- Chapter 1: Current SDN Controller Landscape
- Chapter 2: SDN Controller Use Cases
- Chapter 3: SDN Controller Comparison
- Chapter 4: 2015 SDN Controller Products
SDxCentral SDN Controllers Report Introduction: Importance of SDN Controllers
The 2015 Software-Defined Networking (SDN) Controller Report takes a look at the state of the Controller market, which ultimately provides insights into the maturity of the SDN market at large. Controllers are the “brains” of an SDN environment, acting as the strategic control point in the network responsible for relaying information to the switches, routers and other network devices ‘below’ (via southbound application programming interfaces (APIs)) and the applications and business logic ‘above’ (via northbound APIs). Due to the pivotal role they play in a SDN deployment, it is important to understand what Controllers are capable of doing today and where they are going in the coming months/years.
This Report attempts to shed some light on the trends and influences on the Controller market, providing:
- A brief history of Controllers.
- Current core Controller capabilities.
- General use cases that require Controllers today.
- Details on different vendor offerings.
- Insights into potential evolution paths for Controllers.
2015 SDN Controllers Landscape also available as PDF Download
A Brief History on Controllers
The concept of a Controller was born alongside the introduction of Software-Defined Networking (SDN) itself. SDN separates the control from the data forwarding of the network; all this control is centralized in logic delivered via a software application, a.k.a. a Controller, which is why it is often referred to as the ‘brains’ of the network.