In Bob Muglia, Executive Vice President of the Software Solutions Division at Juniper Networks says enterprise and service providers are seeking solutions to their networking challenges and hence looking at Software Defined Networking as a tool.
Customers want their networks to adjust and respond dynamically, based on their business policy and those policies to be automated so that they can reduce the manual work and personnel cost of running their networks.
They also want to quickly deploy and run new applications within and top of their networks so that they can deliver business results. And all these are desired to be done in a way that allows them to introduce these new capabilities without disrupting their business.
Muglia says, This is a tall order but SDN has the promise to deliver solutions to these challenges. How can SDN do this? To decode and understand SDN, we must look inside networking software. From this understanding, we can derive the principles for fixing the problems. This is what SDN is all about.
The six principles of SDN that can benefit customers include:
- Cleanly separate networking software into four layers (planes): Management, Services, Control, and Forwarding - providing the architectural underpinning to optimize each plane within the network.
- Centralize the appropriate aspects of the Management, Services and Control planes to simplify network design and lower operating costs.
- Use the Cloud for elastic scale and flexible deployment, enabling usage-based pricing to reduce time to service and correlate cost based on value.
- Create a platform for network applications, services, and integration into management systems, enabling new business solutions.
- Standardize protocols for interoperable, heterogeneous support across vendors, providing choice and lowering cost.
- Broadly apply SDN principles to all networking and network services including security - from the data center and enterprise campus to the mobile and wireline networks used by service providers.
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