Cloud-First methodology offers a model by which a company can feel safe in choosing cloud services as its first choice for the development of web applications.
Development of web applications using cloud infrastructure has far greater benefits in terms of scalability, enhanced robustness and faster development time compared with dedicated infrastructure.
Working with customers on complex web application development over the years, has led us to identify the major obstacle for the complete adoption of cloud services, resources and infrastructure. This obstacle is a fear of being locked to a specific cloud vendor and the belief that moving from this vendor can take an unpredictable length of time and may result in unpredictable costs.
The Cloud-First methodology key concepts are:
Nowadays, cloud infrastructure providers offer the richest set of managed development infrastructure services for web application developers. These include web servers, database servers, queue systems, repositories and more.
It is well known that achieving high availability performance is hard and costly, in terms of hardware, administration and development costs. Hence, it is extremely difficult to match the infrastructure performance, uptime, robustness and scalability offered by the cloud infrastructure services.
Therefore, the cornerstone of Cloud-First methodology is to always prefer using cloud infrastructure services over dedicated resources.
- Always look for a cloud managed service, preferably one offered by the cloud provider you already use;
- Prefer using infrastructure services based on well-known and common protocols over vendor proprietary protocols;
- In case your cloud infrastructure provider does not offer the required service, look for managed web services providing the required service;
- Immediately plan on going off-the-cloud – plan on when and how you should go off-the-cloud to your own dedicated infrastructure for the same service. Having a concrete porting plan in place, accompanied by performance and cost indicators ensures that you will be triggered to go off-the-cloud when you need to do so;
The Cloud-First development process is a continuous process of utilizing cloud infrastructure services and monitoring them. In case a key performance or cost indicator for a managed cloud service is triggered, a porting plan to a dedicated infrastructure deployment is executed.
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