In the case of cloud, these would be broad network access and smart handheld devices. Elasticity is a defining characteristic that differentiates cloud computing from previously proposed. 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 is a flexible, costeffective, and proven delivery platform for providing business or consumer it services over the internet. Typically controlled by system monitoring tools, elastic computing matches the amount. With this book, they can both see the overall picture as well as dive into issues of particular interest. Govcloud amazon web services cloud computing services. Dec 23, 2016 elastic ip addresses are used by aws to manage its dynamic cloud computing services. With this book, they can both see the overall picture as well as dive into. Note that this definition of platform scalability does not include the temporal aspect.
Originating from the field of physics and economics, the term elasticity is nowadays heavily used in the context of cloud computing. If youre looking for a free download links of cloud computing basics springerbriefs in electrical and computer engineering pdf, epub, docx and torrent then this site is not for you. Herbst, kounev, reussner elasticity in cloud computing icac, san jose, ca 26th june 20 the speed of scaling up is defined as the time it takes to switch from an underprovisioned state to an optimal or. Most of the small and large business have switched their data to cloud storage. Apr 09, 2015 what is elastic cloud computing and how it benefits business 1. Cloud elasticity, on the other hand, is only constrained by the capability thatacloudserviceprovideropers. Elasticity is a defining characteristic that differentiates cloud computing from previously proposed computing paradigms, such as grid computing. More cloud providers nowadays are advertising their capabilities on elastic scaling, but what is this exactly and how do we benefit from this. Price elasticity of the enterprise computing resource market. Best security practices for users hi all, if you know us if you dont, this is a perfect time to catch up, you should know that secludit is mostly committed on building a great and cuttindedge vulnerability scanner. Amazon elastic compute cloud ec2 forms a central part of s cloudcomputing platform, amazon web services aws, by allowing users to rent virtual computers on which to run their own computer applications. Cloud computing means transferring ict resources servers, hosts, applications, databases, platforms etc.
Overview of cloud computing, infrastructure as a service, platform as a service, software as a service. Price elasticity of the enterprise computing resource market qingye jiang, senior member, ieee, young choon lee, and albert y. Engineering scalable, elastic, and costefficient cloud. It is designed for developers to have complete control over webscaling and computing resources. In cloud computing, elasticity is defined as the degree to which a system is able to adapt to workload changes by provisioning and deprovisioning resources in. One of the five characteristics of cloud computing in 2011 the national institute of standards and technology nist defined cloud computing in their publication, the nist definition of cloud computing, nist special publication 800145. An analysis of security issues for cloud computing journal. Sep 12, 2012 more cloud providers nowadays are advertising their capabilities on elastic scaling, but what is this exactly and how do we benefit from this. Figure 1 represents the ypical behavior of elastic cloud computing applications. Elastic computing is the ability of a cloud service provider to provision flexible computing power when and wherever required. Dec 31, 2015 elasticity in cloud infrastructure involves enabling the hypervisor to create virtual machines or containers with the resources to meet the realtime demand. Securing elasticity in the cloud college of engineering. Amazon elastic compute cloud ec2 forms a central part of s cloud computing platform, amazon web services aws, by allowing users to rent virtual computers on which to run their own computer applications.
In facts, cloud computing introduces the concept of elasticity, namely the possibility for virtual machines to scale according to the software needs. Cloud computing basics springerbriefs in electrical and. Dustin owens, bt americas as somewhat of a technologyhype curmudgeon, i was until very recently in the camp that believed cloud computing was not much more than the latest marketingdriven hysteria for an idea. Distributed computing 1 securing elasticity in the cloud elastic computing has great potential, but many security challenges remain. While security and limited control are concerns to take into account when considering elastic cloud computing, it has many benefits. The main motivation for companies to consider transferring their existing systems or creating new ones on top of a cloud platform is the. What it is, and what it is not find, read and cite all the research you need on researchgate. Amazon ec2 elastic compute cloud is a web service interface that provides resizable compute capacity in the aws cloud. Defining and quantifying elasticity of resources in cloud. Cost optimization for cloudbased engineering simulation.
Elasticity, one of the major benefits required for this computing model, is the ability to add and remove resources on the fly to handle the load variation. Ec2 instances can be resized and the number of instances scaled up or down as per our requirement. With cloud elasticity, a company avoids paying for unused capacity or idle resources and does not have to worry about investing in the purchase or maintenance of additional resources and equipment. Researcharticle on elasticity measurement in cloud computing. Herbst, kounev, reussner elasticity in cloud computing icac, san jose, ca 26th june 20. Herbst and others published elasticity in cloud computing. In order to support elasticity, cloud providers, including ama. August 10, 2016 in aws, cloud computing, iaas, secure cloud. We note here two fundamental elements of elasticity. Operational excellence, the cio, and cloud computing cutter.
Although many works in literature have surveyed cloud computing and its features, there is a lack of a detailed. Cloudnexas patent relates to a proprietary system and method that it has developed for managing thirdparty cloud computing environments with a single common web interface, focused on security, compliance and. The elasticity of these resources can be in terms of processing power. Apr 12, 2012 elastic computing is a concept in cloud computing in which computing resources can be scaled up and down easily by the cloud service provider. Research article on elasticity measurement in cloud computing. The concept of cloud computing is linked intimately with those of iaas infrastructure. What is elastic cloud computing and how it benefits business.
A few years ago, i read of a concept started by john mccarthy from the early 1960s about how computation may someday be organized as a public utility. Existing work on elasticity lack of solid and technical way of defining elasticity. Even though tremendous efforts are invested to enable cloud. Ec2 encourages scalable deployment of applications by providing a web service through which a user can boot an amazon machine image ami to configure a virtual machine, which. Cloud elasticity is also known as rapid elasticity. However, cloud computing presents an added level of risk because essential services are often outsourced to a third party, which makes it harder to maintain data security and privacy, support data and service availability, and demonstrate compliance.
