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23 lines
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.. _controlplane:
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The Control Plane
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-----------------
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The control plane follows a layered data representation. This document describes the
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model starting from the lowest layer. The description uses IPv4 addresses and
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protocols, but all concepts apply equally to the IPv6 equivalents. The diagrams
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all portray the CLI command to install the information in VPP and an
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[approximation of] a UML diagram [#f1]_ of the data structures used to represent that
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information.
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.. toctree::
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arpentries
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routes
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attachedexport
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graphwalks
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.. rubric:: Footnotes:
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.. [#f1] The arrow indicates a ‘has-a’ relationship. The object attached to the arrow head ‘has-a’ instance of the other. The numbers next to the arrows indicate the multiplicity, i.e. object A has n to m instances of object B. The difference between a UML association and aggregation is not conveyed in any diagrams. To UML aficionados, I apologize. Word is not the best drawing tool.
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