Probabilistic Application-Level Connection Scheduling in Web Servers

  • Authors:
  • Ramkumar Ramaswamy

  • Affiliations:
  • Infosys Technologies

  • Venue:
  • IEEE Distributed Systems Online
  • Year:
  • 2001

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Abstract

A Web server running a popular Web site might simultaneously service hundreds or even thousands of requests. Many traditional Web servers let the operating system decide the connection scheduling--that is, the order in which requests are serviced--and, in fact, most imply do so on a first-come, first-served basis. In many cases, however, it can be extremely useful, if not downright necessary, to have application-level control over scheduling policies. Application-level connection scheduling lets server administrators specify the scheduling rules they want to impose, rather than relying on programmers to do it.