Moreover, organization also prefer to have elastic computing. Note that this infrastructure is only used to host the entropy vm instances, the configurations being. Sections, and present simulation and numerical and experimental results, respectively. Sep 10, 20 overview of cloud computing, infrastructure as a service, platform as a service, software as a service. Their unique cloud management platform, vnoc, provides aws customers with tools to automate and manage all of their aws accounts. Elasticity is the foundation of cloud performance and can be considered as a great advantage and a key benefit of cloud computing. Pdf a survey on cloud computing elasticity researchgate. Controlling the elasticity of web applications on cloud. Jelastic, the platform as infrastructure vendor, recently announced an update to its combined paasiaas offering for java, ruby and php marked by the addition of performance, scalability and security functionality.
It is often an immediate reaction to clients dropping or adding services in real time. What is elastic computing definition microsoft azure. Pdf elasticity is a key feature in the cloud computing context, and perhaps. They understand the complicationsand benefits associated with deploying and adopting a public cloud infrastructure. This book is meant for all stakeholders interested in delivering scalable, elastic, and costefficient cloud computing applications. Cloud elasticity and cloud scalability are not the same thing. Within the aws infrastructure, customers have virtual private clouds vpcs. Operational excellence, the cio, and cloud computing. Note that this servers running vm is only shut down when its existing billing period ends. Investigations into elasticity in cloud computing arxiv.
The content includes some ongoing work acknowledgements. Cloud computing offers a virtually unlimited sky of distributed resources. This trend still continues to grow as companies and research community propose and develop this computing paradigm cloud computing. Rapid elasticity and the cloud cloud computing news. May 24, 2012 blog cloud computing cloud elasticity and cloud scalability are not the same thing may 24, 2012 guy fardone evolve ip attended the alwayson ondemand conference in silicon valley last month. Without these technologies, it is possible to adopt cloud computing, but with severe limitations.
Whenever i try to understand a new concept, i take a quick look at wikipedia, where you can usually get a basic overview of a concept. Cloud computing fits the classic modus operandi of emerging technologies inasmuch as it has been around for a long time at least 10 years waiting for the technology resources to become available. Aws helped us find and work with other apn partners who already had expertise running workloads in the cloud, such as cycle computing and nice software, to develop our ansys enterprise cloud solution, says kaiser. Understand the concept and need for deprovisioning in cloud computing. Accenture federal services is a partner federal agencies can trust on your journey to the cloud. What is elastic cloud computing and how it benefits business 1. Otherfactorsthatare relevant to cloud elasticity include the type and count of standby machines, computing resources that need to be reprovisioned. The buzz at the event was all about mobile, social, cloud, and big data. Nov 23, 2014 cloud computing is now a wellconsolidated paradigm for ondemand services provisioning on a payasyougo model. Using amazon ec2 eliminates your need to invest in hardware up front, so you can develop and deploy applications faster.
According to mohammed, a great milestone of cloud computing came about in 2009 with the introduction of web 2. Blog cloud computing cloud elasticity and cloud scalability are not the same thing may 24, 2012 guy fardone evolve ip attended the alwayson ondemand conference in silicon valley last month. In this context, elasticity is commonly understood as the ability of a system to automatically provision and deprovision computing resources on demand as workloads change. Section develops the computing model of cloud elasticity.
Note that hosts of cloud enhanced services saas are. Public cloud providers apply multitenancy to optimize server workloads and reduce costs. What is elastic cloud computing and how it benefits business nowadays cloud computing are well known phenomenon for everyone. The actuality and relevance of researching this topic can be con. Scalability often is discussed at the application layer, highlighting capability of a system, network or process to handle a growing amount of work, or its potential to be enlarged in. For marketing purposes, the term elasticity is heavily used in cloud providers advertisements and even in the naming of speci. Oracle exalogic elastic cloud is a standard data center building block that provides a fully integrated private cloud platform that is ideal for a wide range of missioncritical enterprise application workloads, from middleware and custom applications to packaged applications from oracle and hundreds of 3rd party application and tool vendors. Ansys has also benefited from participating in the aws partner network. In cloud computing, elasticity is defined as the degree to which a system is able to adapt to workload changes by provisioning and deprovisioning resources in an autonomic manner, such that at each point in time the available resources match the current demand as closely as possible. Again, these benefits are essentially side effects of cloud computing, not cloud computing itself.
An analysis of security issues for cloud computing. Amazon elastic compute cloud amazon ec2 provides scalable computing capacity in the amazon web services aws cloud. Multitenancy shares server space with other organizations so its important to know. Elastic computing is a concept in cloud computing in which computing resources can be scaled up and down easily by the cloud service provider. The gray section labeled results above represents a number of the core aspects and features of cloud computing. We have a clear vision of governments digital future in the public cloud. How a consumer can measure elasticity for cloud platforms. Cloud elasticity refers to the ability of a cloud service to provide ondemand offerings, nimbly switching resources when demand goes up or down. Zomaya, fellow, ieee abstractpricing is an important property of a product in that it signi. Pdf elasticity is a fundamental property in cloud computing that has recently witnessed major developments. Programming elasticity in the cloud honglinh truong. Application brief cost optimization for cloudbased engineering simulation using ansys enterprise cloud most users of engineering simulation are constrained by computing resources to some degree. Cloud elasticity refers to the ability of a cloud service to provide on demand offerings, nimbly switching resources when demand goes up or down. Public utility cloud providers exist because warehouse cloud computing is now possible at a massive scale for low cost.