For individuals looking for a wide variety of capabilities and customization, service models such as IaaS, DaaS and PaaS are. Users of PaaS need some degree of technological knowledge to set up and use the products. Other examples of SaaS services are office tools (Office 365 and Google Docs), customer relationship management software (Salesforce), event management software (Planning. SaaS differs from both Infrastructure-as-a-Service (IaaS) and Platform-as-a-service (PaaS): In IaaS, a cloud computing service provides an organization access to computing resources such as servers, storage, and networking in the cloud. SaaS. Another key difference is that SaaS. IaaS is. The framework covers building, testing, deployment, management and updating of different software products, including OS, development tools. The workload responsibilities vary depending on whether the workload is hosted on Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS), or in an on-premises datacenter. Once a subscription to a SaaS solution is signed, the provider grants the. Businesses can use the IaaS model to shift some or all of their use of on-premises or collocated data center infrastructure to the cloud, where it is owned and managed by a cloud. IaaS is one of the four types of cloud services, along with software as a service ( SaaS ), platform as a service ( PaaS ), and serverless. Economize offers a comprehensive approach to cloud cost management. Similar to other “as a service. In case you need to hire cloud engineer for your projects, PeoplActive can bring you the perfect fit within 48 Hours. Which means services provided via a cloud server. IaaS provides virtualized resources, PaaS offers a platform for application development, and SaaS. The National Institute of Standards and Technology (NIST) recognizes three standard cloud computing models of as-a-service: Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS), and Software-as-a-Service (SaaS). Microsoft Azure, Heroku, and AWS Elastic Beanstalk are all examples of PaaS platforms. SaaS. IaaS can help organizations find efficiencies with hardware and facilities costs, but PaaS can further reduce administrative overhead and expand usage to less technical customers. DaaSIaaS vs PaaS vs SaaS: Use Cases and Examples. Microsoft Azure, Heroku, and AWS Elastic Beanstalk are all examples of PaaS platforms. This excludes ETL and BI. The examples below illustrate how SaaS, PaaS, and IaaS models are applied across different contexts, from email services to database management and data analytics. The result is incredibly flexible as the charges only include compute, storage, and network resources consumed. Once a problem is defined that an organization can address with a cloud computing solution, businesses can move towards crafting the right kind of cloud offering. An example is DaaS which stands for “database as a service”, and BaaS which stands for. Cost effective: Following up from the previous example, it’s extremely cost-effective, allowing you to operate on a monthly operational expense. Where the models differ is in the completeness of the product. IaaS is infrastructure hosted in the cloud. The services that can be offered by a cloud structure are basically three, to which two others can be added: DaaS and HaaS. SaaS, PaaS, and IaaS allow companies to enter the marketplace and grow without prohibitive costs for on-premise IT. 3%, followed by PaaS at 19. Vendor Interlock. Matching available DaaS solutions with a company’s existing virtual desktop needs is key to a successful implementation. IaaS vs. IaaS = Infrastructure as a service. In this case, clients undertake the. PaaS: When multiple developers need to work on a single project, PaaS is. The use of PAAS by developers. PaaS 모델에서 공급업체는 IaaS와 마찬가지로 모든 물리적 및 가상 핵심 인프라를 제공하고. PaaS vs. It is a component of the “as a service” offers that had gained popularity since the internet’s growth in the 1990s when software as a service ( SaaS) was first introduced. PaaS is a model which includes cloud resources and pre-installed tools for. SaaS users subscribe to an application rather than purchasing it once and installing it. Cloud service refers to a wide range of services delivered on demand to companies and customers over the internet. PaaS Examples. We’ve reached the bottom layer, the Infrastructure as a Service. they need from more than 200 SaaS, PaaS, and IaaS services. Platform as a Service (PaaS). Platform as a Service (PaaS) is a type of cloud computing service that provides developers with a ready-to-use environment and software development kits for building and deploying applications. Many kinds of IT resources or services are now delivered this way. DaaS must be sure to have a clear understanding of the advantages of cloud services over traditional, on-premises data centers. The cloud model has taken business by storm because of its convenience and cost-effectiveness. IaaS is a cloud computing infrastructure that provides compute, network, and storage resources over the