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#1 Posted : Tuesday, 26 February 2019 9:35:12 PM(UTC)

Rank: Newbie


Groups: CoachingProfessional
Joined: 12/02/2019(UTC)
Posts: 2

There are many cloud computing platforms offered by different organizations. Windows Azure is one of them, provided by
Microsoft. Azure can be described as the managed data centers used to create, deploy, manage applications and provide services through a global network. The services provided by Microsoft Azure are PaaS and IaaS. Many programming languages ??and frames are supported by it.
Azure as PaaS (Platform as a Service)
As the name implies, a platform is provided to customers to develop and implement software. Customers can focus on developing applications instead of having to worry about hardware and infrastructure. It also handles most operating system, server and network problems.
• The general cost is low, since the resources are assigned on demand and the servers are updated automatically.
• It is less vulnerable since servers are updated automatically and all known security issues are verified. The entire process is not visible to the developer and, therefore, does not represent a risk of data breach.
• Since the Azure team has tested the new versions of the development tools, developers find it easy to move to the new tools. This also helps developers to meet customer demand by quickly adapting to new versions.
• There are portability problems with the use of PaaS. There may be a different environment in Azure, so the application must adapt accordingly.

Azure as IaaS (Infrastructure as a service)
It is a managed IT service that provides full control of the operating systems and stack of the application platform to application developers. It allows the user to access, manage and monitor the data centers by themselves.
• This is ideal for the application where complete control is required. The virtual machine can be fully adapted to the requirements of the organization or company.
• IaaS facilitates very efficient design time portability. This means that the application can be migrated to Windows Azure without returning to work. All dependencies of the application, such as the database, can also be migrated to Azure.
• IaaS allows the rapid transition of services to the clouds, which helps suppliers to offer services to their customers easily. This also helps suppliers to expand their business by selling software or existing services in new markets.

• Since users have complete control, they are tempted to stick to a particular version for the dependencies of the application. It can be difficult to migrate the application to future versions.
• There are many factors that increase the cost of your operation. For example, a greater maintenance of the server to patch and update the software.
• There are many security risks of unpatched servers. Some companies have well-defined processes to test and update local servers to detect security vulnerabilities. These processes should be extended to IaaS virtual machines hosted in the cloud to mitigate piracy risks.
• Unpatched servers represent a great security risk. Unlike PaaS, there is no provision for automatic server patches in IaaS. An unpatched server with confidential information can be very vulnerable and affect the entire business of an organization.
• It is difficult to maintain inherited applications in Iaas. It can clog with the previous version of operating systems and application stacks. In this way, applications are obtained that are difficult to maintain and add new functions over time.
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