How to Contribute to the CEP Community - Use Cases Post: 302132392

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Special Forums News, Links, Events and Announcements Complex Event Processing RSS News How to Contribute to the CEP Community - Use Cases Post 302132392 by Linux Bot on Thursday 16th of August 2007 08:00:11 PM

08-16-2007

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How to Contribute to the CEP Community - Use Cases

Tim Bass
Thu, 16 Aug 2007 23:41:26 +0000
There are a number of folks interested in CEP and many of them unsure where to get started.* We discussed this recently in the Yahoo! CEP-Interest eGroup before we got sidetracked with the standard data stream processing obstructionism by our colleagues at Aleri Labs, who continue to try to redefine CEP in their view of data stream processing. * The debates with those guys seem to never end!
One of the first things people can do to help the CEP community is to share their successful CEP use cases.* Think in terms of difficult distributed network computing problems that are important to your business or organization.* Focus on business solutions, but do not ignore scientific applications of CEP.
Finally, recall that Dr. Luckham’s et al (and others) original work on CEP was based on solving complex situation detection-oriented problems in a complex distributed network computing environment where the uncertainty and “noise” was much higher than “the signal”.** In other words, focus on problems where the signal-to-noise ratio is very low.
In non technical terms this means focus on use cases where it is both difficult* and very critical to businesses to detect opportunities and threats in distributed networks (like e-commerce, supply chain, sensor nets).
The more use cases and successful application of CEP to real world problems, the better.

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LEARN ABOUT V7

httppower

httppower(8)							     powerman							      httppower(8)

NAME

       httppower - communicate with HTTP based power distribution units

SYNOPSIS

       httppower [--url URL]

DESCRIPTION

       httppower  is  a  helper program for powerman which enables it to communicate with HTTP based power distribution units.	It is run interac-
       tively by the powerman daemon.

OPTIONS

       -u, --url URL
	      Set the base URL.

INTERACTIVE COMMANDS

       The following commands are accepted at the httppower> prompt:

       auth user:pass
	      Authenticate to the base URL with specified user and password, using ``basic'' HTTP authentication which sends the user and password
	      over the network in plain text.

       seturl URL
	      Set the base URL.  Overrides the command line option.

       get [URL-suffix]
	      Send an HTTP GET to the base URL with the optional URL-suffix appended.

       post [URL-suffix] key=val[&key=val]...
	      Send an HTTP POST to the base URL with the optional URL-suffix appended, and key-value pairs as argument.

FILES

       /usr/sbin/httppower
       /etc/powerman/powerman.conf

ORIGIN

       PowerMan was originally developed by Andrew Uselton on LLNL's Linux clusters.  This software is open source and distributed under the terms
       of the GNU GPL.

SEE ALSO

       powerman(1), powermand(8), httppower(8), plmpower(8), vpcd(8), powerman.conf(5), powerman.dev(5), powerman-devices(7).

       http://sourceforge.net/projects/powerman

powerman-2.3.5							    2009-02-09							      httppower(8)