open desktop. This already provides extensive tools for the display of news, prices, charts, analytics, fundamental data and time series. It uses Microsoft ActiveX and COM standards, and web technology such as XML in both the Kobra and Excel containers. Reuters 3000 Xtra can be fed either by the new Reuters Market Data System (RMDS), Triarch, TIB (via SSL adapter), Reuters Small Site Delivery (RSSD) or Reuters Workstation Server (RWS).

http://about.reuters.com/productinfo/3000xtra/technical.aspx...

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Note added at 1 hr (2006-11-20 20:14:01 GMT)
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Based on your explanation, I would think that it is fed by the I Sec Box, see the last sentence of the text above. But maybe you should wait for an expert to confirm or disagree and provide a better answer.

as the Reuters 3000 Xtra is a transation service, the applications may be running on these Isec boxes to generate data for use by the service.

Just another {educated} guess as the lack of context is really a problem here.

in the sense of database server

for running the 3000Xtra applications, or perhaps supporting the applications.

vague enough to cover the sense of the verb/noun without going into the specifics of what is being provided