How software-defined networking pulls the strings of multicloud
Without automation or application-level network and security policies, complex multicloud networks would collapse, writes Hussein Khazaal, VP of Marketing & Partnerships at Nuage Networks
The multicloud world has well and truly arrived. Organisations today make use of multiple public clouds such as AWS, GCE and Microsoft Azure as well as many cloud base services (e.g. SaaS, IaaS), and they are using these in addition to on-premises workloads and applications that run in private clouds hosted in one or more data centres. However, with this transformation, networking and the security of the network in a multicloud environment become more complex and a significant challenge.
It all began with firms augmenting their on-premises private clouds with a small presence in public cloud, either for experimental projects or to absorb seasonal spikes in business demand that could not justify CapEx spend but that was conducive to an OpEx model.
Some of these initial use cases required zero or limited con….