Cloud Resilience

Cloud Resilience

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Cloud computing refers to the provision of information technology remotely via the internet.  ‘Clouds’ provide anything from software applications to ‘raw’ computing and data storage services.

Cloud providers take responsibility for providing resilient systems (with redundancy and failover) as part of their offering.  This means that the people using the services don’t need to worry about hardware, network, updates or whether they need to use them.  The cloud will maintain a continuous service and high uptime availability.

EFA’s cloud-based model adds resilience to our service as well as allowing our software to work across many different platforms. We’ll ensure the overall system performs reliably with built-in load sharing and autoscaling to handle peaks in demand.  Multi-cloud platform deployment then allows for built-in disaster recovery so the solution has resiliencies end-to-end, which avoids “putting all the eggs in one basket”.

We also carry the same principles through to software development.  We do this by developing applications as components that sit in the EFA Cloud.  This means that we’ll be able to add and remove applications or reconfigure the way the whole system works.

By using public cloud platforms, software can run on very large scale infrastructure. Failover becomes simply a matter of moving our application stack from one instance to another.  Resiliency is then made easy by issuing commands and adding resources, which could be on a separate cloud platform.  A resilient cloud architecture ensures that communities can benefit from extremely high availability of EFA systems.

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