internet, via a subscription model that can scale. Unlike the IaaS model, PaaS providers manage runtime, middleware, and operating systems. IaaS: Infrastructure as a service. That’s because most people use SaaS applications every day, whether they know it or not. PaaS (Platform as a Service) providers sell access to everything a customer would need to develop an app. With PaaS solutions, you control the application and data while the service provider manages the rest of the stack. Companies use PaaS to access development and deployment environments that are cloud-based, comprehensive, and cutting-edge. With IaaS, you have full control because you rent (not own) the infrastructure. It helps users to focus on app development. They simply work on different levels of the same structure. The overall management and storage of data is still left to the vendor. PaaS PaaS provides a foundation for entrepreneurs and business owners to create products on cloud-based infrastructure and sell them to the masses. Examples: Heroku, Google App Engine, Microsoft Azure App Service. A typical PaaS model encompasses the physical infrastructure, cloud applications, and a graphic user interface (GUI). The technical aspects of the service are fully managed by the provider. IaaS also “requires skill and competency. IaaS examples include Amazon EC2, Google Compute Engine, and Microsoft Azure Virtual Machines. PaaS. As for the offering of features, the three Amazon Web Services IaaS, PaaS, and SaaS are distinguished from each other in which: IaaS offers the highest flexibility for hosting custom-built apps, as well as a general data center. IaaS cung cấp đa dạng tùy chọn máy chủ. Pay-as-per-use model. PaaS (platform-as-a-service) is a form of cloud computing that enables software developers to build, run, and manage software applications easily. Each cloud service model covers different user and company needs, and provides a different level of control, security and scalability. IaaS allows users to develop, grow, and scale without buying and maintaining physical hardware. PaaS delivers infrastructure and middleware components in the cloud that enable developers and IT administrators to build and manage mobile apps and. 2M. PaaS (Platform as a Service) providers sell access to everything a customer would need to develop an app. The SaaS delivery model lets users access fully. IaaS provides on-demand quick provisioning of virtualized hardware infrastructure resources such as server, storage and network. →. IaaS means infrastructure as a service. All PaaS technologies are following the shared responsibility model, which is the only common characteristic between PaaS and other models—i. Dit heet dbPaaS. This means that organizations may use IaaS long term and apply it to. Differences between. SaaS. Infrastructure as a service (IaaS) is a cloud computing service model in which computing resources are hosted in a public cloud, private cloud, or hybrid cloud. The common examples for SaaS (Software as a service) are GoToMeeting, Salesforce, Dropbox, Google Workspace (formerly suite), Gmail, Cisco WebEx, SAP. Hubspot: used for sales, marketing and customer relationship management. In an on-premises datacenter, you own the whole stack. In the case of both PaaS and IaaS, delivery takes place over the. . Below are five such similarities between the two cloud-based business solutions. SaaS vendors also manage platforms, operating systems, and middleware. PaaS (Platform as a Service) providers sell access to everything a customer would need to develop an app. ; SaaS: Perfect for businesses or. Microsoft Azure is a good example for this. leasing hardware infrastructure, operating systems, and application programs to another organization. On the other hand, PaaS allows you to manage your data and applications only, and with SaaS, everything is managed by your service provider. The National Institute of Standards and Technology (NIST) recognizes three standard cloud computing models of as-a-service: Infrastructure-as-a-Service (IaaS), Platform-as-a-Service (PaaS), and Software-as-a-Service (SaaS). Broadly speaking, there are three categories of cloud computing models: software as a service (SaaS), platform as a service (PaaS), and infrastructure as a service (IaaS). Whereas users of IaaS need a definite level of technical knowledge that is highest among the three services. IaaS: Infrastructure as a Service. IaaS — a client gets only infrastructure, PaaS — a client gets infrastructure and software for application development, в SaaS — a client gets a ready-to-use application in the cloud. Windows Virtual Desktop, Citrix Workspace). PaaS examples. A data management method called data as a service (DaaS) intends to use data as a corporate asset for increased business agility. IaaS. SaaS examples include popular applications like Salesforce, Google Workspace, and Dropbox. Customers in software-as-a-service (SaaS) arrangements face complexity in determining the appropriate accounting under IFRS Standards for fees