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OpenACS system

OpenACS is a n-tier architecture web application toolkit built on these software components:

  1. OpenACS toolkit en:openacs-subsystem
  2. an interpretive, markup language en:tcl
  3. a robust, http server en:aolserver
  4. a mature, relational database management system (RDMS) en:postgresql or en:oracle that follows the SQL standard (Why not MySQL?) and uses a procedural language (PL/SQL or PL/pgSQL).
  5. unix-like operating system en:os-nix

And works well with minimum hardware requirements (en:docs-install).

Chart Showing the parts of OpenACS

OpenACS System Chart

The blue dotted line hints at the path of a dynamic page request --from client to server and back. Each of the subsystems on the left can be directly accessed by a page request, whereas the database is only indirectly accessible. The arrows represent the pools of database connections that help manage queries --one of the key reasons that OpenACS performs well.

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References to this Page: en:docs-end-user, en:docs-eng, en:os-nix-install, en:openacs-subsystem, en:Documentation_Project_Plan, en:docs-end-user-toc, en:docs-eng-toc Categories: Subsystems Documentation (OpenACS.org)