What is Amazon Web Services

What is Amazon

American multibillion dollar company with headquarters in Seattle, Washington, USA.
Started in 1995 by Jeff Bezos as an online bookstore.
but soon diversified, selling DVDs, VHSs, CDs, video and MP3 downloads/streaming, software, video games, electronics.
The company also produces consumer electronics: Kindle e-book reader
In 2006, Amazon officially launched the Amazon Web Services (AWS) to became a major provider of cloud computing services.

Amazon Web Services (AWS) is a collection of remote computing services (web services) that together make up a cloud computing platform, offered over the Internet by Amazon.com.
Website: Amazon
AWS is located in 25 geographical 'Regions‘. Each Region is wholly contained within a single country
Search for AWS global Infrastructure Map

AWS promises - 11 9's of availability 99.9999999

Low Ongoing Cost:, pay-as-you-go pricing with no up-front expenses or long-term commitments.

The cloud is like a virtual space on the internet where you can store, access, and manage data and applications remotely, to having a digital vault or workspace accessible from anywhere.

Scalability:
- Flexibility: Scale your resources up or down effortlessly to meet fluctuating demands, ensuring optimal performance without overspending.
- Cost Efficiency: Pay only for what you use, avoiding upfront investments in hardware and software.
Accessibility:
- Anywhere Access: Access your data and applications from any device with an internet connection, fostering seamless collaboration and productivity.
Reliability:
- Redundancy: Benefit from built-in redundancy and failover mechanisms, ensuring high availability and data integrity.
- Disaster Recovery: Safeguard your data against unforeseen disasters with automated backup and recovery solutions.

Data Centers: Cloud providers operate vast data centers worldwide, housing servers and networking infrastructure to store and manage data and applications.
Virtualization: Through virtualization technology, physical hardware is abstracted into virtual resources, enabling efficient resource allocation and management.
Internet Connectivity: Users access cloud services via the internet, securely transmitting data to and from remote servers located in data centers.
Service Models:
- Infrastructure as a Service (IaaS): Provides virtualized computing resources such as virtual machines, storage, and networking.
- Platform as a Service (PaaS): Offers platforms and tools for developing, testing, and deploying applications without managing underlying infrastructure.
- Software as a Service (SaaS): Delivers software applications over the internet on a subscription basis, eliminating the need for local installation and maintenance.

Cloud computing is like renting a fully-equipped workspace instead of building one from scratch. You get access to all the tools and resources you need without the hassle of maintenance and upgrades.
Key Characteristics:
- On-Demand Self-Service: Provision resources as needed without manual intervention from the service provider.
- Broad Network Access: Access cloud services from anywhere with an internet connection, ensuring ubiquitous connectivity.
- Resource Pooling: Pool computing resources to serve multiple users, optimizing resource utilization and efficiency.
- Rapid Elasticity: Scale resources up or down quickly to meet changing demands, ensuring agility and responsiveness.
- Measured Service: Pay for cloud services based on actual usage, providing transparency and cost control.

Regions: AWS operates in multiple geographic regions worldwide, strategically located to cater to diverse customer needs and regulatory requirements.
Availability Zones (AZs): Within each region, AWS establishes multiple availability zones, offering isolated locations with redundant power, networking, and cooling infrastructure.
Edge Locations: These are distributed points of presence located in various cities worldwide, facilitating content delivery and reducing latency through services like Amazon CloudFront.

High Availability: With availability zones spanning the globe, AWS ensures resilience and fault tolerance, minimizing service disruptions and downtime.
Low Latency: By strategically placing edge locations, AWS reduces latency for end-users, delivering content and applications with lightning speed.
Scalability: The global footprint of AWS enables seamless scaling of resources, allowing businesses to accommodate sudden spikes in demand and maintain optimal performance.

Elastic Load Balancing (ELB): ELB automatically distributes incoming traffic across multiple targets, optimizing resource utilization and ensuring high availability.
Auto Scaling: This feature dynamically adjusts the capacity of computing resources based on demand, enabling cost-effective scalability without manual intervention.
AWS Global Accelerator: Global Accelerator improves the performance and availability of applications by intelligently routing traffic across AWS's global network infrastructure.

Content Delivery: Organizations can leverage AWS's global infrastructure to deliver content seamlessly to users worldwide, enhancing user experience and engagement.
Disaster Recovery: By replicating data and applications across multiple regions, businesses can implement robust disaster recovery strategies, safeguarding against data loss and downtime.
Global Expansion: With AWS's global infrastructure, companies can easily expand their operations into new regions, reaching customers in untapped markets with minimal effort.