How is software defined networking different from VLANs?

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CISO in Software2 years ago
Software Defined Networking is a concept when you define your networks, routes, firewalls, ... on a software level ("anything as a code") rather than via traditional means. It's common in cloud environment – and similar to how you would set up e.g. virtual instances, drives & storages, etc. using source code / scripts / tools rather than "by plugging cables and powering up machines".

VLAN is, simply put, a mechanism how to make network devices in different physical networks "feel as though they were in the same LAN". 

A slightly simplistic answer to your question is that "you can use software-defined networking to define and manage your VLANs" ... 
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CISO in Consumer Goods2 years ago
Tomas summarized it perfectly with his simplistic answer. 

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IT Manager in Constructiona month ago
Hello,
the topic is so broad, what are you focused on?
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