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Guest View: 2014 is Year of SDN

Gary Newbold | Dec. 16, 2013
The pace of evolving network technology is set to accelerate in 2014, says Gary Newbold, Vice President, Asia Pacific and Japan, Extreme Networks. Here, he takes a look at networking trends during 2013 and checks his crystal ball to see what 2014 holds.

Year 2013 was marked by expansion and increasing complexity in networks as two key trends saw broad adoption in the enterprise: cloud-hosted applications and bring-your-own-device (BYOD) support to embrace and accelerate enterprise mobility strategies.

Both of these movements reached maturity for IT departments and accelerated the pace of change for end users, making users and IT staff alike more efficient and effective. 

Confidence in emerging technology stems from buyer understanding of the problems being resolved, which results from vendors demonstrating mature technology and business outcomes.

The reasons that cloud and BYOD had such a successful year in 2013 were underpinned by supporting technology and network readiness, and also by IT professionals' ability to support the underlying infrastructure.

For cloud-hosted applications, the service providers have built their networks efficiently to scale using 10Gbe technology and network virtualisation to decrease costs. Then they selected the applications that were standardised the most for delivery over the cloud, giving customers the choice of a small selection of standardised services and applications that worked for outsourcing yet avoided risking too much of their business on a network they did not operate and maintain.

For BYOD, the situation was dramatically different as immense pressure came from users to add their smartphones and tablets to the enterprise network to become more efficient and to create the same experience that they are used outside of the enterprise. This drove both vendors and IT departments to provide access control and identity management solutions within the network infrastructure. Also, larger WiFi redesigns took place to accommodate the explosive growth of new devices on the network.

The success of this trend meant that the burden of security and network authentication moved away from PC operating systems and demanded a network-centric approach. The resulting high volume deployment has delivered increased flexibility for users and created a path towards a future in which all devices are supported.

2014—Year of SDN
SDN (software-defined network) remains the subject of debate as we close the year and brings a number of challenges and opportunities. Clearly, SDN has the potential to revolutionise enterprise networks by providing a, so far, unmatched level of agility, innovation and also automation that reduces the complexity and cost of network administration dramatically.

Vendors are in a race to demonstrate support for applications, while the debate continues with respect to the protocols and standards that should be leveraged to deploy an SDN solution. It has turned out that there is no single SDN architecture that fits all needs in the market, so the SDN market is breaking up and aligning to the demands of the enterprise; the cloud data centre providers and the service providers as well as the High Performance Computing (HPC) and research markets. 


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