Cloud Elasticity can be automatic, without need to perform capacity planning in advance of the occasion, or it can be a manual process where the organization is notified they are running low on. Cloud elasticity allows organizations to easily add or remove capacity based on workload trends. What is Cloud computing? Give the various characteristics of cloud computing. Context: In cloud computing, there is a multitude of definitions and metrics for scalability, elasticity, and efficiency. Introduction. Users can make use of resources following their needs and. It enables enterprise to manage workload demands or application demands by distributing resources among numerous computers, networks or servers. Cloud computing resources can scale up or down rapidly and, in some cases, automatically, in. Numerous business cases and applications may require strict full local (private) control over the. Public cloud is for users that want to access compute infrastructure on-demand with increased scalability, elasticity, and on a pay-per-use basis for CPU cycles, storage and bandwidth consumed over a given time period such as per. In computing, a platform is defined as a computer system that applications run on, or as a base of. The cloud computing capabilities can be released elastically. , networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. Erl (if I have understand it correctly) that scalability is the ability of a resource to increase or decrease by demand, and that elasticity is the automatic scaling of a resource by demand of a resource. A cloud service provider (CSP) may implement hyper-converged infrastructure-based horizontal scaling or choose to use virtual distributed services. Elasticity in cloud computing allows you to scale computer. However, the aforementioned approaches usually provision virtual machines (VMs) in a coarse-grained manner just by the CPU utilization. Which of the following is NOT a driver for use of cloud computing? Use of specialized computing hardware. dollars in 2022. What is the definition of cloud-based scalability? Can the characteristics of cloud computing facilitate the implementation of scalability?Scalability and elasticity in cloud: Scalability can be defined as the cloud's ability to manage workloads by increasing or decreasing resources per the demand. 8. *)?$)","target":"//. Growing demand for cloud computing professionals. Explanation: Answer options E, D, C, and B are correct. Study Cloud Computing flashcards. Scalability is one of the hallmarks of the. It offers cost savings, scalability, high performance, economies of scale, and more. Cloud computing has and will continue to expand the IT operations and IT utilization options for organizations of all sizes. In this Cloud Computing Tutorial, you will learn the basics concepts of cloud computing which include multiple service models, deployment. Speed to market: Developing in the cloud enables users to get their applications to market quickly. Cloud scalability in cloud computing refers to the ability to increase or decrease IT resources as needed to meet changing demand. Depending on the load to a server farm or pool, the number of servers that are active will typically vary automatically as user needs fluctuate. Cloud-native is a modern approach to building and running software applications that exploits the flexibility, scalability, and resilience of cloud computing. The term elasticity in cloud computing is directly related to response time (a server takes towards user request during resource providing and de-providing. The goal of this technique is to adapt to. Rapid elasticity. The NIST definition of cloud computing contains five characteristics: on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service (Mell & Grance, 2011). This is only one aspect to elasticity. The authors define elasticity as the ability of a system to add and remove resources such as CPU cores, memory, VM and container instance, “on the fly". com's cloud-computing platform, Amazon Web Services (AWS), that allows users to rent virtual computers on which to run their own computer applications. Thus, elasticity is a key enabler for economies of scale in the cloud that enhances utility of cloud. Private cloud is a type of cloud computing that delivers similar advantages to public cloud, including scalability and self-service, but through a proprietary architecture. However, there is no clear, concise, and formal definition of elasticity measurement, and thus no effective approach to elasticity quantification has been developed so far. Cloud servers are located in data centers all over the world. Google App Engine, one of the earliest PaaS cloud offerings, offered automatic scaling from the early days of cloud computing. Scalability and elasticity in cloud computing are similar and often work together, though they have different definitions. broad network access, resource pooling, rapid elasticity, and measured service. . Pre-requisite: AWS. Ability to dynamically scale the services provided directly to customers. What is cloud scalability vs. Multitenancy in Cloud computing: Multitenancy is a type of software architecture where a single software instance can serve multiple distinct user groups. One key challenge in cloud elasticity is lack of consensus on a quantifiable, measurable, observable, and calculable definition of elasticity and systematic approaches to modeling, quantifying,. Cloud is a model of computing where servers, networks, storage, development tools, and even applications (apps) are enabled through the internet. Cloud computing has become an alternative to enable distributed computational resources to execute HPC-driven scientific applications. Most people, when thinking of cloud computing, think of the ease with which they can procure resources when needed. In conclusion, rapid elasticity is a critical aspect of cloud computing that allows businesses to scale their resources dynamically, optimize costs, and quickly respond to changes in demand. According to NIST definition of cloud computing, it has five characteristics: on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service, while mobile computing focuses on device mobility and context awareness considering networking and mobile resource/data access. Service Provider and Service consumer are. Users become more accountable for their intake, which improves their ability to make wise decisions. 