SDN: Understanding Software-Defined Networking

Software Data Negotiation, because it helps in data bargaining

Secure Digital Networks, because it enhances security

Systematic Data Networking, because it organizes data more efficiently

Software-Defined Networking, because it replaces physical devices with software versions

To provide a user interface for network management

To manage device configurations

To forward network traffic based on protocols

To encrypt and secure data transmissions

Infrastructure Layer

Control Layer

Application Layer

Management Layer

To forward network traffic

To interface with end-users

To manage network configurations

To encrypt data transmissions

Control Plane

Security Plane

Data Plane

Management Plane

Traffic forwarding and routing tables

User access and security

Physical device maintenance

Software updates and patches

By external network services

By software algorithms

By manual configuration

By physical switches

API and SSH

HTTP and FTP

UDP and TCP

SMTP and SNMP

Secure Shell (SSH)

Hypertext Transfer Protocol (HTTP)

Transmission Control Protocol (TCP)

Simple Mail Transfer Protocol (SMTP)

Management Plane

Data Plane

Security Plane

Control Plane