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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.

Previous Month August 2017
Sun Mon Tue Wed Thu Fri Sat
30 31 1 2 (1) 3 4 5
(2) 6 7 (4) 8 9 10 11 12
13 14 (1) 15 16 17 (2) 18 19
20 21 22 23 24 25 26
27 28 29 30 31 1 2

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