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Device Programmability means the ability to configure, control, and manage network devices (like routers, switches, firewalls) using software or code, rather than logging in manually and typing CLI commands. In short —👉 It’s how network automation happens. Instead of an engineer configuring 100 devices manually, scripts or automation tools push configurations automatically using APIs or
OpenDaylight (ODL) is an open-source Software-Defined Networking (SDN) controller platform developed under the Linux Foundation.It provides a modular and flexible platform that allows network administrators and developers to build, manage, and automate modern networks using open standards. In simple terms —👉 OpenDaylight acts as the “brain” of an SDN network, controlling how switches, routers, and
Software-Defined Networking (SDN) is a modern approach to network design and management that separates the control plane from the data plane.This means the intelligence (decision-making) of the network is centralized in a software-based controller, while the hardware devices (switches/routers) just forward packets based on those instructions. ⚙️ Traditional Networking vs SDN Feature Traditional Networking Software-Defined
The Lazy Networker 