Hello Folks, Welcome back to Learnizo Global. As the cloud becomes the dominant environment for applications, the production process has changed accordingly. New cloud-native applications are built by cross-functional teams of developers and operators, called DevOps. Each team tackles a small part of an application to develop and maintain. This decreases distractions and improves the quality of work. Team members can also teach best practices in their specific fields to increase understanding and make a smoother production cycle. <\/p>\n\n\n\n

Businesses must deliver application improvements and respond to problems faster to satisfy end-users. The traditional approach to patching or updating a monolithic application takes too long and can cause lost revenue.<\/p>\n\n\n\n

What is Cloud Native<\/strong>?<\/p>\n\n\n\n

Cloud-native applications and services differ from their legacy counterparts because they are specifically designed for the cloud from day one. They can be deployed and fixed faster, have a more fluid architecture, and can be placed and moved through different environments easily. Many organizations are adapting their legacy applications that were built before the cloud to have cloud-native characteristics.<\/p>\n\n\n\n

There are two ways to look at the term \u201ccloud-native.\u201d It can mean an approach to building applications and services specifically for the cloud. It can also describe the characteristics of those applications and services.<\/p>\n\n\n\n

Cloud-native applications tend to be developed to run in containers and are deployed as a collection of microservices (the individual functions within an application). They also have continuous integration and a continuous delivery development system.<\/p>\n\n\n\n

Containers and Microservices<\/strong><\/p>\n\n\n\n

Cloud-native applications are typically made up of microservices packaged in containers. Those microservices are treated independently of each other by developers so that they can focus on the fundamentals of a microservice to program a specialized functionality.<\/p>\n\n\n\n

The microservices run in containers that are managed by platforms such as Kubernetes. The essence of containers is performing a single task. Red Hat published the white paper \u201cPrinciples of Container-Based Application Design\u201d in 2017 that included the single concern principle (SCP). This said that \u201cevery container should address a single concern and do it well.\u201d<\/p>\n\n\n\n

Microservices go well with containers because both are made with the intention to do one thing. The isolation inherent to containers also means updates to an application can target only a handful of microservices, and not one large release to update everything in the application. This means that problems and bugs that are in an application can be detected and resolved faster and with greater specificity.<\/p>\n\n\n\n

Continuous Integration\/Continuous Delivery Development System (CI\/CD)<\/strong><\/p>\n\n\n\n

Microservices architecture and container infrastructure of cloud-native applications mean IT departments can quickly identify a problem and fix it without affecting the whole system. This is opposed to traditional application development where updates were a total overhaul of the software.<\/p>\n\n\n\n

The system of constantly fixing bugs and deploying updates is referred to as continuous integration and continuous delivery (CI\/CD). To facilitate it, software development and IT operations groups are often combined into smaller DevOps teams.<\/p>\n\n\n\n

Cloud-Native as a Design Approach<\/strong><\/p>\n\n\n\n

It is common to have cloud-native applications built out of microservices packaged in containers. Microservices make for faster development cycles because small teams can work on the specific functions an application requires. Containers allow those microservices to be easily transportable between clouds and allow companies to update select microservices instead of their whole application.<\/p>\n\n\n\n

The increased efficiency around using containers and microservices allows for a continuous integration and continuous delivery (CI\/CD) pipeline of production. The CI\/CD approach is being adopted by companies and startups as they shift focus to cloud-native principles. It is the idea of constantly integrating changes to the code and deploying those fixes as updates. CI\/CD is commonly associated with DevOps, an approach that brings together developers and IT operators into relatively small teams.<\/p>\n\n\n\n

Cloud-Native as a Descriptor<\/strong><\/p>\n\n\n\n

Cloud-native can be an adjective for applications and services that have been specifically designed for the cloud from day one. They can be fixed faster, moved between clouds easier, and have a more fluid architecture.<\/p>\n\n\n\n

Cloud-native can be an adjective for applications and services that have been specifically designed for the cloud from day one. They can be fixed faster, moved between clouds easier, and have a more fluid architecture.<\/p>\n\n\n\n

Cloud-native services, however, are stuck to a specific cloud because they connect applications to the cloud itself. These services need to be built to serve an array of applications because any cloud-native application can exist on any cloud. This type of service should not be confused with microservices. Microservices are what create the many functions within an application.<\/p>\n\n\n\n

Cloud-Native Applications and Services<\/strong><\/p>\n\n\n\n

There is a very simple distinction between regular applications and services. Applications are programs that humans access. Services are programs that humans can\u2019t access, operating in the backend to keep things running smoothly.<\/p>\n\n\n\n

When it comes to cloud-native applications, developers are concerned with the effect the user experience has on the user\u2019s needs. Cloud-native services must be able to serve an array of applications.<\/p>\n\n\n\n

Cloud-native applications need to be portable \u2014 which is where containers come in \u2014 and not be reliant on any specific cloud\u2019s APIs. On the other hand, cloud-native services may be dependent on the cloud provider\u2019s platform, because they are how applications access what the cloud platform has to offer.<\/p>\n\n\n\n

The cloud-native approach to building applications and services seems to be where things are heading. Organizations are trying to move their legacy applications to the cloud, while startups are embracing cloud-native and DevOps approaches from the outset. The adaptable characteristics inherent to the cloud-native approach make it appealing to companies new and old. The cloud-native approach has changed the way apps and services are built (microservice architecture, container-based infrastructure), but that is evolving. The more impactful change is in the development process that has affected the way IT departments look and function dramatically.<\/p>\n\n\n\n

We shall further explore cloud-native technology and platforms in our coming articles. For now, stay safe and happy learning with Learnizo Global.<\/p>\n\n\n\n

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