Cloud Computing: Opportunities and Challenges

Dr.Anil Lamba, 2015

Cloud computing is becoming increasingly fashionable in distributed computing environment. Processing and Data storage use cloud environment is becoming a movement universal. Software as a Service (SaaS) has on many business applications as well as in our day to day life, we can simply say that this disruptive technology. Cloud computing can be seen since Internet-based computing, in which shared resources, software, and information are made available to devices on demand. It allows resources towards leveraged on per-use basis. It diminishes cost and complexity of service providers by means of assets and operational costs. It allows users to access applications tenuously. On behalf of user, this construct directs cloud service provider to feel software updates and cost of servers etc. For both, cloud providers and consumers; availability, integrity, authenticity, confidentiality, and privacy are important concern. Infrastructure as a Service (IaaS) serves as base layer for many other release models and Platform-as-a-Service (PaaS) clouds. Security of PaaS clouds is considered from multiple perspective including access control, service continuity and privacy while protecting together the service provider and the user. Security problems of PaaS clouds are explored and classified. In this paper we are going to some major security issues of current cloud computing environments. Keywords-cloud computing; deployment model; service level agreement; utility computing; privacy; platform as a service; software as a service; infrastructure as a service;

IJCSMC, 2022

In today’s era almost all the organizations are preferring to use cloud as their primary storage. Once the organization uploads its data to cloud, then the organization has no control over it. Then comes the security challenges in handling data to cloud service providers. While selecting a Cloud Service Provider we need to be aware about that service provider before giving our data because as from now you will not have all the control. This paper gives a better understanding on the concept of cloud computing and the risks that came up after outsourcing data handling tasks. Section 1 is Introduction, Section 2 discusses on various Service Models in Cloud Computing, Section 3 contains Cloud Deployment Models, Section 4 focuses on Security Issues and Challenges in Cloud Computing.

International Journal of Research in Engineering and Technology, 2014

One of the most promising field in computing is regarded as cloud computing, which allows users to store their data virtually over the cloud without the need of any fixed infrastructure. It offer user to manipulate their data regardless of the geographical position, hence providing a scalable, feasible and flexible way to connect user to their data. The cloud can be considered as of the Internet where data are usually stored and computing refers to the applications and services that it can provide. Users are connected to cloud by Cloud Service Providers through the Internet connection. Both users and cloud service provider agree on a protocol known as service level agreements for exchange of information. Cloud computing provides increase in capacity and grants the capability to perform computation on cloud infrastructure to its users. Cloud Computing is capable of providing more convenient communication and instant multi-point collaboration feature. Cloud computing provides better utilization of distributed resource over large amount of data and they can be access remotely through the internet. Quality of service should be kept in mind will designing the service level agreement. There are many problem related to cloud computing such as traffic managements, security and privacy. This paper provides a survey on the basic working principle of clouding computing. This paper provides an overview of the cloud architecture including the different types and level of clouds services. In this paper focus has been made upon the service level agreement, issue and security prospectus over the cloud computing.

Journal of Physics: Conference Series

Cloud computing is the most promising current implementation of utility computing in the business world, because it provides some key features over classic utility computing, such as elasticity to allow clients dynamically scale-up and scale-down the resources in execution time. Nevertheless, cloud computing is still in its premature stage and experiences lack of standardization. The security issues are the main challenges to cloud computing adoption. Thus, critical industries such as government organizations (ministries) are reluctant to trust cloud computing due to the fear of losing their sensitive data, as it resides on the cloud with no knowledge of data location and lack of transparency of Cloud Service Providers (CSPs) mechanisms used to secure their data and applications which have created a barrier against adopting this agile computing paradigm. This study aims to review and classify the issues that surround the implementation of cloud computing which a hot area that needs to be addressed by future research.