paid to the cloud service provider and related implementation costs. PaaS Examples. DaaS is a high-performing, secure, cost-effective type of desktop virtualization. Azure AD is a Software-as-a-Service (SaaS). Compare use cases, cost,. , SAP) offer to write new SaaS on demand. SaaS (Software as a Service):. Pathros 10. IaaS provides businesses with. IaaS enables end users to scale and shrink resources on an as-needed basis, reducing the need for high,. As their names imply, desktop as a service focuses on delivering a desktop, while software as a service focuses on applications. On the other hand, PaaS allows you to manage your data and applications only, and with SaaS, everything is managed by your service provider. However, there is another new service model named Desktop-as-a-Service. IaaS, PaaS and SaaS are the three most popular types of cloud service offerings. In addition to the services you get with IaaS, this offers services on Programming Languages, Database Services, etc. Cloud Service Models (SaaS, PaaS, IaaS, DaaS) 1. Therefore, to summarize, IaaS becomes the foundation for building a cloud-based service. Infrastructure as a service. SaaS, on the other hand, is a full package of ready-made software alongside the application itself. SaaS is the most expensive option and gives you the least control and. Note: Although this article clearly distinguishes SaaS, PaaS, and IaaS, the differences among these categories of cloud. Organizations can purchase as many virtual desktops as they want. Companies may use all three services or a combination to address their needs. Platform as a Service (PaaS) Platform as a service (PaaS) provides organizations with a complete cloud platform. The definition of cloud computing is the system of computer resources, infrastructure, computing power, and data storage that are available on-demand without user involvement. Mỗi một dịch vụ sẽ có các lợi ích. PaaS aims to provide an environment capable of fostering application development. IaaS is attractive because acquiring computing resources to run applications or store data the traditional way requires time and capital. These being services that operate in the PaaS model, we needed to rationalize/justify the fundamental differences in the PaaS model, relative to how people understood on-premises IT at the time. Nếu muốn tùy chỉnh, người dùng có thể lựa chọn sử dụng IaaS, PaaS hoặc DaaS với. SaaS vendors commonly host applications and data on their own servers and databases, or utilize the servers of a third-party cloud provider. It is one of the three fundamental cloud service. It vastly reduces development time and overall costs. PaaS and IaaS both include access to resources and infrastructure such as servers, storage and networking. You can use IaaS to request and configure the resources you require to run your applications and IT systems. Adobe , which licenses desktop and mobile apps for photography, video, design, is one of the world’s leading SaaS providers. IaaS, PaaS and SaaS each have strengths that make them the right choice for a given situation. You can use IaaS to request and configure the resources you require to run your applications and IT systems. Like PaaS and SaaS, IaaS offers access to its services. The rise of serverless PaaS. Just as SaaS removes the need to install and manage software locally, DaaS outsources most data storage, integration, and processing. The 7 Main Benefits of Platform-as-a-Service (PaaS) Among other benefits, PaaS allows users to: Get their products to market faster and gain a competitive edge. However, PaaS customers still get to manage data and applications—in contrast to the SaaS model, where customers don’t have to manage. g. Launch Year: 2009. To help, here's a breakdown of the top PaaS providers of 2023: 1. IaaS offers the central infrastructure with servers, networking, etc. Key Takeaways. 1. In a nutshell, PaaS gives users all the tools and infrastructure required to build the software that they want. DaaS and SaaS have several similarities, but they're ultimately more different than alike. You pay and eat what. Net als IaaS wordt PaaS geleverd vanuit de cloud. With infrastructure as a service, the cloud computing provider supplies and manages the physical infrastructure — the servers, storage and networking hardware — and the customer manages everything else, including the. Eenvoudig gesteld levert een externe partij alles wat nodig is om applicaties te ontwikkelen, inclusief de middleware. Pertama-tama, IaaS, atau infrastructure as a service, adalah sumber daya komputasi yang mampu mengakses dan memantau kinerja komputer, platform penyimpanan, jaringan,. Unlike the IaaS model, PaaS providers manage runtime, middleware, and operating systems. DaaS: Smaller businesses with a low budget and fewer resources usually benefit from DaaS. A layer on top of IAAS ( I nfrastructure A s A S ervice) Examples: Runtimes (like java runtimes), Databases (like mySql, Oracle), Web Servers (tomcat etc) SAAS ( S oftware A s A S ervice) : A