Cloud Computing

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By: amollg (21 month(s) ago)

Hi Saloni man,can u please mail your ppt to c.amolsoft@gmail.com.

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Cloud Computing

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Concept Architecture Of Cloud Computing Applications Features How to build Cloud Computing Infrastructure ? Role in Service Oriented Architecture Advantages of Cloud Computing Disadvantages of Cloud Computing Implementation Challenges Of Cloud Computing Conclusion Contents

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What is Cloud Computing? Cloud computing is a technology that uses the internet and central remote servers to maintain data and applications. Cloud computing allows consumers and businesses to use applications without installation and access their personal files at any computer with internet access. This technology allows for much more inefficient computing by centralizing storage, memory, processing and bandwidth. The analogy is, ' If you need milk, would you buy a cow?' Origin Of Cloud Computing : Cloud computing can be traced as far as the 1960s when the American computer scientist named John McCarthy stated that computing will become a publicly available service in the future. Concept

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Architecture of Cloud computing services

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Email Services Connected Environment Applications

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Collaborating Service Virtual Service

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Features : Consumption Based Billing : Pay per use seems to be the winning characteristic for cloud. You pay for the time you use the infrastructure for. Self Service Based Model : Users have the ability to upload, build, deploy, schedule, manage, and report on their business services on demand . Location and Device Independence : Users can access the server through the internet from any place and from any device including the iPhone and Androids . Maintenance : Maintenance of cloud computing applications is easier, because they do not need to be installed on each user's computer

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How To Build Cloud Computing infrastructure ? Step 1: First you should decide which technology will be the basis for your on-demand application infrastructure There are cons and pros to both a homogenous and heterogeneous virtualization infrastructure and the decision will impact the ability to monitor and manage infrastructure later. So make this decision first. Step 2: Determine what delivery infrastructure you will used to abstract the application infrastructure. Cloud infrastructure’s the on-demand capabilities are first designed to do two things: make efficient use of resources and ensure scalability. The delivery infrastructure or load balancer will need to be included in the provisioning process and to provide visibility into application capacity, performance as well as resource management

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Step 3: Prepare the network infrastructure. Prepare the network to deal with an on-demand application infrastructure. The network must be configured to deal with such change without requiring human intervention and must be able to handle applications which migrate from hardware to hardware. Step 4: Provide visibility and automation of management tasks. Remember, visibility is a key to an on-demand infrastructure. An associated management systems and the infrastructure must know what is running, when and where to evaluate available resources. Step 5: Integrate all the moving parts, such that the infrastructure and realizes the benefits of automation, abstraction and resource sharing. The last one is most difficult part, and requires the previous steps be completed. The integration, automation of all the pieces of the infrastructure like storage, network, and application enables the infrastructure to act on-demand.

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Role In Service Oriented Architecture Software as a Service ( SaaS) : The software is built by the service provider while the end users can configure it to suit their needs. The clients (end users) however, cannot change or modify the software. They cannot actually code or built the software we can only use it only after paying some monthly or annual fees. Platform as a Service ( PaaS ): It offers a platform to clients for different purposes. The end users may or may not know that the application is hosted on the cloud, and the space is allotted to the client according to his or her application requirement. Like SaaS they also need to pay a nominal fees for the service.

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Infrastructure as a Service ( IaaS ): It offers infrastructure on demand. The infrastructure can be anything from storage servers to applications to operating systems. The best feature in IaaS is that the service provider will set up and maintain the infrastructure along with the applications. Thus, saving space and time. Role In Service Oriented Architecture

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Advantages :

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Disadvantages :

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Implementation Challenges Of Cloud Computing Challenge #1: Safeguarding data security Potential adopters are concerned about the security of data outside the corporate firewall. This is what happened, for example, in the wake of the WikiLeaks activities: when attacks came into the provider hosting WikiLeaks, all other clients were affected as well. Challenge #2: Managing the contractual relationship Cloud contracts generally focus on service-level agreement (SLA) guarantees, but the network of interactions within the overall ecosystem increases the complexity of SLAs. At present, relatively low compensation is offered by providers for breaches of SLAs, but competition should improve this situation, as should the development of cloud standards.

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Challenge #3: SLA-driven Cloud is administrated by service level agreements that allow several instances of one application to be replicated on multiple servers if need arises; dependent on a priority scheme, the cloud may minimize or shut down a lower level application. Challenge #4: Managing the cloud First, once introduced into the enterprise, cloud services can be easily updated or changed by business users without the direct involvement of the IT department. Second, organizations are still slow in developing management capabilities and principles for operating with cloud services

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Cloud computing is still struggling in its infancy, with positive and negative comments made on its possible implementation for a large-sized enterprise. Several groups have recently been formed, such as the Cloud Security Alliance or the Open Cloud Consortium, with the goal of exploring the possibilities offered by cloud computing and to establish a common language among different providers. However, the future looks less cloudy as far as more people being attracted by the topic and pursuing research to improve on its drawbacks. CONCLUSION

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Presented By: Saloni Gupta Chinmay Sarma Tanmoy Kakati Pejetdeuhungbe Riame

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