The cloud has revolutionized the way that organizations and people access, store, and manage data. It has come a long way from when it first entered the mainstream of modern IT infrastructure ten years ago — no longer catering just to niche industries, this technology enables businesses large and small to tap into immense processing power without the need to commit massive amounts of capital upfront for equipment and maintenance. Whether we are running applications in the enterprise or saving personal photos, cloud computing underpins our daily digital lives today.
What is Cloud Computing?
The cloud is an umbrella term for the delivery of computing services spanning storage, processing power, and applications over the internet. Rather than run locally on a user’s computer or local server, users access resources such as CPU and storage via the internet using another company’s servers — in this case a cloud service provider. Cloud computing, as one model of flexible resource scaling, allows users to scale their processing or storage capacity on demand without the cost of capital infrastructure. Most services are provided on a pay-as-you-go basis so that businesses and individuals can only pay for the resources they consume.
Cloud computing typically includes three types of service models landscape,
- Infrastructure as a Service (IaaS): IaaS is the most basic form of cloud computing. This is a service that enables users to virtualize computing resources, such as networking storage and VMs. In clouds, businesses can rent infrastructure and scale as needed. A few well-known IaaS providers are AWS –Amazon Web Services, Microsoft Azure, and The Google Cloud Platform (GCP). IaaS allows businesses to scale up or down with demand while avoiding the cost of buying and maintaining physical servers.
- Platform as a Service (PaaS) — Developers can build, test, and deploy applications on top of a supplied infrastructure with higher-level support. Additionally, a cloud provider delivers an entire platform including development tools, operating systems, and database management systems as PaaS; its other services come along with storage and processing power. With PaaS platforms, developers can now entirely focus on application development instead of managing the highly complex hardware and software infrastructure. Some PaaS providers are App Engine by Google, Microsoft Azure Application Services, and Heroku.
- Software as a Service: Cloud-based software applications This is the most common version of cloud computing. With SaaS, there is no wear and tear for users to put up with, as all they must do is log in to an app through a supported web browser by typing the URL into their address bar. SAS configurations range from productivity suites like Microsoft Office 365 and Google Workspace, all the way through to customer relationship management (CRM) solutions such as Salesforce. For both consumers and businesses, SaaS offers an affordable way to access feature-rich software without the overhead of maintaining or updating it.
Cloud Deployment Models
- Public Cloud: One popular type of cloud deployment is public clouds, which are hosted by an external provider. Public cloud providers such as AWS, Google Cloud, and Microsoft Azure are providing many online services. Public Cloud Public cloud services are a cost-effective, scalable alternative to a more traditional computing service, and are suitable for those businesses that need flexibility but do not want to invest in on-premises infrastructure.
- Private Cloud— Hosted on-premises or in a dedicated data center, a private cloud is intended for a single organization. Private clouds offer more security and control compared to public clouds, since the infrastructure is specific to the company using them. Businesses that work with sensitive data, such as financial institutions or government agencies, often prefer private clouds for this reason. Private clouds are more expensive and harder to upkeep, but they give you access to the most control over data, making them a top choice if you have sensitive information that could be damaging if shared with others.
- Hybrid Cloud: Dual public and private cloud infrastructures marry public cloud scalability with the security and control of a private data Hybrid cloud solutions are flexible, so you can move apps and data from one environment to another on demand. For example, you might need to use a public cloud to add processing power during peak loads, while saving personal details on a protected private cloud.
Some Major Advantages of Cloud Computing
- Cost Efficiency: With cloud computing, you no longer need to make large upfront investments in hardware data centers and IT infrastructure, which helps to reduce your overall cost of ownership. Instead, your expenses are based on a pay-as-you-go or subscription basis, so you only pay for the services your company consumes. At the same time, you can also spend less capital on hosting and physical storage. Because cloud providers also handle security updates and maintenance, this reduces operating costs even further and provides more time for you to focus on core responsibilities.
- Scale on demand: Cloud computing resources can be easily scaled up or down. This flexibility, which is almost impossible to achieve with traditional infrastructure, permits storage to be augmented for a very high period usage peak and decreased again during low period uses. For example, an e-commerce company might have a holiday spike in site visitors. With cloud computing in place, the company can quickly scale up its server solutions to ensure that the system does not fail, and at the same time provide a seamless user experience.
- Disaster Recovery and Business Continuity: Cloud computing offers a solid disaster recovery solution. Cloud providers normally keep data in no less than two separate zones where it can quickly be reestablished in the event of an assault, hardware failure, or decimation brought about by natural disasters, enabling businesses to continue with minimal disruption. Cloud-based backup solutions also eliminate the need for manual backups and excessive recovery infrastructure.
- Remote Access and Collaboration: Cloud computing lets users access information, programs, and services from any location across the world through the internet. Cloud-hosted collaboration tools like Microsoft Teams, Slack, and Google Drive enable employees to work together, seamlessly and in real-time from wherever they are. Such connectivity has led to an increase in the productivity and efficiency of all industries.
- Security and Compliance – we cannot talk about cloud computing without talking about security. Modern providers like Amazon AWS, Microsoft Azure, and Google Cloud have world-leading security features. Top cloud service providers all use secure multi-factor authentication firewalls, and encryption to protect data at rest and in transit, making certain that only authorized users can access the information. Many cloud service providers also offer compliance certifications for industry-specific and other regulations like GDPR (General Data Protection Regulation) and HIPAA (Health Insurance Portability & Accountability Act) which are great for companies who need to comply with legal regulations.
Cloud Computing Services in Different Industries
- Healthcare: The healthcare industry offers telemedicine services that require patient records to be securely stored in addition to allowing physicians to hold virtual patient consultations. Cloud-based platforms not only foster data sharing and bring providers together at the same table, but also drastically improve access to critical patient data.
- Finance: Cloud computing has revolutionized the world of finance, opening the potential for real-time data analysis algorithmic trading, and fraud detection
- Retail: cloud computing has revolutionized the way that customers do business. It offers advantages, including enhanced customer experience, optimized supply chain, and improved marketing initiatives. Retail solutions leveraging cloud-based analytics make personalized recommendations, better inventory management, and behavior prediction all possible.
- Training: Cloud computing has proved to be a boon for the education sector, as it made collaboration tools possible in virtual classrooms and remote learning. Cloud-based Learning management system (e.g., Moodle and Blackboard) enables both teachers and students to be remote, giving them access to learning materials, assignments, and discussion forums.
Trained professionals from eMazzanti can help you evaluate, implement, and maintain cloud computing systems.