International Journal of Research and Scientific Innovation (IJRSI), 2019

Cloud computing is a lot of IT benefits that are given to a client over a system on a rented premise and with the capacity to scale up or down their administration prerequisites. Normally Cloud Computing administrations are conveyed by an outsider supplier who possesses the framework. Cloud computing holds the possibility to dispose of the prerequisites for setting up of surprising expense figuring framework for IT-based arrangements and administrations that the business employments. It guarantees to give an adaptable IT design, available through web from light weight convenient gadgets. This would permit multi-crease increment in the limit and abilities of the current and new software. This new financial model for registering has discovered ripe ground and is pulling in huge worldwide speculation. Numerous businesses, for example, managing an account, social insurance and training are moving towards the cloud because of the productivity of administrations given by the compensation per-use design dependent on the assets, for example, preparing power utilized, exchanges completed, transmission capacity expended, information exchanged, or storage room involved and so forth. In a cloud computing condition, the whole information lives over a lot of organized assets, empowering the information to be gotten to through virtual machines. Not with standing the potential increases accomplished from the cloud computing, the associations are moderate in tolerating it because of security issues and difficulties related with it. Security is one of the serious issues which hamper the development of cloud. There are different research difficulties likewise there for embracing cloud computing, for example, very much overseen administration level understanding (SLA), protection, interoperability and unwavering quality. This exploration paper presents what cloud computing is, the different cloud models and the diagram of the cloud computing engineering. This examination paper likewise dissects the key research difficulties present in cloud computing and offers best practices to specialist coops just as ventures planning to use cloud administration to enhance their main concern in this extreme financial atmosphere.

IOSR Journal of Computer Engineering, 2014

The extensive use of information and communication technology has transformed manufacturing organizations and economies into information centric and customer focused organizations. In present times, the information about a product or customer has become as valuable to the company as the product or service. However gaining information is an evolutionary process which begins with collection and storage of data to analysis and processing which is transformed into knowledge. It is this knowledge that is mission critical for organizations and their success. It is extremely vital for an organization to ensure that at no point of operation, the data which enables it with this knowledge is compromised. To ensure this the organizations invest a significant volume of their capital to set up an IT infrastructure to Preserve, Process and Protect this most valuable asset to an organization in present paradigm, its data. However for a small and medium sized company it is extremely demanding to implement the fundamentals of this new information based economy as it requires a significant investment upfront. For such organizations choosing cloud computing is a cost effective alternative but with obvious concerns. Cloud Computing offers the opportunity to access IT resources and services with appreciable convenience and speed. Whilst cloud computing is gaining growing popularity in the IT industry, it also meets with some challenges like data security, integrity, availability. This paper discusses the concept of "cloud" computing and its prospects and challenges. The benefits of cloud computing has led increasingly many enterprises to outsource their IT resources tothe cloud, despite some challenges. The main contribution of this paper is that we discuss challenges that organizations which want to migrate to cloud faces.

Now a days the work is being done by hiring the space and resources from the cloud providers in order to do work effectively and less costly. This paper describes the cloud, its challenges, evolution, attacks along with the approaches required to handle data on cloud. The practice of using a network of remote servers hosted on the Internet to store, manage, and process data, rather than a local server or a personal computer. The need of this review paper is to provide the awareness of the current emerging technology which saves the cost of users.

Cloud computing is a new way of delivering computing resources, not a new technology; a term simply renames common technologies and techniques that we have come to know in IT. It is the most significant technique in the 21 st century. This new technique conveys enormous impact to the society, especially the business world. The services of cloud computing sets the clients free from worrying about data processing problems, so that they can focus on their major businesses. This new economic model for computing is increasingly becoming popular and is seeing massive global investment. Despite the surge in activity and interest, there are significant, persistent concerns about cloud computing that are the major barriers for cloud adoption. This paper mainly focuses on the three cloud service models, commonly referred to as Software as a Service (SaaS), Platform as a Service (PaaS) and Infrastructure as a Service (IaaS), its major threats and some guidance on situations where particular flavor of cloud model are best option for an organization. This also discusses with example some major cloud service providers in order to show that how cloud computing will make the business world simpler, more efficient and more specialized.

2014

The paper identifies the issues and the solution to overcome these problems. Cloud computing is a subscription based service where we can obtain networked storage space and computer resources. This technology has the capacity to admittance a common collection of resources on request. It is the application provided in the form of service over the internet and system hardware in the data centers that gives these services. But having many advantages for IT organizations cloud has some issues that must be consider during its deployment. The main concern is security privacy and trust. There are various issues that need to be dealt with respect to security and privacy in a cloud computing scenario [4].

ARS Publications, Chennai, 2020

This book “Cloud Computing” is to understand the concepts, key technologies, strengths and limitations of Cloud Computing. It contributes an impression towards enabling the technologies, in the development of cloud. It provides a preliminary study to understand and use architecture of compute and storage cloud, service and delivery models. It will help the beginner to understand and have hands-on experience in implementing the Cloud with resource management and security.