Software-defined wide area networking (SD-WAN) is a very hot topic. For enterprises, SD-WAN offers a way to cut up-front costs, but it may leave them open to longer-term support costs as well as issues with service assurance. For service providers, SD-WAN represents a threat to their traditional managed virtual private network (VPN) offerings but it also represents an opportunity to extend their reach and provide more flexible enterprise networking solutions ...
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Maybe you dodged the most recent massive data breach but have no doubt: malicious electronic attacks are escalating in sophistication, frequency and scale. Criminals are partnering with cyber experts in a kind of crime-as-a-service twist, and organizations with a political, social or moral ax to grind are hacking to influence and embarrass. Together these malicious groups are expertly combining old and new attack strategies while taking advantage of today’s highly dynamic network environments to steal our money, our secrets and our peace of mind ...
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Telco operators see many benefits to network functions virtualization (NFV). In short, the goal is to bring the advantages of the cloud to telco operators. One of the big benefits is the wide array of available support software, including Linux, Kernel-based Virtual Machine (KVM), Open vSwitch and OpenStack. These software packages provide a base of well-known functionality upon which operators can build innovative new virtualized services ...
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For this post, I met up with Christoph Glingener of ADVA Optical Networking to find out which innovations he believes are having the biggest impact, what he thinks are the barriers standing in the way of progress and what surprises him most about the networking industry ...
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Fiber is a great medium for connecting customers to communication networks. It’s transparent with low attenuation, huge bandwidth and signal distortions are minimal. You know all this. But many service provider don’t translate those characteristics into economic benefit, preferring to stick with a design practice inherited from copper-based networks. There is room for improvement ...
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