In resource material at end, we define 3 basic tiers
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client, (Grande)Gateway and backend (Grandecomputer)
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Sandia CPLANT machines would appear in both gateway and backend tiers
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In gateway, one would use full NT (or perhaps Linux environments) and in backend, systems optimized for performance
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High end gateway machines would be typical large SMP's
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Commodity protocols would link both UNIX and NT -- HPCC backend systems could be specialized
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As described in following, we suggest gateway can be viewed as linked servers -- each hosting some sort of service -- and linked either by user-set, agent negotiated or fixed channels
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Sun's new JINI resource management system seems possibly very important
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