Gartner Reference Model For Paas Pdf 17

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Gartner Reference Model for PaaS: A Comprehensive Overview

Platform-as-a-service (PaaS) is a cloud computing model that provides developers with a platform to create and deploy applications without having to manage the underlying infrastructure. PaaS offerings differ in their functional completeness and degree of "cloudiness", meaning how well they leverage the cloud-native characteristics of scalability, elasticity, self-service, automation, and pay-per-use.

To help users evaluate and compare different PaaS offerings, Gartner has developed a reference model that defines the core components and fundamental architecture of a comprehensive PaaS implementation. The Gartner Reference Model for PaaS was first published in 2011 and has been updated several times since then to reflect the evolution of the market and technology.

In this article, we will explain what the Gartner Reference Model for PaaS is, why it matters, and how it can help you achieve your business goals.

What is the Gartner Reference Model for PaaS?

The Gartner Reference Model for PaaS is a conceptual framework that describes the essential capabilities and features of a complete PaaS solution. It is not a prescriptive blueprint or a product specification, but rather a tool to help users understand the scope and diversity of PaaS offerings and identify the best fit for their needs.

The Gartner Reference Model for PaaS consists of four main layers:

Cloud-enabled application platform (CEAP): This is the core layer of the model, where developers build and run applications using various programming languages, frameworks, tools, and services. The CEAP layer supports multiple application types, such as web, mobile, social, business process management (BPM), event processing, analytics, and integration. The CEAP layer also provides common services such as identity management, security, monitoring, logging, backup, and recovery.

Cloud-enabled application infrastructure (CEAI): This is the layer that provides the runtime environment for the applications built on the CEAP layer. The CEAI layer includes various types of containers, such as virtual machines (VMs), containers, serverless functions, or application servers. The CEAI layer also provides services such as load balancing, scaling, orchestration, networking, storage, and database.

Cloud-enabled system infrastructure (CESI): This is the layer that provides the physical or virtual infrastructure for the CEAI layer. The CESI layer includes servers, storage devices, network devices, hypervisors, operating systems, and middleware. The CESI layer can be hosted on-premises or on a public cloud provider.

Cloud management platform (CMP): This is the layer that provides the tools and services to manage and operate the entire PaaS stack. The CMP layer includes capabilities such as provisioning, configuration, automation, governance, metering, billing, auditing, reporting, and analytics.

The Gartner Reference Model for PaaS also defines several cross-cutting aspects that apply to all layers of the model:

Cloud characteristics: These are the features that distinguish a true cloud service from a traditional IT service. They include scalability, elasticity, self-service, automation, and pay-per-use.

Service levels: These are the metrics that measure the quality and performance of a cloud service. They include availability, reliability, responsiveness, throughput, capacity,

Service models: These are the different ways that a cloud service can be delivered and consumed. They include software-as-a-service (SaaS), platform-as-a-service (PaaS), infrastructure-as-a-service (IaaS), and anything-as-a-service (XaaS).

Deployment models: These are the different options for where a cloud service can be hosted and who can access it. They include public cloud, private cloud, hybrid cloud, and community cloud.

Integration models: These are the different approaches for how a cloud service can be integrated with other cloud or on-premises services. They include cloud-to-cloud integration, cloud-to-on-premises integration, and hybrid integration.

Why does the Gartner Reference Model for PaaS matter?

The Gartner Reference Model for PaaS matters because it helps users navigate the complex and dynamic PaaS market and make informed decisions. By using the model, users can:

Understand the scope and diversity of PaaS offerings: The model provides a comprehensive and consistent view of what constitutes a PaaS solution and how it differs from other cloud services. The model also highlights the various types of applications and services that can be built and delivered on PaaS.

Evaluate and compare different PaaS offerings: The model provides a common language and criteria to assess the strengths and weaknesses of different PaaS providers and products. The model also helps users identify the gaps and overlaps between different PaaS offerings and determine the best fit for their requirements.

