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== Rainbow: Software Architecture-Based Self-Adaptation ==

Project '''''Rainbow''''' began in early 2001 as the joint effort of Professors [http://www.cs.cmu.edu/~garlan David Garlan] and [http://www.cs.cmu.edu/~prs Peter Steenkiste] at [http://www.cmu.edu/ Carnegie Mellon University] to investigate ''architecture-based adaptation of complex systems'' under DARPA's [http://www.schafercorp-ballston.com/dasada/index2.html DASADA Program].  To date, the [http://www.cs.cmu.edu/~able/research/rainbow Rainbow Project] continues to be an integral part of Professor Garlan's [http://www.cs.cmu.edu/~able/ ABLE] research group.  I began doing research on Rainbow in autumn 2001, working closely with [http://www.cs.cmu.edu/~schmerl Dr. Bradley Schmerl].  Over the past few years, in addition to building the software framework, I have been investigating the role of declarative language and utility theory to facilitate architecture-based adaptation of live software systems.

==== Thesis ====

[http://owen.tofudo.com/research/phdthesis PhD Thesis], defended April 18, 2008.

''[http://mosquito.homeip.net/cgi-bin/download.cgi?f=ThesisProposal.pdf Original thesis proposal] from June 2^nd^, 2004.''

==== Key Publications ====

Shang-Wen Cheng, David Garlan and Bradley Schmerl. [http://acme.able.cs.cmu.edu/pubs/show.php?id=7 Architecture-based Self-adaptation in the Presence of Multiple Objectives]. In ICSE 2006 Workshop on Software Engineering for Adaptive and Self-Managing Systems (SEAMS), Shanghai, China, 21-20 May 2006.

Shang-Wen Cheng, David Garlan and Bradley Schmerl. [http://acme.able.cs.cmu.edu/pubs/show.php?id=24 Making Self-Adaptation an Engineering Reality]. In Ozlap Babaoghu, Mark Jelasity, Alberto Montroser, Christof Fetzer, Stefano Leonardi and Aad Van Moorsel editors, Proceedings of the Conference on Self-Star Properties in Complex Information Systems, Vol. 3460 of LNCS, Springer-Verlag, 2005.

David Garlan, Shang-Wen Cheng, An-Cheng Huang, Bradley Schmerl and Peter Steenkiste. [http://acme.able.cs.cmu.edu/pubs/show.php?id=34 Rainbow: Architecture-Based Self Adaptation with Reusable Infrastructure]. In IEEE Computer, Vol. 37(10), October 2004.

David Garlan, Shang-Wen Cheng and Bradley Schmerl. [http://acme.able.cs.cmu.edu/pubs/show.php?id=72 Increasing System Dependability through Architecture-based Self-repair]. In Rogerio De Lemos, Cristina Gacek and Alexander Romanovsky editors, Architecting Dependable Systems, Springer-Verlag, 2003.

[http://acme.able.cs.cmu.edu/pubs/show.php?keyword=Rainbow More ABLE publications on Rainbow].

==== Installing ====

Instructions on how to install are [:RainbowInstall: here].


==== Current Status ====

  * The implementation of the Rainbow software framework is essentially complete, with a binary "SDK" version available for research purposes, by request only
    * Stitch language interpreter
    * Rainbow infrastructure components
    * Sample set of Operators and Effectors, Gauges and Probes
  * Case studies to validate the Rainbow approach completed
    * "Slashdot effect"
    * Company infrastructure adaptation
  * [:ThesisLog: Thesis-writing]
  * [http://owen.tofudo.com/research/phdthesis PhD Thesis nearly complete]


Email: [[MailTo(sw.cheng AT SPAMFREE acm DOT org)]]
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