5. . AWS Elastic Beanstalk: a web platform for software deployment and management, powered by the. An elastic cloud is a cloud computing offering that provides variable service levels based on changing needs. Courses. An elasticity metric could be used to define and to monitor Service Level Agreements (SLAs), to compare and to benchmark different cloud providers or to improve provisioning and management. By using cloud computing, users and companies do not have to manage physical servers themselves or run software applications on their. Although. Actuating (processing data); and Communicating (distributing data). In a cloud computing context, agility often refers to developing, testing rapidly, and launching applications that drive business growth in a constantly changing IT environment. Apart from the above, some other Cloud Computing advantages are: On-Demand Self-service. First, we present a new, quantitative, and formal definition of elasticity in cloud computing, i. 1. A. Cloud agility, on the other hand, implies a value statement as it is defined as the ability to create, test, and deploy applications and software in the cloud quickly, often in response to market changes. , up and down to meet workload requirements dynamically. Elasticity is how fast you can adjust to and use those resources. 6. Elasticity and multitenancy are distinct characteristics of cloud computing. It is a composition of multiple independent systems. In simplified terms, Platform as a Service refers to a computing service in the cloud, where third-party cloud service providers employ virtualization technology to deliver a fully loaded, high-performing development platform to application developers over an Internet connection. The real difference lies in the requirements and conditions under which they. You typically pay only for cloud services you use, helping you lower your. Firstly, one significant benefit is cost-efficiency (elasticity vs scalability in cloud computing ). Service elasticity is a common feature offered by many cloud platforms and virtualized data-centers. With the emergence of the Internet of Things (IoT), where there is a need for interconnectivity between singular devices, the cloud paradigm has. Definitions: A model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e. It is very easy to. This involves both. Data storage capacity, processing power, and networking can all be increased by using existing cloud. This cloud. Define and prioritize the right level of resiliency according to business needs. Automation. Broad network access: The Computing services are. It provides a mix of infrastructure as a service (IaaS), platform as a service (PaaS) and packaged software as a service (SaaS) offerings. g. It is of two types. Horizontal elasticity consists in adding or removing. Cloud agility, on the other hand, implies a value statement as it is defined as the ability to create, test, and deploy applications and software in the cloud quickly, often in response to market changes. Elasticity is best defined as a cloud computing service's ability to dynamically adapt to meet an organization's changing demands. How does cloud computing help scalability?Infrastructure as a service. Cloud elasticity is the automatic provisioning and deprovisioning of resources from a data center when demand from a customer increases or decreases. Organizations don’t have to spend weeks or months overhauling their as they would with on-premise. A cloud can be private or public. A change of configuration is also possible with a short reaction time by the provider. Measured service : Usage of cloud resources is metered so that businesses and other cloud users need only pay for the resources they use in any given billing. The NIST definition of cloud computing contains five characteristics: on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service (Mell & Grance, 2011). The real difference lies in the requirements and conditions under which they function. Explain the Platform-as-a-Service (PaaS) and its characteristics. It enables you to scale the cloud computing services inward and outward, and it helps to be commensurate with the dynamic demand posted by the end-users. This is often an. Private cloud is a cloud environment in which all cloud infrastructure and computing resources are dedicated to, and accessible by, one customer only. This cloud. 