It is natural to base on either a network of Web Clients or Web Servers
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Not clear if distinction (in capability) between web servers and clients will remain as clients are adding functionality and any PC can run a server as well as a client!
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Web Client Models Include SuperWeb (Javelin) from UCSB and are well illustrated by the January 1997 hotwired article "Suck your Mips".
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Greater functionality but less power and pervasiveness is a pure Web Server model as proposed by NPAC
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Can either use in controlled (IntraNets or run a server on every node of your MPP) or uncontrolled (all the world wide web hosts) fashion
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Uncontrolled mode has interesting economic implications and is "controversial" for security and network performance area
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Note total compute power in all Web "clients" is about 100 times that in all Central Supercomputers
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