Cloud Computing: Issues Related with Cloud Service Providers

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1 Cloud Computing: Issues Related with Cloud Service Providers Nikhil Ranjan Assistant Professor Tula s Institute, Dehradun (An Engineering & Management College) Abstract- The Cloud Computing and the storage is the great innovation in the field of computing. But there are certain things that we need to be cautious about too. If there is no bigger down sides to Cloud Computing but also the user should not depend too heavily on these services. We have to identify the privacy issues; security and portability it offers and is also make contingencies should the service be terminated abruptly. The online service is more prone to threats. So in this paper we mainly focuses on Security and Privacy, Dependency, Cost, Decreased Flexibility and Integration issues related with Cloud Computing. I. INTRODUCTION Cloud Computing is the technology that uses the internet and centralized remote servers to maintain data and applications. The Cloud Computing is basically dealing the computing as a utility. In this we serves the Software as a Service commonly known as (SaaS). With the help of Cloud Computing we are getting served the large batch oriented task by only single server rather than many servers. Cloud Computing allows consumer and businesses to use a particular application without installation or access their personal files at any computer with internet access. A simple example of Cloud Computing is accessing our s which are either on any domain like Yahoo, Gmail or Hotmail etc. The user just need an internet connection and a internet browser and then user can start sending s irrespective of the need of the servers or the software s that are basically working behind this communication. The servers and the management software is on the cloud basically internet and is totally managed by the cloud service providers like Yahoo, Google etc. The user gets to use the software alone and enjoying the benefits. This technology allows for much more efficient and effective computing by centralized storage, memory, processing and bandwidth. The analogy is if you need milk, would you buy a cow? All the user or consumer need is to get the benefits (milk) of using the software or hardware of the computer like sending s etc. Just to get these benefits, then why should consumer buy (a cow) software s or hardware s. The basic concept of Cloud Computing is using 100 servers for one hour cost no more than using one server for 100 hours. This flexibility and elasticity of resources, without paying a premium for large scale, is unprecedented in the Information Technology history. II. IMPACT OF CLOUD COMPUTING The Cloud Computing is refers to both the application delivered as service over the internet and the hardware and the system software in the datacenters that provides that services. Cloud Computing is basically is broken down into three segments: Application - model of computation, Storage - model of storage and International Journal of Science Technology and Management Page 72

2 connectivity - model of communication. Each segment serves a different purpose and offers different products for businesses and individuals. In Cloud Computing the data is resides at the centralized location are basically called as datacenters hardware and the software is what we call a cloud. If this cloud is associated with the general public then we call it a Public Cloud. We use term Private Cloud to refer to internal datacenters. Here one more type of cloud is Hybrid Cloud, which is offering a possibility that customer which belongs to a single technology stack, to mix the private and public cloud service. So the Cloud Computing is basically is the sum of SaaS and utility computing but does not include the private cloud. People can be a user or providers of SaaS, or user or providers of Utility Computing. So we focus on SaaS Providers (Cloud Users) and Cloud Providers, which have received less or limited attention than SaaS users. For the hardware point of view there are three aspects for Cloud Computing: 1. It provides an illusion of infinite computing resources which are available on demand. 2. The elimination of an up-front commitment by the cloud user. 3. It also includes the ability to pay for use of computing resources on a short term basis as needed. Fig 1.1 Cloud containing various network devices The factors that includes network bandwidth, cost of electricity, operations, software and hardware are combined with statistical multiplexing to increase utilization compared a private cloud, that means a Cloud Computing could offer services below the cost of medium sized datacenters and hence make a good profits. We can also understand the Cloud Computing with the help of the concept of Web services. A web service is basically a method of communication between two electronic devices over the web. The World Wide Web consortium or W3C defines a web service as a software system designed to support interoperable machine to machine interaction over a network. Web service can also be used to implement architecture according to service oriented architecture (SOA) concepts, where the basic unit of communication is message, rather than International Journal of Science Technology and Management Page 73

