Software Defined Networking (SDN)
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def
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splitting a networking device's functions into separate logical planes, extending the functionality and manageability of a single device — well suited to cloud environments
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planes
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infrastructure layer / Data Plane — processes frames and packets (forwarding, trunking, encrypting, NAT)
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control layer / Control Plane — manages the data plane's actions (routing tables, session tables, NAT tables, dynamic routing updates)
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application layer / management plane — configures and manages the device itself (SSH, browser, API)
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related
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Zero Trust
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