cloud-computing--------------------.pptx

cloud ppt

1. What is cloud computing Cloud computing is the delivery of computing services like servers, storage, databases, networking, software, analytics, intelligence - all delivered over the internet ("the cloud"). It allows users to access these services on-demand, without having to manage physical infrastructure themselves

2. Features On-demand access: Users can access computing resources as needed, rather than having to buy and maintain their own equipment. Scalability: Resources can be easily scaled up or down to meet changing needs. Flexibility: Cloud computing offers a wide variety of services that can be used for a variety of purposes. Cost savings: Businesses can save money on hardware, software, and IT staff by using cloud computing. Increased collaboration: Cloud computing can make it easier for teams to collaborate on projects, as everyone can access the same data and applications from anywhere.

3. Cloud Computing Deployment Models

4. 1. Public Cloud: A public cloud is the most common model. Resources like servers and storage are owned and operated by a cloud service provider (CSP) like Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). These resources are shared among multiple users over the public internet. Pros: Public clouds are cost-effective, highly scalable, and easy to set up. They offer a wide variety of services and are generally very reliable. Cons: Security can be a concern, as you are sharing resources with other users. You also have less control over the underlying infrastructure.

5. 2. Private Cloud: A private cloud offers a dedicated cloud environment for a single organization. The infrastructure can be located on-premises or hosted by a cloud service provider. Pros: Private clouds provide the highest level of security and control. They are also ideal for organizations with sensitive data or compliance requirements. Cons: Private clouds can be more expensive than public clouds and require more IT expertise to manage.

6. 3. Hybrid Cloud: A hybrid cloud combines elements of both public and private clouds. This allows organizations to take advantage of the benefits of both models, such as the scalability and cost-effectiveness of the public cloud and the security and control of the private cloud. Pros: Hybrid clouds offer a flexible and scalable solution that can meet the needs of a variety of organizations. Cons: Managing a hybrid cloud can be complex, as it requires integrating different cloud environments.

7. 1.Infrastructure as a Service (IaaS): IaaS provides the most basic level of cloud service. With IaaS, the cloud provider rents out virtualized computing resources like servers, storage, and networking. The customer is responsible for managing everything on top of that, including the operating system, applications, and data. Pros: IaaS offers the greatest level of control and flexibility for the customer. You can configure the infrastructure to meet your specific needs. Cons: IaaS requires a high level of technical expertise to manage. It's also not very cost-effective for small workloads.

8. 2.Platform as a Service (PaaS): PaaS provides a complete development and deployment environment in the cloud. The cloud provider manages the underlying infrastructure (servers, storage, networking) as well as the operating system and middleware. This allows the customer to focus on developing and deploying applications without having to worry about the underlying infrastructure. Pros: PaaS is easier to use and manage than IaaS. It's a good option for organizations that want to develop and deploy applications quickly and easily. Cons: PaaS offers less control and flexibility than IaaS. You are limited to the tools and resources that are provided by the cloud provider.

9. 3.Software as a Service (SaaS): SaaS is the most widely used cloud service model. With SaaS, the cloud provider delivers a complete software application over the internet. The customer doesn't need to install or manage any software; they simply access the application through a web browser or mobile app. Pros: SaaS is the easiest to use and manage of all the cloud service models. It's also very cost-effective, as there is no upfront software cost. Cons: SaaS offers the least amount of control and flexibility. You are limited to the features and functionality that are provided by the cloud provider.

10. Cloud Applications Storing and Sharing Files: Cloud storage services like Dropbox, Google Drive, or iCloud allow you to store your photos, documents, and other files online. This makes them accessible from any device with an internet connection and simplifies sharing with others. Streaming Services: When you watch a movie on Netflix, listen to music on Spotify, or browse shows on Hulu, you're using cloud-based applications. The videos and music are stored on remote servers and streamed to your device on-demand. Emailing: Popular email services like Gmail, Outlook, and Yahoo Mail all rely on cloud computing. Your emails are stored on remote servers, allowing you to access them from any device and ensuring they're not lost if your local device malfunctions. Online Collaboration: Cloud-based tools like Google Docs, Microsoft Office 365, and Slack enable real-time collaboration on documents, presentations, and projects. Multiple people can work on the same file simultaneously, regardless of location.