2. Amazon Web Services (AWS) is a comprehensive, evolving cloud computing platform provided by Amazon. Elastic computing plays a pivotal role in managing the cloud servers in cloud computing. Virtual software mimics the functions of physical hardware to run multiple virtual machines simultaneously on a single physical machine. • Rapid elasticity. Cloud computing allows on-demand self-services. Please use examples. Scalability is one of the hallmarks of the cloud and the primary driver of its exploding popularity with businesses. Elasticity implies the ability to shift and pool resources across disparate infrastructure so that data needs and resource availability can. g. Services include storage, networking, analysis, etc. Scalability in the cloud refers to adding or subtracting resources as needed to meet workload demand, while being bound by capacity limits within the provisioned servers hosting the cloud. Cloud computing is a technology that enables us to create, configure, and customize applications through an internet connection. The dynamic adaptation of capacity, e. Broad network access. Elastic computing is the ability of a cloud service provider to provision flexible computing power when and wherever required. Unlike elasticity, which is more of makeshift resource allocation – cloud scalability is a part of infrastructure design. Horizontal cloud scaling is the addition of computing nodes to cloud infrastructure to enhance bandwidth capabilities. Whereas elasticity has become mainstream for web-based, interactive applications, it is still a major research challenge how to leverage elasticity for applications from the high-performance. Again, as with the elasticity of demand, the elasticity of supply is not followed by any units. Offers advanced online security. informally, elasticity denotes the sensitivity of a depen-dent variable to changes in one or more other variables [1]. In simple terms, cloud computing allows you to rent instead of buy your IT. What is elastic computing or cloud elasticity? Elastic computing is the ability to quickly expand or decrease computer processing, memory, and storage resources to meet changing demands without worrying about capacity planning and engineering for peak usage. Cloud computing has gathered great attention recently as a method for eliminating or at least reducing expensive setup and maintenance cost of computing. A cloud service in which the consists of virtual machine that has defined computing resources (CPUs, RAM, disk. Load balancing allows enterprises to manage application or workload demands by allocating resources among multiple computers, networks or servers. Elastic computing refers to a scenario in which the overall resource footprint available in a system or consumed by a specific job can grow or shrink on demand. This usually relies on external cloud computing services, where the local cluster provides only part of the resource pool available to all jobs. Cloud elasticity is the automatic provisioning and deprovisioning of resources from a data centre when demand from a customer increases or decreases. Given the numerous overlapping factors that impact their elasticity and the unpredictable nature of the workload, providing accurate action plans. The essential characteristics of cloud computing define the important features for successful cloud computing. Virtualization makes multi-cloud architecture accessible. Scalable environments only care about increasing capacity to accommodate an increasing workload. You configure the EC2-Instance in a very secure manner by using the VPC, Subnets. The elasticity process should proceed quickly, almost instantly. Ease of use. Elasticity is a unique feature that enables the cloud platforms to add and remove resources “on the fly” to. This section presented cloud computing elasticity and defined the process of elasticity management. The NIST definition of cloud computing. The advantages of using SOA is that it is easy to maintain, platform independent, and highly scalable. Cloud scalability in cloud computing is the ability to scale up or scale down cloud resources as needed to meet demand. Serverless computing is a cloud computing model that enables developers to build and run code on servers that are managed by the cloud provider and available on demand. What is elastic computing or cloud elasticity? Elastic computing is the ability to quickly expand or decrease computer processing, memory, and storage resources to meet changing demands without worrying about capacity planning and engineering for peak usage. It is also referred to as a dedicated or single-tenant cloud. This is a reference to services where the cloud provider measures or monitors the provision of services for various reasons, including billing, effective use of resources, or overall predictive planning. A user can create, launch, and terminate server instances as needed, paying by the hour for active servers, hence the term "elastic". 1. {"matched_rule":{"source":"/blog(([/?]. , networks, servers, storage, applications and services) that. g. Abstract: Elasticity is a fundamental feature of cloud computing and can be considered as a great advantage and a key benefit of cloud computing. Describe on-demand self-service. g. Elasticity is considered to be the most beneficial characteristic of cloud environments, which distinguishes the cloud from clusters and grids. An overview of Cloud Scalable. To better understand this concept, let us consider a. Cloud technology offers businesses a key means of promoting agility and is a vital tool in the enterprise push toward better adaptability. One key aspect of cloud computing is its elasticity, which refers to the ability to scale resources up or down dynamically based on demand. This work was supported by the European Commission in terms of the CELAR FP7 project (FP7-ICT-2011-8 #317790). Cloud Scaling. This infrastructure improves. Elasticity is the key technique to provisioning resources dynamically in order to flexibly meet the users’ demand. For available resources, capacity planning seeks a heavy demand. To handle such high volumes of traffic, most. Expert Solution. memory space, calculation power etc. Cloud infrastructure