Intelligent Data Centres Issue 11 | Page 30

EDITOR’S QUESTION In addition, when choosing a cloud provider, businesses should ensure that they are ‘enterprise ready’ – to enable them to move to the cloud with confidence. Suitable cloud providers will have industry recognised certifications and will be able to evidence their credibility by providing availability, performance and security metrics when requested. Cloud services should be subject to strict penalty backed SLAs. Organisations should also be aware of the hidden costs associated with some hyperscale cloud providers, e.g. ingress and egress over Internet and between regions, disk IO charges, etc., in order to avoid unpleasant bill shocks at month end. Predictable billing is important for budgeting. ANDREW CRUISE, MANAGING DIRECTOR, ROUTED ybrid IT methodologies allow enterprises to span their IT estate across private and public clouds with a consistent user experience. This consistent experience is typically achieved by being able to use the same development, administration and management software(s) across cloud infrastructures. Public cloud providers should at a minimum easily enable the use of this software on their infrastructure and preferably have integrations and extensions with industry standard PaaS (Platform-as- a-Service) tools such as Kubernetes. H Although the explicit requirement for seamless hybrid integration is a homogeneous set of software tools, realistically applications which reside on owned infrastructure are not yet cloud- 30 Issue 11 Lastly, it is evident that compliance and data sovereignty concerns may well influence an enterprise’s decision on which cloud provider to utilise. Data locality requirements may compel the use of in-country providers only. native (i.e. cloud ready) and therefore the foundation for hybridity must start at the virtualisation layer – without a uniform hypervisor across environments the required mobility, scalability, elasticity and agility for current workloads cannot be achieved. And so, enterprises should match their owned infrastructure’s hypervisor to their chosen cloud. A further critical requirement is connectivity: true hybridity relies on a secure, reliable and performant connection between clouds. This is best achieved through Software Defined Networking, where networking functions are abstracted from underlying hardware facilitating secure, painless extension to public cloud. Organisations should carefully choose their cloud provider with these two key points in mind. HYBRID IT METHODOLOGIES ALLOW ENTERPRISES TO SPAN THEIR IT ESTATE ACROSS PRIVATE AND PUBLIC CLOUDS WITH A CONSISTENT USER EXPERIENCE. www.intelligentdatacentres.com