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An interesting prospective. Though I don't share all the statemens of the article - the one is obvious. Most of the tasks for which application servers are being advertised could be sovled by employing much more cost-effective solutions. Presently, just by using a web-server as simple proxy-server to so called applications servers people: (1) underutilize front-ends (2) unable to take full advantage of HTTP1/1 features (3) end-up with almost unacceptable latency. A decent high-performance webserver, such as Netscape Enterprise Server or IIS plus a hardware load-balancing solution such as Cisco Local Director (which one would want to have anyway) would do just fine in many cases.