Information on Cloud-native Applications

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Information on Cloud-Native Applications
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Table of Contents

• 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

• Languages and Frameworks
• Application Programming Interface (API)
• Operating System
• Architecture and Platform
• Infrastructure
• Automation
• Resources

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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
  applications 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.

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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.

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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.

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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.

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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.

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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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• Whoa! Thats a big number, arent you
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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.

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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
  applications efficient life cycle management.

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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.

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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.

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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.

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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.

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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.

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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.

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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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