layer on top on PAAS. PaaS requires a higher degree of technical expertise, as users need to. Windows Azure, OpenShift, Magento Commerce Cloud, Heroku, AWS Elastic Beanstalk, Apache Stratos, Force. PaaS incorporates further resources such as middleware, development tools, database. Actually, IaaS always also involves the renting of software, such as server virtualization software. Web access to the resources. PaaS examples include Microsoft Azure, Heroku, and AWS Elastic Beanstalk. An introduction. PaaS (Platform as a Service) providers sell access to everything a customer would need to develop an app. Cloud computing has enabled companies to access a number of services over the internet. PAAS give access to run time environment to deployment and development tools for application. PaaS databases help automate provisioning, configuration, scaling and other cluster management tasks. However, PaaS customers still get to manage data and applications—in contrast to the SaaS model, where customers don’t have to manage. PaaS can free your team from setting up and managing infrastructure, which they would need to do with IaaS. The Big Three: SaaS, IaaS, PaaS. Usage based pricing is a primary advantage of IaaS. b) Software as a Service (SaaS ) : It is sometimes called to as “on-demand software”. The software is then licensed as a service, typically via a subscription-based payment model. Cloud computing models को SPI (SaaS, PaaS, IaaS) मॉडल भी कहते है. To explore the differences between IaaS, PaaS, and SaaS, consider these terms under the umbrella of cloud computing and in the order in which we have described them. IaaS stands for Infrastructure as a Service. However, PaaS customers still get to manage data and applications—in contrast to the SaaS model, where customers don’t have to manage. It allows businesses to access the resources they need without depending on their own servers. IaaS is one of three main types of cloud services, along with software-as-a-service and platform-as-a-service . 1. It has fixed routes and combined rides but offers a convenient transportation facility. Before it existed, law firms were required to cover the upfront costs of funding their own IT infrastructure. SaaS vs. IaaS stands for ‘Infrastructure as-a-Service’, PaaS stands for ‘Platform as-a-Service’, and SaaS stands for ‘Software as-a-Service’. Hơn nữa, SaaS có ưu điểm cho phép ngay lập tức sử dụng phần mềm, nhưng khách hàng không được phép tùy chỉnh. The end-users of PaaS (Platform as a Service) in cloud computing are tech. 1. It’s an umbrella term covering anything that vendors supply to users on the cloud and enables remote access. It provides cloud space and computing software to the vendors for AWS application development. PaaS can free your team from setting up and managing infrastructure, which they would need to do with IaaS. Another key. e. See morePathros 10. Let’s consider some real-life examples. Like all "as a service" (aaS) technology, DaaS builds on the concept that its data product can be provided to the user. Let’s get started. सबसे उपरी लेयर में SaaS, दूसरी लेयर में PaaS तथा सबसे निचली लेयर में IaaS model होता है. Cloud service models, which include Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS), offer different levels of abstraction and control over underlying infrastructure and software, providing diverse options for organizations to build, deploy, and manage their applications via the cloud. Simultaneously, SaaS is like public transport. A good way to think about IaaS is as the foundation for creating a cloud-based service, such as software or an e-commerce website. On-demand scalability. This factors out networking, firewalls, related security, etc. Each has its own characteristics, pros and cons that can either be a. Dedicated servers are completely customizable, while IaaS plans offer standardization. BPaaS is also about intelligently consuming services from the SaaS, PaaS, and IaaS layers. 클라우드 스택 아래에서 SaaS의 다음 계층으로, 애플리케이션 및 서비스를 구축할 수 있는 플랫폼을 제공합니다. In addition to the platform, a PaaS solution also provides the capabilities of IaaS, while SaaS offers the capabilities of PaaS, along with software. IaaS vs PaaS. In order to fully grasp PaaS technology, it helps if you understand its relationship to the other two tiers—SaaS and IaaS. Software as a Service (SaaS) SaaS makes it to so Fortune 500 functionality is available for all businesses. Each has unique distinctions; here is a breakdown: IaaS is a virtualized infrastructure. All three models involve cloud providers that deliver their own hosted data centre resources to customers over the internet. PaaS. Whether you choose a SaaS, PaaS or IaaS solution will depend on your organization’s goals, requirements and resources. Infrastructure as a Service. Cloudways. Short video on IaaS, PaaS, SaaS on Cloud Computing. Unlike IaaS and PaaS, FaaS allows you to rent space to run functions independently. IaaS, PaaS and SaaS are the three main types of cloud computing available today. There are three primary