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Health And Medical

eHealth NSW develops cloud infrastructure to scale apps deployment

eHealth NSW, the digital organisation of NSW Health, is currently developing and deploying clinical applications through its cloud architecture developed together with hyperscale providers ASW and Microsoft Azure.

Through this partnership, it had been in a position to deploy cloud-optimised and fully automated Enterprise Patient Repository and Electronic TEETH’S HEALTH Record on AWS and directory management software Quest Active Tools on Azure.


Automation was a “major objective” for eHealth NSW make it possible for rapid infrastructure scaling in reaction to COVID-19. It raised its speed of deployment “from the six-week average [period] right down to 1 day.”

“We leveraged infrastructure as code so we’re able to automate the deployment and management of 90% of our apps in scope,” explained Cloud Refresh programme manager Daniel Hansen.

For approximately 1 / 2 of their apps, autoscale was also implemented to help ease management overhead, scrapping the necessity for an operator to continuously monitor a system’s performance and choose adding or removing resources.

“Vendor software was also useful for automation. We leveraged relational database services and micro-segmentation using Azure Network Security Groups and cloud-native load balancers across all of the apps,” Hansen added.


The development of eHealth NSW’s cloud architecture is section of its ongoing Critical Infrastructure Refresh Program which aims to modernise legacy systems to aid essential healthcare services and make the most of new cloud capabilities, such as for example AI, machine learning, and data analytics.

Within this programme, the organisation built and launched this past year a self-managed cloud solution, which includes underpinned NSW Health’s virtual reaction to the pandemic by facilitating virtual care and remote work.

The Cloud Refresh programme, which were only available in 2019, will run until June 2025.


“This wasnt a cloud migration lift and shift,” said Farhoud Salimi, executive director of eHealth NSW Service Delivery, about their cloud infrastructure development.

“It had been a transformation where we developed new intellectual property for these apps to focus on the cloud. We not merely transformed the apps but changed our method of working. We worked closely with this app vendors and cloud partners to co-design and rebuild our critical clinical apps directly after we upskilled and restructured our people into cross-functional DevOps teams.”

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