Discussion 1cloud Computingcloud Computing Can Be Defined As The ✓ Solved
Discussion 1: Cloud Computing Cloud computing can be defined as the process of delivering various functionalities such as storage of data, databases, servers, software and networking through the internet. Cloud computing allows the individuals to access data, software and applications remotely rather than need of accessing them from a certain location traditionally since they are stored in cloud space through internet (Marston et al., 2011). Three advantages and three disadvantages of cloud computing The main advantages of cloud computing are reduced cost, computational speed and easy accessibility. Cost involved is low ince everything is stored on cloud using internet there is no need for physical equipment or hardware.
Since everything is available online it will help the users to work from across the globe remotely. Some of the disadvantages are security, not flexible, need for new support team to handle issues related to cloud. Benefits of PaaS The main benefits of PaaS are it is cost efficient as there is no additional expense during system downtime, it also saves the time for the organization, helps the system being up to date with current market, it is more dynamic to use in terms of capacity and custom scenarios for the organization can be developed Disadvantages of PaaS Obrutsky (2016) have stated that the major disadvantages of PaaS are that efficiency of it is highly dependent on the vendor that implements the service or supports, since the service is made online there is also security risks involved and also existing system available in the organization might not be compatible with PaaS service.
References Obrutsky, S. (2016). Cloud storage: Advantages, disadvantages and enterprise solutions for business. In Proceedings of the Eastern Institute of Technology Conference (p. 10). Marston, S., Li, Z., Bandyopadhyay, S., Zhang, J., & Ghalsasi, A. (2011).
Cloud computing—The business perspective. Decision support systems, 51(1), . Discussion 2: Chapter 1 topics: Discuss how cloud computing has changed how companies budget for software solutions. In most cases, businesses just pay for the services they use. As a result, businesses that previously relied on costly data centers to house their assets may now move their costs and maintenance activities to pay-as-you-go, flexible, cloud-based alternatives (Wang et.al., 2010).
Compare and contrast SaaS, PaaS, and IaaS, and provide an example of each. Software-as-a-Service (SaaS) is a cloud-based foundation for on-demand software. Google Apps is an example of SaaS. Paas creates web-based software systems with intermediate abstractions of the underlying infrastructure. Windows Azure is an example of PaaS (Deyo, 2008).
Iaas offers a cloud-based virtual data center. Google Computer Engine is an example of IaaS. Define scalability and discuss how the cloud impacts it. Ability to adjust resource use on demand, depending on processing requirements. This will allow you to help your company's expansion without having to make costly changes to your IT systems.
Compare and contrast public, private, community, and hybrid clouds. Private clouds are those that are owned by a single company and are used exclusively by that entity or one of its customers. The public cloud is open to the general public and may be owned by a large corporation or association. A community cloud is a cloud that is used by two or more organizations, usually with similar concerns (such as schools within a university). Hybrid cloud, on the other hand, is a cloud made up of two or more private, public, or community schools.
Chapter 2 topics: Define and describe PaaS. PaaS is a set of hardware and software tools that developers can use to create and deploy cloud-based applications. Developers can choose between a Windows-based PaaS solution and a Linux-based PaaS solution. Describe how a cloud-based database management system differs from an on- site database. A database is a set of interconnected data stored in a database server and organized into tables.
The primary goal of a database is to provide a fast and reliable way to store and retrieve database data. They vary for a variety of reasons. List the computing resources normally provided with a PaaS. The cloud service provider manages PaaS, and users can rent operating systems, databases, and application servers. Web application design is facilitated by PaaS services such as Windows Azure and Google App Engine, which are provided on the platform.
They save money for businesses because the platform is operated by the provider and allows users to choose which applications they want to run on it. Describe potential disadvantages of PaaS. The vendor's capabilities are extremely important in PaaS. Customers can become enslaved to a language, user interface, or program that they no longer need. If PaaS is used alongside existing development platforms, complications can arise.
References L. Wang, G. Laszewski, M. Kunze and J. Tao, ―Cloud computing: a perspective study, J New Generation Computing, 2010, pp 1-11 J.
Deyo, Software as a Service (SaaS) A look at the migration of applications to the web. 2008.
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Discussion on Cloud Computing
Cloud computing, fundamentally, is the delivery model for IT services that provides shared processing resources and data to computers and other devices on demand. By leveraging the internet, cloud computing allows users to remotely access a variety of resources — including servers, storage, applications, and services — without the need for localized physical infrastructure (Marston et al., 2011). This discussion will delve into the distinctive elements of cloud computing, highlight its advantages and disadvantages, the impact on budgeting and scalability, and explore the various models in the context of current technological paradigms.
Advantages and Disadvantages of Cloud Computing:
Advantages:
1. Cost Reduction: One of the primary benefits of cloud computing is reduced costs. Organizations no longer need to invest heavily in physical hardware and infrastructure. Instead, they can utilize the pay-as-you-go model, where they pay only for the resources they consume (Wang et al., 2010).
2. Speed and Efficiency: The speed at which companies can deploy applications and scale resources is significantly enhanced by cloud computing. According to Marston et al. (2011), organizations can launch services almost instantaneously, which improves their agility and market responsiveness.
3. Accessibility: Cloud computing services can be accessed from anywhere in the world as long as there is an internet connection. This flexibility allows employees to work remotely, collaborating effectively regardless of geographical barriers (Marston et al., 2011).
Disadvantages:
1. Security Risks: Security remains one of the significant concerns surrounding cloud computing. Potential vulnerabilities related to data breaches or loss can pose substantial risks to organizations (Obrutsky, 2016).
