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@ -1,6 +1,50 @@
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General
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################
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Architecture
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============
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GNS3 is splitted in four part:
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* the GUI (project gns3-gui, gns3-web)
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* the controller (project gns3-server)
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* the compute (project gns3-server)
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* the emulators (qemu, iou, dynamips...)
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The controller pilot everything it's the part that manage the state
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of a project, save it on disk. Onlye one controller exists.
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The GUI display the topology. The GUI has only direct contact with
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the controller.
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The compute are where emulator are executed. If the compute is on
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the same server as the controller, they are in the same process.
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For each node of the topology will start an emulator instance.
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A small schema::
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+---------------+ +----------+ +------+
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| | | COMPUTE +-----> QEMU |
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| GNS3 GUI | +---> SERVER 1 | +------+
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| QT interface +-----+ | +----------+
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| | | | +---+
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+---------------+ +v--------++ +--->IOU|
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|CONTROLLER| | +---+
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+---------+ +^--------++ +---------+ |
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| GNS3 WEB+-----+ | | COMPUTE +--+
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+---------+ +---> SERVER 2+--+ +--------+
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+---------+ +--->DYNAMIPS|
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+--------+
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If you want to pilot GNS3 you need to use the controller API.
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Communications
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===============
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