Table of Content
Why do we use AWS?Different Cloud Computing Deployment Models
AWS Architecture
What role does the AWS architecture play?
Important Elements of the AWS Architecture
Models for AWS Cloud Computing
Benefits of AWS
The drawbacks of AWS
Conclusion
AWS is currently one of the most well-known and dominant Cloud Computing markets. More than a million users, including approximately 2,000 government organisations, 5,000 educational institutions, and more than 17,500 non-profits, make up its active customer base, which spans more than 190 countries.
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Why do we use AWS?
The platform AWS is easy for new users to use. Websites and other applications can be quickly created and deployed on AWS. Being able to only pay for what we use makes it economical. No specific long-term agreement or payment commitment exists. High performance, availability, scalability, and security also features it offers. In order for clients to utilise this platform to its best, AWS design is essential to improving its general performance. This means that they can use AWS as their cloud provider with confidence.
Different Cloud Computing Deployment Models
The several deployment models that AWS offers will be covered in this section. It offers four different deployment options, including public, private, community, and hybrid clouds.
Public Cloud
The public cloud can be used if something needs to be released publicly for network users. This technique works best for businesses with expanding and changing demand.
Personal Cloud
Better security control is provided with a private cloud. Independent businesses typically employ this business strategy. All of the data is backed up internally and protected by firewalls in this instance so that it can later be hosted either internally or externally. An organisation should choose a private cloud if it wants to increase security, availability, and administration.
Community Cloud
In this form, cloud settings are manually shared among many firms that are a part of the same region or community. Banks, for instance, use the community cloud configuration.
Hybrid Cloud
Both public and private cloud features are present in this paradigm. This architecture makes it simple to supply resources through internal or external suppliers. It works best when businesses want flexibility, scalability, and security. In this scenario, businesses may engage with users via a public cloud while maintaining data security in a private cloud.
AWS Architecture
Let's move on to the AWS cloud provider's architecture.
AWS offers a plethora of practical alternatives, including pricing, server setup, and customised server mapping. A unique virtual private cloud is built to secure the web application, and resources are dispersed across availability zones to ensure redundancy during maintenance, as shown in the AWS architecture diagram. AWS EC2 instances are used to deploy web servers. Elastic Load Balancer balances the external traffic to the servers.
On the basis of dynamic scaling policies, we are able to add or delete instances and scale up or down. We reduce latency with the aid of Amazon CloudFront distribution. Additionally, it keeps up the edge sites throughout the world, which serve as caches for streaming and web content. On the other hand, our Internet domain is registered and managed through the Route 53 domain name service.
What role does the AWS architecture play?
Offering clients the best services based on web services technologies, adding or deleting virtual servers, the choice of services, etc. is made possible by the AWS architecture. The 24/7/365 accessibility of AWS resources and services allows for quick deployment of solutions in accordance with client needs.
Benefits and applications of the AWS architecture
- Its memory management capability makes it incredibly quick and dependable for clients to host websites and receive positive outcomes.
- The resources can be scaled up or down by clients based on their needs.
- Customers may use their extra time to focus on their business duties while leaving the rest to AWS because AWS is packed with cutting-edge technologies that lighten the workload.
- By guaranteeing the confidentiality, integrity, and availability of client data, it offers end-to-end security and privacy to its clients.
Important Elements of the AWS Architecture
Balancing loads
The AWS architecture's load balancing element makes it easier to improve the application and the server's effectiveness. In the architecture of conventional web applications, the hardware load balancer is typically utilised as a standard network appliance to handle load balancing. But the supply of load balancing has gotten more effective thanks to AWS Elastic Load Balancer. Traffic to EC2 instances in different AWS availability zones can be easily distributed. Additionally, traffic is allocated across dynamic additions.
Balancing with Elasticity
By adjusting a few of the traffic demands, the load balancing capacity can be smoothly increased or decreased. Additionally supported for advanced routing services are sticky sessions.
CloudFront by Amazon
This element is mostly used to provide the website's content. There are many different forms of content that can be stored across a global network, including static, dynamic, and streaming content. Users can automatically request content from any nearby location, which improves performance overall.