refers to the hardware and software components -- such as servers , storage, a network and virtualization software -- that are needed to support the computing requirements of a cloud computing model. Elastic Load Balancing (ELB) is a load-balancing service for Amazon Web Services (AWS) deployments. The elasticity of these resources can be in terms of. AWS Elastic Block Store (EBS) is Amazon’s block-level storage solution used with the EC2 cloud service to store persistent data. Cloud Edge Computing Elasticity Cloud and edge computing complement each other to form a mutually beneficial and inter-dependent service continuum. One of the reasons for the popularity of cloud computing is due to its elasticity feature. This article reviews both classical and recent elasticity solutions and provides an overview of containerization, a new technological trend. This means that businesses can quickly scale up or down their computing resources as needed, without the need for manual. It means a cloud service can automatically change its. Cloud Elasticity can refer to ‘cloud bursting’ from on-premises infrastructure into the public cloud for example to meet a sudden or seasonal demand. First, we present a new, quantitative, and formal definition of elasticity in cloud computing, i. Cloud computing is all about renting computing services. Name the 5 essential characteristics of cloud computing. Though adjacent in scope and seemingly identical, cloud scalability and cloud elasticity are not the same. , networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. Elasticity differs in that it's not defined by those limits, because if a server reaches its full capacity and additional resources are needed, that resource. Abstract: Elasticity is a fundamental feature of cloud computing and can be considered as a great advantage and a key benefit of cloud computing. Accessibility: Cloud-based applications and data are accessible from virtually any internet-connected device. Amazon Web service offers EC2 which is a short form of Elastic Compute Cloud (ECC) it is a cloud computing service offered by the Cloud Service Provider AWS. Cloud Computing Elasticity – Definition The elasticity of cloud computing can be compared to using a flexible rubber band that adjusts according to. Both are essentially the same, except that they occur in different situations. These 5 characteristics of cloud computing are what make the technology the most buzzing and in-demand technology of today. Cloud-native. In cloud computing, elasticity is defined as "the degree to which a system is able to adapt to workload changes by provisioning and de-provisioning resources in an autonomic manner, such that at each point in time the available resources match the current demand as closely as possible". But the definition of scalability and elasticity in cloud computing is not complete without understanding the clear connection between both these terms. This is the provisioned part of a virtual computing environment -- essentially a preconfigured. A New Model for IT Infrastructure. Using Amazon EC2 reduces. การประมวลผลใดๆ ผ่านเครือข่าย Internet ที่พร้อมให้บริการกับผู้ใช้งาน เมื่อไรก็ตามที่มี. 4. Elastic Scaling:. Elasticity. One of the primary differences between scalability and elasticity is the scale of resources involved. It provides a mix of infrastructure as a service (IaaS), platform as a service (PaaS) and packaged software as a service (SaaS) offerings. Explain elasticity as it relates to cloud computing. However, stakeholders have little guidance for choosing fitting definitions and metrics for these quality properties, thus leading to potential misunderstandings. In the cloud, you want to do this automatically. 2. Define Rapid Elasticity. Scalability is one of the hallmarks of the cloud and the primary driver of its explosive popularity with businesses. Cloud load balancing involves hosting the distribution of workload traffic and. One can eliminate his investment in hardware upfront using the Amazon Elastic Compute Cloud and boost the development and deployment application process. Learn about benefits and more. Software engineers define how to deprovision resources for applications that are deployed in the cloud. 53. , the probability that the. Define elasticity as it pertains to cloud computing. Simply put, cloud computing is the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the internet (“the cloud”) to offer faster innovation, flexible resources, and economies of scale. ”. The final trait highlighted in the NIST definition of cloud computing is "rapid elasticity. It specifies how your cloud infrastructure will look, what you. Certifications in cloud computing can help clearly define who is qualified to support an organization’s cloud requirements. , the probability that the computing resources provided by a cloud platform match the current. This eliminates the need for extra capacity or lengthy purchasing processes. Approach: The streaming service leverages elastic scaling to automatically respond to changes in demand without manual intervention. In many ways, cloud computing is defined by its elastic nature, which also sets it apart from traditional computing paradigms including client-server, grid computing, and legacy infrastructure. According to the official NIST definition, "cloud computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e. They are provided on-demand via self-service, so vast amounts of computing resources can be provisioned in minutes. , Scale-Up – can handle an increasing workload by adding resources to the existing infrastructure. 