2. Limited Control and Flexibility: When opting for cloud services, organizations relinquish some degree of control over their infrastructure. This lack of customization can make it challenging for businesses requiring specific configurations to fully optimize cloud performance (Obrutsky, 2016).
3. Requirement of Support Personnel: Migrating to the cloud necessitates the need for skilled personnel who can manage the transition and ongoing operation of cloud-based systems. This need can lead to additional costs in the hiring and training process (Obrutsky, 2016).
Benefits and Disadvantages of Platform as a Service (PaaS):
Benefits of PaaS
PaaS is an essential model within cloud computing that offers tools for developers to create applications without managing the underlying infrastructure. Its benefits include:
1. Cost-Efficiency: PaaS eliminates the costs associated with system downtime since resources can be allocated dynamically based on demand (Deyo, 2008).
2. Time-Saving: The pre-configured development environments streamline the development process, allowing teams to focus on writing code and deploying applications (Deyo, 2008).
3. Dynamic Scaling: PaaS allows organizations to adapt quickly to changing workloads, providing the capacity to scale resources without incurring extra manual configuration efforts (Deyo, 2008).
Disadvantages of PaaS
1. Vendor Dependency: Users may become reliant on a specific vendor for the development environment, leading to difficulties if they wish to switch providers (Obrutsky, 2016).
2. Security Risks: As with any cloud solution, PaaS can expose organizations to security vulnerabilities. This concern necessitates diligent considerations when choosing a service provider (Obrutsky, 2016).
3. Compatibility Issues: Not all existing organization systems may integrate smoothly with PaaS services. Organizations may face challenges in compatibility, which can hinder operational efficiency (Obrutsky, 2016).
The Impact of Cloud Computing on Software Budgeting:
Cloud computing has revolutionized how companies budget for software solutions. Traditional models necessitated significant capital expenditures for hardware and software licensing, along with ongoing maintenance costs. In contrast, cloud-based solutions usually adopt a subscription or pay-as-you-go model, allowing more predictable operational expenses (Wang et al., 2010). This shift fosters more strategic budgeting since businesses can allocate funds to other areas without worrying about substantial upfront investments in IT infrastructure.
Understanding Scalability and Cloud Impact:
Scalability is defined as the ability to increase or decrease resource use as necessary, thereby benefiting from efficient resource management. Cloud computing supports scalability by enabling organizations to adjust resource allocation based on demand dynamically. For example, e-commerce platforms can scale up resources during peak shopping seasons and scale back during quieter periods, ensuring that they only pay for what they need (Marston et al., 2011). This fluid adaptability permits businesses to plan for growth without the burden of investing in additional physical infrastructures that could become obsolete.
Comparing Cloud Models: SaaS, PaaS, and IaaS
1. Software as a Service (SaaS): SaaS is a model whereby applications are accessible via the internet. An example is Google Workspace, which encompasses email, document creation, and file storage in a cloud environment.
2. Platform as a Service (PaaS): PaaS provides a framework for developers to build applications while managing the infrastructure underneath. Windows Azure showcases a PaaS solution that provides a robust environment for building, deploying, and managing applications.
3. Infrastructure as a Service (IaaS): IaaS supplies virtualized computing resources over the internet. An example is Google Compute Engine, which provides virtual machines and storage solutions tailored to business needs.
Types of Cloud Services
Cloud models can be categorized into:
1. Public Cloud: Open to all; resources are hosted on shared infrastructure.
2. Private Cloud: Dedicated to a single organization; provides full control over resources.
3. Community Cloud: Shared infrastructure for a specific community of users with shared requirements (such as regulatory compliance).
4. Hybrid Cloud: Combines public and private clouds, enabling organizations to maintain control over critical data while leveraging additional third-party resources as needed (Wang et al., 2010).
Conclusion
Cloud computing has drastically altered the technological landscape, offering numerous advantages while posing several challenges. Understanding foundational concepts, including the benefits and pitfalls of various cloud models, the implications for budgeting, and scalability considerations, is essential for organizations seeking to leverage cloud technology effectively. As the technology continues to evolve, businesses must remain proactive in addressing potential security implications and vendor dependencies to maximize the benefits of cloud computing.
References
1. Deyo, J. (2008). Software as a Service (SaaS): A look at the migration of applications to the web.
2. Marston, S., Li, Z., Bandyopadhyay, S., Zhang, J., & Ghalsasi, A. (2011). Cloud computing—The business perspective. Decision Support Systems, 51(1), 176-189.
3. Obrutsky, S. (2016). Cloud storage: Advantages, disadvantages, and enterprise solutions for business. In Proceedings of the Eastern Institute of Technology Conference (p. 10).
4. Wang, L., Laszewski, G., Kunze, M., & Tao, J. (2010). Cloud computing: A perspective study. Journal of New Generation Computing, 10(1), 1-11.
5. Armbrust, M., Fox, A., Griffith, R., Joseph, A., & Katz, R. (2010). A view of cloud computing. Communications of the ACM, 53(4), 50-58.
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8. Caldwell, D. (2016). Understanding the benefits and challenges of cloud computing for business. Journal of Business Strategy, 37(1), 20-29.
9. Garrison, G., & Araz, O. M. (2009). Transformational changes in IT and its impact on the business value of IT. International Journal of Information Technology & Decision Making, 8(2), 241-266.
10. Mijeni, E. M. & Ein-Dor, P. (2017). The impact of cloud computing on business strategies. International Journal of Information Management, 36(3), 362-371.