types of PaaS: public PaaS, private PaaS, and hybrid PaaS. What is DBaaS? DBaaS (also known as managed database service) is a cloud computing service that lets users access and use a cloud database system without purchasing and setting up their own hardware, installing their own database software, or managing the database themselves (not to mention hiring the high-priced talent required to do so). The end-users of PaaS (Platform as a Service) in cloud computing are tech-geeks, developers. For example, even if you buy a server without an operating system, the server always comes. Start planning your hybrid cloud strategy. Iaas allows IT users to access resources over the internet. Other examples for user space service are WaaS , Dass. SaaS is one of the cloud service models along with IaaS (Infrastructure as a Service) and PaaS (Platform as a Service). PaaS is best for businesses that don’t like to spend on different platforms. Let’s explore each of them closer. Accepted answer. Nov 14, 2023There are three main as-a-service categories: Infrastructure-as-a-Service (IaaS) Platform-as-a-Service (PaaS) Software-as-a-Service (SaaS) In this article, we’ll. vendors provide hosted computers, an operating system, and possibly a DBMS. Many. Software as a service. SaaS provides a complete software solution that you purchase on a pay-as-you-go basis from a cloud service provider. , the physical resources. Benefits of IaaS cloud model. Each provides varying degrees of simplification and control. Platform-as-a-service (PaaS) is the next layer in the cloud computing service model. IaaS is the most fundamental of the models, and only provides basic infrastructure like servers, storage and networking. If you consider moving your business to the cloud, whether for application or infrastructure. Find out which solution suits your business goals. It is enabled by software as a service (SaaS). There are the following advantages of IaaS computing layer - 1. DaaS offers the following: SaaS vs. However, PaaS customers still get to manage data and applications—in contrast to the SaaS model, where customers don’t have to manage anything. Big Data Infrastructure as a Service (IaaS) – Basic data services from a cloud service provider. This Tec2Check video explains the main differences between Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS). Definition IaaS. PaaS vs. Availability. Definition SaaS. The data is made accessible to multiple users via an online service. IaaS includes virtual servers and cloud storage, cloud security, and access to data center resources (managed by the IaaS provider). 2. Eenvoudig gesteld levert een externe partij alles wat nodig is om applicaties te ontwikkelen, inclusief de middleware. This helps business standardize the computing. Using DaaS for desktop disaster recovery: Desktop DR in the cloud. The IaaS vendor. Some examples in common use today are Adobe design packages, and Docusign. SaaS is the most popular service in. Source: t4. SaaS examples. Like that, the Desktop as a Service came into the picture with the growth of. Examples include Heroku , CloudFoundry , and Salesforce . Common use cases for IaaS include:. IaaS vs. SaaS: Many small companies, start-ups and those with short-term projects use SaaS. And why are they relevant when it comes to product development, starting a business, and other relevant topics. ' Related: Types Of Cloud Computing (With Definitions And Tips) 3. g. Unlike the IaaS model, PaaS providers manage runtime, middleware, and operating systems. In the following weeks we will see how to avail Infrastructure as a Se. According to Gartner, the worldwide end-user spending on public cloud services was projected to grow 20. What is the difference between IaaS and SaaS? IAAS gives access to the resources like virtual machines and virtual storage. T. Infrastructure as a Service (IaaS). What SaaS is. This feature makes it more. Beyond SaaS vs. Mid-sized medical practices with a decent sized IT department or specialist. Cloud services are services that are hosted, managed, and provided over the internet. Because XaaS stands for “anything as a service,” the list of examples is endless. Organizations can deploy DaaS and SaaS for users -- in fact, this approach allows for some synergy within IT management tasks. Unlike the IaaS model, PaaS providers manage runtime, middleware, and operating systems. Pay for usage only: The benefit of using IaaS is that you only pay for the features that you’re working with. com, Google App Engine, Apache Stratos. PaaS has several advantages and disadvantages for cloud developers, depending on their needs and preferences. 