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How Software Defined Networking Can Redefine Your IT Infrastructure

In an SDN, an administrator can remotely control traffic from a centralized virtual console

Software defined networking (SDN) has been in the spotlight since its conception in recent years because of the revolutionary potential that this emergent technology has for the future of IT networking. SDN is like a testament to the changing times. It is a confluence of several of the most significant trends in computing and networking at present; namely, the virtualization driven efficiency, combined with the freedom of API driven software, and the increasing obsolescence of hardware as a deployment requirement due to rising costs and complexity.

That last point has been driving the industry to look for more software-driven approaches in recent years. And with increasing potential of virtualization technologies and cloud computing, SDN has come largely into prominence. SDN essentially takes away the necessity of manually having to configure network hardware by creating virtual services for such lower level function via abstraction. In a conventional network, the proprietary firmware switch controls the destination of packet data. In enterprise level, smart switches with ASICs have a dynamic recognition capability that comes at an often steep price.

In an SDN, an administrator can remotely control traffic from a centralized virtual console without ever having to touch individual firmware switches. In this era of virtualization and cloud computing where the administrators are often separated from the actual firmware due to remote networking capabilities, depending on the archaic system of firmware switches, firmware switches can prove to be counterproductive. This is why there has been increased interest in SDN technologies as well as companies like XSigo and Nicira, which specialize in developing SDN related software.

oracle xsigo

This is a technology that has often been labeled as “Cisco Killer” because of its potential ability to reduce the significance of the firmware in network administration to a great extent. With SDN, network administrators will be able to support switching fabrics across hardware architectures, irrespective of their vendors or individual ASICs. And with its centralized control console, administrators will have higher levels of control over data and traffic flows. Especially in a multi-tenant cloud computing architecture like what is seen at present, extremely complex and high volume traffic loads can be more effectively managed by network administrators with SDN.  It is a small wonder, therefore, that companies like XSigo have been rapidly acquired by IT behemoths like Oracle, because of the potential that this SDN technology holds for the future.  

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Unitiv, Inc., is a professional provider of enterprise IT solutions. Unitiv delivers its services from its headquarters in Alpharetta, Georgia, USA, and its regional office in Iselin, New Jersey, USA. Unitiv provides a strategic approach to its service delivery, focusing on three core components: People, Products, and Processes. The People to advise and support customers. The Products to design and build solutions. The Processes to govern and manage post-implementation operations.