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Tag - SDN


Software Defined Wide Area Networks

MPLS, the core networking technology for all most all organisations, is transforming rapidly.  An MPLS network, internal data centres and strong firewalls to keep the private network secure from the public Internet, is a model that no longer works for many organisations. MPLS is being impacted by a series of challenges: The Internet – The …


What is Network Function Virtualisation NFV and does it save money?

There has been a lot of talk recently about the best way to simplify network operations, from path control to orchestration to overall visibility and flexibility. Network Function Virtualisation NFV is an initiative to virtualise the network services that are now being carried out by proprietary, dedicated hardware. If successful, NFV will decrease the amount …


What is an SDN?

What is it? Software-Defined Networking (SDN) is an umbrella term for an emerging networking architecture that is dynamic, manageable and adaptable. SDN seeks to address network inefficiencies by creating a centralised management service to manage network operations. The concept holds significant promise to meet the changing demand requirements of today’s business environment. How does it …