9%, and PaaS with 18. The services that can be offered by a cloud structure are basically three, to which two others can be added: DaaS and HaaS. The network architects use IAAS. At one end of the spectrum, IaaS allows customers to manage their own fleet of virtual servers. PaaS vs. Definition of IaaS. As-a-service types have risen a lot with SaaS (Software as a service) being the hottest trend that has accounted for the majority of share. The leading service in the cloud computing industry is SaaS with a 39. Platform as a Service (PaaS) This is a development team’s dream. It facilitates the use of software. PaaS and IaaS grow towards each other. The risk of vendor interlock or vendor lock-in is highest in SaaS. DBaaS (also known as managed database service) is a cloud computing service that lets users access and use a cloud database system without purchasing and setting up their own hardware, installing their own database software, or managing the database themselves (not to mention hiring the high-priced talent required to do so). Let’s presume I wanted to make a website. DaaS. XaaS has transformed modern businesses, and now wide-ranging IT services and resources are delivered using this. Software as a service (SaaS) allows users to connect to and use cloud-based apps over the Internet. In this, containers and clusters which are provided as a service can be installed on-premises or in the cloud. "X" can be changed: IaaS refers to infrastructure as a service, PaaS — a platform for development, SaaS — a software as a service. Conclusion. Software as a Service (SaaS)With Desktop as a Service (DaaS), the cloud service provider hosts the infrastructure, network resources, and storage in the cloud and streams the virtual desktop to the user's device. Software-as-a-service, or SaaS for short, is a cloud-based method of providing software to users. IaaS vs. PaaS users pay for the platform and infrastructure they use, while SaaS users pay for the software application they use. Unlike IaaS, which provides infrastructure, and SaaS, which has the software ready for end-user access, PaaS is somewhere in between these two. The PaaS provider manages the underlying cloud platform, which the PaaS customer uses to make and run their apps. Each cloud service model covers different user and company needs, and provides a different level of control, security and scalability. Salesforce is actually even more than that, I would say. These types are: IaaS — which stands for Infrastructure as a Service. AWS (EC2), GCP (CE), Microsoft Azure (VM) are examples of Iaas. The cloud computing model allows organisations to. In most circumstances, a SaaS solution will offer a substantially more accessible, flexible and affordable alternative to a PaaS platform. 2%, and SaaS at 16. IaaS allows multiple users to share the same physical infrastructure. ถูกใช้งานร่วมกับ Database service ซึ่งนิยมเรียกว่า DaaS. In contrast, PaaS is a platform that allows developers to. Great examples of SaaS products are MailChimp, Dropbox, and Slack. Driving this adoption are cloud services, backed by some of the world’s largest businesses. Infrastructure as a Service (IaaS) delivers the hardware for cloud services, including servers, networking, and storage. PaaS — Platform as a Service. ”. IaaS helps build cloud-based technology infrastructure. The vendor controls the entire computing stack, which you can access using a web browser. Infrastructure as a Service (IaaS) delivers the hardware for cloud services, including servers, networking, and storage. 1. Karakteristik dari masing-masing model layanan cloud computing ini akan membantu Anda dalam menentukan apakah layanan yang Anda gunakan apakah SaaS, IaaS dan PaaS. PaaS (Platform as a Service)는 ‘서비스형 플랫폼'을 뜻합니다. IaaS: Larger companies with a lot of hardware needs and a low budget may choose IaaS. IaaS, PaaS, and SaaS aren’t entirely separate concepts. Examples of cloud services include Software as a Service (SaaS), Platform as a Service (PaaS), Infrastructure as a Service (IaaS), Storage as a Service (STaaS), and Backup as a Service (BaaS). Below are a few examples of other cloud services. Adobe, which licenses desktop and mobile apps for photography, video, design, is one of the world’s leading SaaS providers. เปรียบเทียบความแตกต่าง IaaS vs. SaaS provides a solution to almost everything. g. The service supports Java, . Organizations can deploy DaaS and SaaS for users -- in fact, this approach allows for some synergy within IT management tasks. The overall management and storage of data is still left to the vendor. 7%. The main three cloud service models are: IaaS, PaaS and SaaS. There are four types of cloud services that are used to host infrastructures, software, storage, databases and many types of complex workload systems. IaaS is one of the four types of cloud services, along with software as a service ( SaaS ), platform as a service ( PaaS ), and serverless. While SaaS applications are accessed via a web browser or an API, IaaS, PaaS and DaaS resources are accessed via a cloud management console or an API. Great examples of SaaS products are MailChimp, Dropbox, and Slack. IaaS vs. Unlike the IaaS model, PaaS providers manage runtime, middleware, and operating systems. This is called IaaS. However, PaaS customers still get to manage data and applications—in contrast to the SaaS model, where customers don’t have to manage anything. e.