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Zorluk: KolayComparing Traditional Networks with Controller-Based Networking

A junior network technician is reviewing device configuration procedures for a new campus deployment. Which key architectural difference characterizes a controller-based network when compared to a traditional network architecture?

  1. Control plane intelligence is centralized on a dedicated network controller rather than running independently on each node.Cevap
  2. B
    Configuration management requires logging into each network device individually using SSH or CLI console connections.
  3. C
    Data plane packet forwarding decisions are offloaded entirely to remote application servers using HTTP POST requests.
  4. D
    Layer 2 device discovery and topology mapping rely exclusively on TACACS+ payload inspection across switch ports.

Cevap

Control plane intelligence is centralized on a dedicated network controller rather than running independently on each node.
Controller-based networking separates the control plane from the data plane, moving control intelligence into a centralized controller that programmatically manages network devices.

Adım Adım Çözüm

1
Identify how control plane functions operate in traditional networks.
In traditional networking, every router and switch runs its own control plane protocol stack independently (distributed control plane).
Traditional devices build routing and forwarding tables locally.
2
Compare traditional behavior with controller-based network architecture.
In controller-based networking (SDN), control plane functions are abstracted and centralized into a central software controller.
Centralization allows policy-based automated management, while physical devices handle data plane forwarding.

Anahtar Kavram

Centralized Control Plane vs Distributed Control Plane
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Konular

Comparing Traditional Networks with Controller-Based Networking

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