16
Jan

LSAM (research group)

   Posted by: dhcsoul   in Complex Event Processing

Your first time here? Welcome, I'm glad you've dropped in.... David Soul (aka Bricoleur)

LSAM: Large Scale Active Middleware
“The LSAM project is developing the middleware infrastructure to
support scalable distributed information services.  Current
implementations of such services rely on individual components, such as
Web servers, WAIS servers, and host clients.  Some resource sharing is
provided via distributed indexing systems. e.g. Harvest, or manually
configured proxy caches.  The goal of LSAM is to develop middleware to
support large-scale deployment of distributed information services with
effective economies of scale.”

“The LSAM project is currently integrating the components of its
earlier research into a self-organizing multicast cache system, called
the LSAM proxy.  The LSAM proxy uses multicast push based on interest
groups, to reduce server and network load and increase client
performance.”

“We define middleware as:

Distributed services that:

  • require distibuted on-going process
  • combine OS and network capabilities
  • but can’t be effectively implemented exclusively in either the OS or the network

“The LSAM proxy relies on a few assumptions:

  • idle bandwidth is a wasted opportunity
  • distibuted client hot-spot traffic is important
    • on the timescale of days-weeks (conjecture)
    • content-based (semantic affinity)
    • significant traffic issue
  • clients and servers should be as autonomous as possible

goto
originally Posted to cep.weblogger.com by David Soul on 1/15/05; 9:49:18 PM
in the CEP section.

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Tags: CEP, Complex Event Processing, design, filters, predictions, Systems

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