Plan and implement a PaaS strategy: The model provides a roadmap and guidance to help users design and execute a successful PaaS initiative. The model also helps users align their PaaS strategy with their business goals and IT architecture.

How can the Gartner Reference Model for PaaS help you achieve your business goals?

The Gartner Reference Model for PaaS can help you achieve your business goals by enabling you to leverage the benefits of PaaS for your application development and delivery. Some of the benefits of PaaS include:

Faster time to market: PaaS allows you to develop and deploy applications faster by providing you with ready-to-use platforms, tools, and services. You can focus on your core business logic and functionality instead of spending time on managing infrastructure, middleware, or software licenses.

Lower costs: PaaS reduces your capital and operational expenses by eliminating or minimizing the need for hardware, software, maintenance, or upgrades. You can also benefit from the pay-per-use pricing model of PaaS, where you only pay for what you use.

Greater scalability and elasticity: PaaS enables you to scale your applications up or down according to your demand without having to worry about provisioning or deprovisioning resources. You can also take advantage of the elasticity of PaaS, where your applications can automatically adjust to changing workloads.

Better quality and reliability: PaaS improves the quality and reliability of your applications by providing you with standardized platforms, tools, and services that are tested, updated, and monitored by the PaaS provider. You can also leverage the high availability, fault tolerance, backup, and recovery features of PaaS.

More innovation and differentiation: PaaS enables you to innovate and differentiate your applications by giving you access to a wide range of technologies, frameworks, languages, libraries, APIs, and services that are constantly evolving. You can also integrate your applications with other cloud or on-premises services to create new value propositions.

How to use the Gartner Reference Model for PaaS?

The Gartner Reference Model for PaaS can be used in different ways depending on your role and objective. Here are some examples of how you can use the model:

If you are a PaaS user: You can use the model to evaluate and compare different PaaS offerings based on their functional completeness, cloud characteristics, service levels, service models, deployment models, and integration models. You can also use the model to identify your PaaS requirements and select the best PaaS solution for your application development and delivery needs.

If you are a PaaS provider: You can use the model to benchmark your PaaS offering against the market and identify your strengths and weaknesses. You can also use the model to design and improve your PaaS offering by adding or enhancing the capabilities and features that are relevant for your target market and customers.

If you are a PaaS analyst or consultant: You can use the model to conduct market research and analysis on the PaaS landscape and trends. You can also use the model to provide guidance and recommendations to your clients on how to leverage PaaS for their business goals.

Where can you find more information about the Gartner Reference Model for PaaS?

If you want to learn more about the Gartner Reference Model for PaaS, you can access the full research report by Gartner. The report provides a detailed explanation of the model, its components, its evolution, and its applications. The report also includes several examples of how different PaaS offerings map to the model.

You can find the report on the Gartner website by searching for "Gartner Reference Model for PaaS" or by using this link: https://www.gartner.com/en/documents/1807820. The report is available for purchase or for free if you are a Gartner client.

Conclusion

PaaS is a cloud computing model that provides developers with a platform to create and deploy applications without having to manage the underlying infrastructure. PaaS offers many benefits, such as faster time to market, lower costs, greater scalability and elasticity, better quality and reliability, and more innovation and differentiation.

However, not all PaaS offerings are the same. They vary in their functional completeness and degree of "cloudiness", as well as their service levels, service models, deployment models, and integration models. To help users navigate the complex and dynamic PaaS market and make informed decisions, Gartner has developed a reference model that defines the core components and fundamental architecture of a comprehensive PaaS implementation.

The Gartner Reference Model for PaaS can be used by different roles and objectives, such as PaaS users, providers, analysts, or consultants. The model can help users understand the scope and diversity of PaaS offerings, evaluate and compare different PaaS offerings, plan and implement a PaaS strategy, and achieve their business goals.

If you want to learn more about the Gartner Reference Model for PaaS, you can access the full research report by Gartner on their website. The report provides a detailed explanation of the model, its components, its evolution, and its applications. The report also includes several examples of how different PaaS offerings map to the model.

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