11. Cloud Applications Mobile Apps: Many of the mobile applications you use daily, from social media platforms like Facebook and Instagram to banking apps and navigation tools, run on cloud infrastructure. This allows them to scale to millions of users and provide consistent performance. Business Operations: Businesses of all sizes leverage cloud computing for various tasks. They can use cloud-based accounting software, customer relationship management (CRM) tools, and enterprise resource planning (ERP) systems to manage finances, track customer interactions, and streamline operations. Web Browsing: Even basic web browsing relies on cloud infrastructure. When you visit a website, the content is stored on remote servers and delivered to your device through the cloud.

12. C loud Computing Challenges Security Concerns: Data security is a major concern when moving sensitive information to the cloud. You're trusting a cloud service provider with your data, so ensuring its security is crucial. This involves robust access controls, encryption, and compliance with relevant regulations. Data Privacy and Compliance: Data privacy regulations like GDPR and CCPA add complexity to cloud adoption. Organizations need to ensure their cloud provider adheres to these regulations and that they have mechanisms in place to manage and control their data in the cloud. Downtime and Reliability: Although cloud providers strive for high uptime, outages can still occur. This can disrupt operations and cause data loss. It's essential to choose a provider with a reliable track record and have a disaster recovery plan in place.

13. Cloud Computing Challenges Cost Management: While cloud computing can be cost-effective, managing costs can be tricky. Unforeseen charges can arise from data egress fees, underutilized resources, or exceeding free tiers. Careful planning, monitoring usage, and choosing the right pricing model are essential for optimal cost management. Vendor Lock-in: Once you become reliant on a particular cloud provider's platform and services, it can be difficult and expensive to switch to another provider. Carefully evaluate your needs and consider portability options before committing to a single vendor. Lack of Control: With cloud computing, you cede some control over your infrastructure and data to the cloud provider. This can be a concern for organizations with strict security requirements or those needing granular control over their systems. Lack of Expertise: Implementing and managing cloud environments can require specialized skills and knowledge. Organizations may need to invest in training their IT staff or hire cloud professionals to ensure successful cloud adoption.

14. Cloud Computing Challenges Performance Issues: Network latency and bandwidth limitations can impact cloud application performance, especially for geographically dispersed users or applications requiring real-time responsiveness. Integration Challenges: Integrating cloud-based applications with existing on-premises systems can be complex. Organizations need to consider data formats, APIs, and security protocols to ensure seamless integration. Complexity of Multi-Cloud Environments: Many organizations adopt a multi-cloud strategy, using services from multiple providers. This can increase complexity in terms of managing different cloud platforms, security policies, and billing.

15. Cloud Security 1. Data Security Ensure data is encrypted both at rest and in transit using robust encryption standards. Implement strong authentication mechanisms Data Masking and Anonymization 2. Identity and Access Management (IAM) Properly manage user identities, roles, and permissions. Simplify access control while improving security. Assign permissions to users based on their roles within the organization. 3. Network Security Utilize firewalls to control traffic and VPNs for secure connections. Intrusion Detection and Prevention Systems (IDPS) : Divide the network into smaller, isolated segments

16. Cloud Security 4. Threat Intelligence and Incident Response Use advanced analytics and machine learning to detect threats. Develop and regularly update an incident response plan Centralize logging and analyze security events in real-time. 5.Physical Security Data Center Security : Ensure the physical security of cloud service provider data centers. Access Controls : Restrict physical access to critical infrastructure. 6.Compliance and Governance Ensure adherence to relevant regulations. Maintain logs and perform regular audits to ensure compliance. Develop and enforce security policies.