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Senin, 05 Desember 2016

Cloud Platform as a service PaaS

Cloud Platform as a service PaaS - Platform as a service (PaaS) is a cloud-based computing environment designed to support the rapid development, running and management of applications. It is integrated and abstracted from the lower-level infrastructure components. The capability provided to the consumer is to deploy onto the cloud  infrastructure consumer-created or acquired applications created using programming languages, libraries, services, and tools supported by the provider. The consumer does not manage or control the underlying cloud infrastructure including network, servers, operating systems, or storage, but has control over the deployed applications and possibly configuration settings for the application-hosting environment.

Enterprise PaaS provides line-of-business software developers a self-service portal for managing computing infrastructure from centralized IT operations and the platforms that are installed on top of the hardware. The enterprise PaaS can be delivered through a hybrid model that uses both public IaaS and on-premise infrastructure or as a pure private PaaS that only uses the latter. The infrastructure and applications are managed for customers and support is available. Services are constantly updated, with existing features upgraded and additional features added. PaaS providers can assist developers from the conception of their original ideas to the creation of applications, and through to testing and deployment. This is all achieved in a managed mechanism.

Similar to the way in which you might create macros in Excel, PaaS allows you to create applications using software components that are built into the PaaS (middleware). Applications using PaaS inherit cloud characteristic such as scalability, high-availability, multi-tenancy, SaaS enablement, and more. Enterprises benefit from PaaS because it reduces the amount of coding necessary, automates business policy, and helps migrate apps to hybrid model. For the needs of enterprises and other organizations, Apprenda is one provider of a private cloud PaaS for .NET and Java.

Below are some of the benefits of PaaS to application developers:
 
They don’t have to invest in physical infrastructure : being able to ‘rent’ virtual infrastructure has both cost benefits and practical benefits. They don’t need to purchase hardware themselves or employ the expertise to manage it. This leaves them free to focus on the development of applications. What’s more, clients will only need to rent the resources they need rather than invest in fixed, unused and therefore wasted capacity.

Quick testing and deployment : With PaaS, development teams can try different configurations, multiple machines and different locations, to run stress tests and assess performance, compatibility, and response in ways that are impossible in a local environment. With quick testing of applications, deployment too becomes faster.

Dynamic allocation : In today’s competitive market, IT teams need to have the flexibility to quickly test and put a new feature of an application or a new service on the market; or test these on a small section of clients before making them available to the entire world. With PaaS and cloud computing, such tasks have now become possible.

 Increased focus on business and boost to internal entrepreneurship : As companies no longer need to expend effort on the maintenance and choice of systems, they can focus more on their core business. With PaaS, quicker development and deployment of infrastructure on line is possible, which in turn can empower visionaries and give internal entrepreneurship a boost. After all, by setting aside a specific sum under the cloud budget, companies can let their IT teams experiment with cloud computing resources, and see what innovative ideas they can come up with.

Makes development possible for ‘non-experts’ : with some PaaS offerings anyone can develop an application. They can simply do this through their web browser utilising one-click functionality. Salient examples of this are one-click blog software installs such as WordPress.
    
Flexibility : customers can have control over the tools that are installed within their platforms and can create a platform that suits their specific requirements. They can ‘pick and choose’ the features they feel are necessary.
Efficiently manage the application lifecycle : PaaS provides all of the capabilities that you need to support the complete web application lifecycle: building, testing, deploying, managing, and updating within the same integrated environment.

Adaptability : Features can be changed if circumstances dictate that they should. Teams in various locations can work together; as an internet connection and web browser are all that is required, developers spread across several locations can work together on the same application build.
    
Security : security is provided, including data security and backup and recovery.

A PaaS offering supplies an operating environment for developing applications. In other words, it provides the architecture as well as the overall infrastructure to support application development. This includes networking, storage, software support and management services. PaaS helps businesses to minimize operational costs and increase productivity through a quicker time to market. There is tremendous cost and time savings to be had with a PaaS approach, and with the right strategy. It is therefore ideal for the development of new applications that are intended for the web as well as mobile devices and PCs.

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