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The user is responsible for managing the operating systems, data and applications.  \n PaaS requires less user administration. The cloud provider manages the operating systems and the user is responsible for the applications and data they run and store.  \n SaaS requires the least amount of administration. The cloud provider is responsible for managing all elements and the end user simply uses the software.  \n© Technische Hochschule Rosenheim 4 / 58  \nIaaS  \nInfrastructure as a Service (IaaS) is a cloud computing offering in which a provider offers users access to IT resources such as servers, storage and network components. Companies can use their own platforms and applications in the service provider's infrastructure.  \n© Technische Hochschule Rosenheim 5 / 58  \nIaaS-Key Functions  \nInstead of buying hardware, users pay for IaaS on demand.  \n Companies save the cost of buying and maintaining their own hardware  \n No acquisition costs because they do not own their own servers  \n The infrastructure can be adapted to processing and storage requirements thanks to its scal ability.  \n Choice and scaling of rented hardware and OS  \n Pay-as-you-go: users only pay for what they use  \n Reliability of the infrastructure  \n As the data is located in the cloud, there is no single point of failure  \n Backups from the service provider  \n Availability outside your own network  \n© Technische Hochschule Rosenheim 6 / 58  \nPaaS  \nPlatform as a Service ( PaaS) is a cloud computing offering that provides users with a cloud environment in which they can develop, manage and deploy applications. In addition to storage and other IT resources, users can use a range of predefined tools to develop, customize and test their applications.  \nKey Functions:  \n Companies can concentrate on development without having to worry about the underlying infrastructure  \n No additional know-how required  \n Providers are responsible for managing security, operating systems, server software and backups  \n no additional management of OS etc.  \n© Technische Hochschule Rosenheim 7 / 58  \nSaaS  \nSoftware as a Service ( SaaS) is a cloud computing offering that gives users access to aprovider's software in the cloud. Users do not need to install applications on their local devices. Instead, the applications are located in a cloud network that can be accessed remotely via the web or an API.  \nKey Functions  \n Users do not have to manage, install or upgrade the software as the SaaS providers are responsible for managing these tasks  \n Data is secure in the cloud-a device failure does not result in data loss  \n Resource usage can be customized based on service requirements  \n© Technische Hochschule Rosenheim 8 / 58  \nLearning objectives  \nThe students...  \n ... know different architecture modelling languages  \n ... know various design tools  \n ... know different architectural styles  \n ... can name the advantages and disadvantages of different architectural styles  \nImage taken from [https://pixabay.com](https://pixabay.com)  \n© Technische Hochschule Rosenheim 9 / 58  \nLearning objectives  \nThe students...  \n ... are aware of different architecture modelling languages  \n ... have heard about various design tools  \n ... know different architectural styles  \n ... can name the advantages and disadvantages of different","cbCaiksge7FLBgM7","https://ap.wps.com/l/cbCaiksge7FLBgM7","pdf",2430793,58,"English","# Agenda for Today\n## Recap: Finalize IaaS, PaaS and SaaS\n## Architecture styles\n# IaaS\n## IaaS-Key Functions\n# PaaS\n## Key Functions\n# SaaS\n## Key Functions\n# Learning objectives","[{\"question\":\"What does IaaS provide, and who manages what?\",\"answer\":\"IaaS provides access to IT resources such as servers, storage, and network components. Users manage operating systems, data, and applications, while the provider offers the infrastructure.\"},{\"question\":\"How do PaaS responsibilities differ from IaaS?\",\"answer\":\"With PaaS, the cloud provider manages operating systems and underlying security and platform components. Users focus on developing, customizing, and deploying applications, with predefined tools available.\"},{\"question\":\"What are the key advantages of SaaS for end users?\",\"answer\":\"SaaS requires the least administration: users access the provider’s software remotely and do not install, manage, or upgrade applications locally. The provider is responsible for managing software and keeping data secure in the cloud.\"}]","Cloud Architectures (CA) - Module 02 - Cloud Architectures | PDF",1792964444,146]