1 shows a cost-related elasticity requirement specified by, e. First, we present a new, quantitative, and formal definition of elasticity in cloud computing, i. Cloud computing is a relatively new business model in the computing world. elasticity? Cloud scalability is the ability of a cloud computing system to handle increased workloads by adding more resources. When demand is low, you can reduce resources and therefore avoid paying excess fees. Since cloud computing began, the world has witnessed an explosion of cloud-based applications and services in IT, which continue to expand. Cloud load balancing is defined as the method of splitting workloads and computing properties in a cloud computing. Auto Scaling Definition. Clients, users, or businesses acquire amenities such as data storage space, computing capabilities, applications services, virtual servers, or even hardware rentals such as CPUs, monitors, and input. In many ways, cloud computing is defined by its elastic nature, which also sets it apart from traditional computing paradigms including client-server, grid computing, and legacy infrastructure. Capabilities can be elastically provi- sioned and released, in some cases automatically, to Fig. g. While elasticity usually involves the dynamic allocation of memory and CPU resources, scalability often consists of the provisioning of new servers to meet static demand growth. Nov 8, 2018. The ability to dynamically scale services being provided in direct response to the need of customers for space and other services. cloud computing. e. Elasticity is one of the key characteristics of cloud. Explain the cloud data center and its application. Infrastructure as a service (IaaS) is a type of cloud computing service that offers essential compute, storage, and networking resources on demand, on a pay-as-you-go basis. In NIST’s definition of cloud computing, the five essential characteristics of cloud computing are addressed. The data can be anything such as files, images, documents, audio, video, and more. Cloud elasticity is the process by which a cloud provider will provision resources to an enterprise’s processes based on the needs of that process. Right compute for your workloads. Users enable ELB within a single availability. , along with the QoS (quality of service); these resources are analogous to. Cloud elasticity allows organizations to easily add or remove capacity based on workload trends. If the workload increases, more resources are released to the system; on the contrary, resources are Elastic cloud storage. ; Result: The streaming. A user can provide computer capabilities (e. While we often use it to refer to a system’s ability to grow, it is not exclusive to this definition. Explanation: Amazon EC2 stands for the Amazon Elastic Compute Cloud that offers the scalable computing capacity in the AWS (or Amazon Web Services) cloud to its clients. , networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. Amazon EC2 allows a developer to spin up virtual machines ( VMs ), which provide compute capacity for IT projects and cloud workloads that run with global. Cloud computing offers faster innovation, flexible resources, and economies of scale. The vendor provides support, maintenance, upgrades, and even remote management of the private cloud. Therefore, elasticity, a critical feature of a cloud platform, is significant to measure the performance of lightweight. The elasticity process should proceed quickly, almost instantly. Elasticity is a ratio of one percentage change to. It is a technology that uses remote servers on the internet to store, manage, and access data online rather than local drives. The data which is stored can be files, images, documents, or any other storable document. Identify the wrong statement about cloud computing. 6 IEEE TRANSACTIONS ON CLOUD COMPUTING, VOL. Gartner provides this definition that encompasses the essence of the cloud: “Cloud computing is a style of computing in which scalable and elastic IT-enabled. , deploying and allocating more IT resources than necessary to. However, elasticity still lacks a precise. 1 In this paper, cloud. Next, we take the results of our calculations and plug them into the formula for price elasticity of supply: Price elasticity of supply = % change in quantity % change in price = 26. The location of the servers you’re utilizing and who controls them are defined by a cloud deployment model. Using Amazon EC2 reduces hardware costs so you can develop and deploy applications faster. . Distributed Computing : Distributed computing is defined as a type of computing where multiple computer systems work on a single problem. 6 Conclusion 5 Towards Benchmarking Elasticity In this short paper, we proposed a refined definition of Characterizing the elasticity of a single system is not a elasticity to contribute in establishing a common under- simple task on its own and it becomes even more com- standing of this term in the context of cloud computing. Amazon Elastic Compute Cloud (Amazon EC2) provides on-demand, scalable computing capacity in the Amazon Web Services (AWS) Cloud. In addition to this, the moment the necessary resource is used, whatever iis no longer useful is eliminated. What is cloud computing? "The cloud" refers to servers that are accessed over the Internet, and the software and databases that run on those servers. , networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. The technology foundations for cloud computing led to a new approach of reusing what was achieved in GRID computing with support from virtualization. Resource pooling. Cloud computing is the delivery of computing resources over the internet. Depending on the service, elasticity is sometimes part of the service itself. According