3 the operation. This is sometime referred to as message oriented services. III. ISSUES RELATED WITH CLOUD SERVICE PROVIDERS Cloud Computing is provided as a service rather than the product, where the resources which include hardware, software and most important the valuable information that is available over the centralized server or a datacenter, which can be accessed by any of the unauthorized person better known as hacker. The main assets of any company are its data files with valuable customer information. So the severe business risk and challenges are associated with promised business advantage of a cloud. A proper standardized security model for Cloud Computing is not yet developed. Managing the Security, compliancy and privacy are still difficult issues for cloud. One of the problems that are associated with Cloud Computing is the security of the information regarding the particular organization. It is true that Cloud Computing is very economic and can saves money of many of our resources, but it has also been remember that the integrity and security of our valuable data and information comes first for any organization, which is going to be on cloud. To manage the physical location of the hardware has also been a problem area especially for a public cloud services. In this case risk of data loss due to improper backups or the system failure occurs in the virtual environment. So we need a strong Cloud Deployment Model to make use of the various Cloud Computing companies can use services on a Cloud Service Provider or CSP. Currently we have categorized the cloud under three major categories. These are Private Cloud, Public Cloud and Hybrid Cloud. Here the private cloud is internal within a company data service model, whereas in the public cloud service is provide too many center or dedicated service model. In lasts the hybrid cloud which is offering a possibility that customer which is from a single technology stack, to mix the public and private cloud services. So the private cloud with a public or hybrid cloud the CSP (Cloud Service Provider) uses resource pooling to serve multiple customer using virtual and physical deployment resources that are dynamically assigned and reassigned. The dependency issues related with the loss of control, where the quality problem with CSP. There is no influence on maintenance level and fix frequency when using cloud services form a CSP. The migration from one CSP to another is also not so easy. The measurement of resources usage and end user activities lies in the hand of the CSP. That will lead to tied with the financial health of another company. While in the long run, cloud hosting is a lot cheaper than traditional technologies. But as it is currently new and has to researched and improved quality actually make it more expensive. Data centers have to buy or developed the software that will run on the cloud makes it more expensive. So like in all other industries, the first customer pay higher price and have to deal with more issues than those who switch later. The hidden cost that was associated with the initial Cloud development includes backup, restore, disaster recovery and other problem solving which need an opaque regulations and norms. It needs a special customization to implement possible lower rate of business IT innovations. As the various models of Cloud Computing are still in testing stages, so they do not really offer the flexibility they promise. Similarly integration with the equipment hosted in the other data centers is difficult to achieve. Peripheral integration which include printers and local security IT equipments is difficult to integrate, but also USB devices or smart phones International Journal of Science Technology and Management Page 74

4 or groupware and systems are difficult to integrate. IV. CONCLUSIONS This paper specified that the Cloud Computing can give a significant business advantage. But to understand the risk involved in it and to make the Cloud Computing successful. We also suggest the logical and physical issues along with services of Cloud Service Providers in the Cloud Computing environment. We need a quality improvement for business and IT processes. The following problems remain to be addressed in the future: (1) Collaboration Issues, (2) New business opportunities, (3) Needed organizational change. REFERNCES Fig 1.2 Pros and Cons associated with Cloud Computing One of the important things is that the Cloud Computing is not a fundamentally new paradigm. Cloud Computing is also be draws on some of the existing technologies and approaches, which includes the distributed computing, utility computing, centralized datacenters and most important Software as a Service. The only new thing in this is to integrate these all of the pre-existing services and approaches. More and deeper knowledge is required for implementing and managing the Cloud by a CSP. Since all knowledge about the working of the Cloud which include the software, hardware, visualization and deployment is concentrated on the CSP, it is hard to get grip on the CSP. The current technologies are still in the testing stages, so they don t really offer the flexibility they promise, Off course that will change in the future, but some if the current users might have to deal with the fact that their Cloud server is difficult or impossible to upgrade without loosing some data. [1] Amazon EC2 Crosses the Atlantic. [2] Amazon S3 Availability Event: July 20, [3] Blue Cloud ibm.com/press/us/en/pressrelease/26642.wss. [4] EMC, Information-Centric Security. rnet_security/12.emc.pdf. [5] End-User Privacy in Human Computer Interaction. [6] Loss of customer data spurs closure of online storage service 'The Linkup' linkup-failure.html?page=1. [7] Security Guidance for Critical Areas of Focus in Cloud Computing. saguide.pdf. [8] IT Cloud Services User Survey, pt.2: Top Benefits & Challenges. [9] Storm clouds ahead soa-cloud.html?page=1. International Journal of Science Technology and Management Page 75

5 [10] Washington Post Case Study: Amazon Web Services [online]. Available from: solutions/case-studies/washington-post/. [11] CHENG, D. PaaS-onomics: A CIO s Guide to using Platform-as-a-Service to Lower Costs of Application Initiatives While Improving the Business Value of IT. Tech. rep., LongJump, [12] BARROSO, L. A., AND HOLZLE, U. The Case for Energy-Proportional Computing. IEEE Computer 40, 12 (December 2007). [13] Cloudera, Hadoop training and support [online]. Available from: [14] Loss of customer data spurs closure of online storage service 'The Linkup' linkup-failure.html?page=1. [15] THE AMAZON S3 TEAM. Amazon S3 Availability Event: July 20, 2008 [online]. July Available from: http: //status.aws.amazon.com/s html. [16] VOGELS, W. A Head in the Clouds The Power of Infrastructure as a Service. In First workshop on Cloud Computing and in Applications (CCA 08) (October 2008). International Journal of Science Technology and Management Page 76

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