Flexible Load Balancing
When the necessary traffic needs to be provided to the web servers, ELB components come to help. The performance is substantially improved. With the help of an elastic load balancer, dynamic growth is simply accomplished. Its capacity can be changed according to the different traffic situations.
Security Administration
AWS is mostly recognised for its secure environment, where users can confidently deploy their work. It offers a capability for security grouping. Inbound network firewalls and ports, source IP ranges, and protocols that must be set in order to access EC2 instances are quite similar to this.
ElastiCache
When managing the RAM cache in the cloud, AWS's tool is really helpful. Cache clearing is important in memory management since it helps to lighten the burden on the server. It is simple to cache frequently used data to improve scalability, reliability, and speed.
Amazon RDS
Relational Database is what RDS stands for. It provides services that are extremely comparable to those of Microsoft SQL Server and MySQL and is very accessible and user-friendly.
Models for AWS Cloud Computing
We will learn about the three cloud computing models in this section, which are how AWS offers its services to clients all over the world.
IaaS
IaaS, which stands for Infrastructure as a Service, is a subset of cloud computing that gives users online access to a virtualized environment with computer resources. It offers clients network connectivity, storage, and processing on demand. This paradigm controls the management of networking, storage, and server infrastructures. On top of these resources, clients can create their own versions of the application.
PaaS
The platform-as-a-service business model gives customers access to a platform where they can create, run, and maintain any kind of application. Clients may receive PaaS through hybrid, private, or public clouds. This approach provides services like databases, emails, wait-for lists, workflow engines, etc. According to this approach, improved resource functionality is the responsibility of cloud service providers.
SaaS
Software as a Service, or SaaS, is a type of cloud computing model in which effective Internet deployment allows for the use of applications as services. This concept aids clients in getting rid of cumbersome software and hardware administration procedures. Additionally, they are permitted to change a few elements, such as the colour of their brand's logo, etc.
Benefits of AWS
Economical
Because AWS allows users to only pay for the services they really use, it is substantially more affordable. Additionally, installing and configuring pricey hardware will cost money if we decide to build a physical server. Therefore, it is preferable to use cloud services from cloud service providers, particularly AWS, which are both affordable and dependable.
Reliability
AWS is quite dependable because it offers year-round, round-the-clock service. The hosted apps and services are readily switched to any of the other servers automatically, so even if one of the servers fails, it will still be accessible.
Unrestricted Storage Capacity
Consumers frequently worry about storage capacity, however, AWS offers nearly unlimited storage, so users do not have to spend any additional money for storage. They are given unlimited storage.
Backup and Restoration
Compared to storing data on a physical device, AWS makes it simpler to store, back up, and restore data. Nowadays, almost all cloud service providers have the capability to recover all data in the event of a data loss, making it appropriate and beneficial for all industries.
Information Access Made Simpler
The drawbacks of AWS
Tech Problems
Every day without fail, AWS provides services to a large number of consumers. The system may occasionally experience a significant issue, which would temporarily stop a company's business operations. The business won't be able to use any applications, cloud data, or servers it was accessing through AWS if the Internet is unavailable.
Security Concerns
When using cloud services, businesses prioritise security the most because keeping crucial data and files safe is never a simple task. There is a possibility that hackers will gain access to the system. AWS, on the other hand, is made in a way that offers greater scalability, dependability, security, and flexibility.
Having Trouble Changing Service Providers
Even if cloud service providers fully guarantee their services when businesses want to migrate to another cloud service, they find it extremely challenging to integrate the existing cloud apps into the new cloud platform. The same is true for AWS services.
Conclusion
Applications can be deployed using the AWS serverless architecture without the requirement for a personal server. Applications running on the AWS platform don't need to manually manage, scale, or provision the servers. Everything needed to create and maintain the backend apps is provided by AWS. In the market, this platform is thriving thanks to competition from all the cloud service providers. In the age of cutting-edge technology, when everything is digital, there is a critical need for cloud computing, which AWS fully satisfies.