to the National Institute of Standards and Technology (NIST) definition, resources can be elastically provisioned and released, in some cases automatically, to scale rapidly outward and. Scalability in the cloud computing allows businesses to scale their computing resources up and down based on the requirement ensuring low infrastructure disruption. IaaS is one of the four types of cloud services, along with software as a service ( SaaS ), platform as a service ( PaaS ), and serverless. Measured Service. Cloud computing is the On-demand availability of computing services including servers, storage, databases, networking, software, analytics, and intelligence, over the Internet. It refers to the ability of cloud infrastructure to dynamically allocate and de-allocate computing resources in response to your constantly changing needs. Amazon EC2 (Elastic Compute Cloud) is a service that provides scalable compute capacity in the cloud, making web-scale cloud computing simpler for developers and other users demanding high levels of performance. e. Cloud computing has revolutionized the way businesses and individuals access, store, and process data. 2. They are all characteristics of cloud computing: On demand self-services: Computer services such as email, applications, network, or server service can be delivered without needing human interaction with each service provider. Instead of organizations having to make major investments to buy equipment, train staff, and provide ongoing maintenance, some or all of these needs are handled by a cloud service provider. 4. Its ability to quickly make adjustments in the resources without hindering the system’s. AWS, Microsoft Azure, Google Cloud and other public cloud platforms make resources available to users at the click of a button or API call. FAQ. Key Cloud Computing Drivers: Elasticity (define, plus sub-bullets V and S) Definition. Cloud Computing Overview - Cloud Computing provides us means of accessing the applications as utilities over the Internet. cloud that his data or information will be isolated in the cloud and cannot be accessed by other members sharing the cloud. Companies have now started to understand how much unstructured data they need to analyze over the coming years, and thus, letting a cloud provider manage scalability problems is likely to be more cost-effective and convenient. 999 percent uptime, with only about five minutes of maximum. Resource Pooling. Put simply, cloud technology allows you to easily adjust your computer power, memory, and storage to suit the unique requirements of your. Cloud is a model of computing where servers, networks, storage, development tools, and even applications (apps) are enabled through the internet. Dell ECS stands for “Dell Elastic Cloud Storage. e. Some are “rented,” and some are owned. Cloud: The elastic leasing of pooled computer resources over the Internet. The definition is as follows: “Cloud computing is a computing model: IT resources, data and applications are provided as services to users through the network. Elasticity is “The ability to acquire resources as you need them and release resources when you no longer need them. Cloud systems also provide infrastructure for businesses to develop and deploy enterprise software and services. I read from the book of T. You can deploy your applications in EC2 servers without any worrying about the underlying infrastructure. What is cloud computing, in simple terms? Cloud computing is the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over. Click the card to flip 👆. , networks, servers, storage, applications and services) that can be rapidly. [2] The NIST Definition was intended for the statedCloud computing is an emerging distributed computing paradigm that has become one of the extremely popular computing paradigms nowadays. In the cloud, you want to do this automatically. A cloud architect or engineer can adjust resources with a few clicks or even configure some resources to adjust automatically as workload demands change in real-time. Cloud-native definition. 4. Definition of Cloud Computing: Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e. Other Important Benefits of Cloud Computing. 4 = 3. By leveraging the benefits of rapid elasticity, organizations can achieve greater flexibility, agility, and cost efficiency in their operations. Elasticity in Cloud Computing: State of the Art and Research Challenges Yahya Al-Dhuraibi, Fawaz Paraiso, Nabil Djarallah, Philippe Merle To cite this version: Yahya Al-Dhuraibi, Fawaz Paraiso, Nabil Djarallah, Philippe Merle. 1. Rapid elasticity. However, it is not always feasible for a business to relinquish full control over the data and infrastructure due to compliance, retention or cost [10]. One of the most common examples of cloud computing is Apple's iCloud. It defines Cloud Computing as “ a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e. This. Abstract. Elasticity allows their adaptation to input workloads by (de)provisioning resources as the demand rises and drops. Some operations which can be performed with cloud computing are –. Rather than investing heavily in databases, software, and hardware, companies opt to access their compute power via the internet, or the cloud, and pay for it as they use it. "NIST SP 800-145, The NIST Definition of Cloud Computing, Cloud Computing, SaaS, PaaS, IaaS, On-demand Self Service, Reserve Pooling, Rapid Elasticity, Measured Service. g. b) Virtual appliances are becoming a very important standard cloud computing deployment object. Elasticity. Although many works in literature have surveyed cloud computing and its features, there is a lack of a detailed.