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Cloud-native applications are applications that are developed by using technologies that are cloud-based and are managed in the cloud.
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Table of Contents • Languages and Frameworks • Application Programming Interface (API) • Operating System • Architecture and Platform • Infrastructure • Automation • Resources • Cloud-native Application • Cloud-native Development • Importance of Cloud-native Applications • Important Considerations for Cloud-native Applications • Benefits of Cloud-native Apps • The Main Features of Cloud-native Applications • Containers • Microservices
Cloud-Native Application • Cloud-native applications refer to collections of independent, small-sized, loosely coupled services, which are designed for enhancing the speed of building new applications along with optimizing the existing ones as well as for connecting all of these. The term “cloud-native” indicates anything that exists and runs in the cloud. • A cloud-native app is designed to ensure an experience across public, private and hybrid clouds that provides automated management and consistent development. Cloud computing serves the purpose of increasing scalability as well as the availability of apps. These benefits are delivered through resources’ on-demand provisioning and by enabling automation of an application’s life cycle. • To digress, cloud technology is used in cloud hosting for hosting a website. Cloud hosting is a web hosting service which makes websites accessible. This service is provided by web hosting service providers and the most popular web hosting companies are usually referred to as the “Best Cloud Hosting Company”, the “Linux Shared Web Hosting ” the “Best Windows Hosting Company” etc.
Cloud-native Development • Cloud-native development refers to an approach with regard to developing and updating apps swiftly along with improving the quality of apps and reducing risks. It is an approach that is associated with creating as well as running scalable and responsive apps that are fault-tolerant in private, public or hybrid clouds.
Importance of Cloud-native Applications Cloud-native applications are deployed to a platform that ensures hardware decoupling. The main reasons for cloud-native applications’ importance are- • Provides competitive edge- Companies that can develop and build applications quickly in response to requirements will gain a competitive edge. • Delivers greater flexibility- Cloud-native development enables enterprises to develop applications that can run on any private or public cloud without modification. It helps teams to run apps and services efficiently while averting cloud lock-in. • Ensures alignment of operations with business requirements- This does away with the risk that is associated with human error as the focus is on automation.
Important Considerations for Cloud-native Applications The following factors need to be ensured for maximising the gains from cloud native development. • Prioritizing workloads- Every application should not be considered for cloud-native. Technical feasibility, ROI and strategic importance should be determined prior to taking any decision. • Selecting between buying or building a platform- Building applications can get delayed due to component selection, deployment and integration. Hence, it is important to decide and choose between the options for building or buying a platform. • Standardizing the services and the platform- Developers need to standardize the services along with the platform.
Benefits of Cloud-Native Apps There are many benefits of cloud-native applications. These are mentioned below. • These apps scale as per requirement. • Cloud-native apps are modular and have functions which are broken down into microservices. • These apps do not rely on infrastructure. • These can run in a highly distributed manner. • The architecture of a cloud-native app enables developers to use a platform for abstracting away from the underlying dependencies of infrastructure. • The platform for such apps allocates as well as reallocates resources dynamically, depending on the ongoing requirements of a cloud-native application.
The Main Features of Cloud-native Applications • The key attributes of cloud-native applications are containers, microservices, languages and frameworks, APIs (Application Programming Interface), operating system, architecture and platform, infrastructure, automation and resources. These will be discussed in the next few slides.
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Containers • Cloud-native is associated with container-based environment and ensures scalability as well as innovation. Containers are key components in a cloud-native architecture. Cloud-native applications are collections of multiple independent services that are packaged as lightweight containers. These lightweight containers aid in deploying apps easily.
Microservices • Cloud-native apps consist of microservices which are capable of being seamlessly integrated into cloud environments. Microservices communicate via HTTP APIs. Each microservice can be deployed, scaled and upgraded independently. Moreover, decoupling aids developers in delivering top-notch functionality. Since each service is maintained independently, it ensures an application’s efficient life cycle management.
Languages and Frameworks • Cloud-native apps can comprehend several languages. It renders it easy to select different runtimes as well as language frameworks depending on the functionality of each service.
Application Programming Interface (API) • Cloud-native services use such Application Programming Interfaces which are based on protocols such as NATS or REST or gRPC etc. Communication in apps that are based on microservices can be managed seamlessly by APIs.
Operating System • Cloud-native apps are not dependent on, as well as are not biased towards any particular operating system. Cloud-native services need to be independent of servers and operating systems. Such apps are containerized and function at a high abstraction level.
Architecture and Platform • The cloud-native architecture ensures that platforms can be used by developers for abstracting away from dependencies that are related to infrastructure. Hence, the focus remains on software and not on patching or configuring or maintaining operating systems.
Infrastructure • The deployment of cloud-native apps happens on infrastructure that is shared, virtual and elastic. Such an infrastructure involves software as well as hardware that can run the apps efficiently. This infrastructure includes OS, deployment pipelines, data centers as well as systems and software that are required for supporting the apps. Cloud-native infrastructure that is effective ensures that enterprises have improved time to market and iterations.
Automation • Automation is an important requirement for managing large and complex apps. Cloud-native apps are usually automated to a high extent so that these can execute infrastructure as code. Hence, automation is important for making cloud-native possible.
Resources • Cloud-native apps adhere to policies that have to do with allocation of resources to services, storage quotas, CPU etc. Every department has access to as well as ownership of resources.
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