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AWS Tutorial
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Applications of AWS
AWS and its Significant Features
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AWS and its Significant Features
AWS IAM
Overview
The acronym of Amazon Web Services is “AWS”. The AWS is the leading Cloud Computing platform that permits users to access on-demand computing services such as Storage, Networking, Database, Application Services, Management Tools, Security & Identity, and Virtual Cloud Server on a pay-as-you-go model. Before stepping in deep into the Amazon Web Services Tutorial let us have a clear understanding of What is Cloud Computing is all about? In simple words Cloud Computing nothing but that which utilizes the Remote Servers that are found on the internet to store, process, and manage data instead of storing them in a personal computer or local server.
Intended Audiences: This AWS Tutorial is crafted skillfully considering both the Freshers and Experienced professionals who are passionate about learning the AWS Cloud Services and its attributes extensively.
Prerequisites: To learn about the Cloud Services there are no prerequisites needed in specific. However, having the idea of the fundamentals of Networking or Cloud Computing will be of more benefit for you to comprehend the concepts at ease.
Getting to know about Cloud Computing and the Services offered
As stated earlier Cloud Computing is nothing but the delivery of on-demand IT resources via the Internet which you can use as pay-as-per your need. Rather than spending time and money on purchasing, owning, and maintaining the physical data servers & centers, you can utilize the technology services namely storage, computing, and database from the cloud provider based on your needs and requirements. In this AWS Tutorial for Beginners, we are going to see about the benefits of Cloud, Types of Cloud, and its stacks.
Benefits of Cloud Computing
Scalability: With the deployment of Cloud services the businesses can scale up or scale down their infrastructure and technology as per their requirement. It significantly saves time, money, and labor involved in the infrastructure deployments. This in turn boosts the productivity and profitability of the business immensely.
The facility of the Self-Services: On using the Cloud Services, the Enterprises could gain resources that are congenial with any type of workloads and this consequently exterminate the need for handling and conventionally computing the resources.
Security: Cloud Computing Services provide the most secure features for their users. The users can just trust the Cloud Service providers with all trust and confidence as it enables the end-to-end security features.
Pricing method – Pay-as-you-go: This is the best part of using Cloud Services. The Users are asked to pay the cost only for the resources that they have utilized.
Types of Cloud Computing
Public Cloud: This Cloud is open to all for accessing and storing information through the Internet by using the pay-as-you-go method. In the Public Cloud Service, the Computation of resources and maintenance is dealt with by the respective Cloud Service Provider. The services of the public Cloud are open to all; it has no restriction on the number of users. It can be utilized by individual users as well as big enterprises. For Example Amazon Web Service
Private Cloud: The Private Clouds are also termed as the “Corporate Cloud or Internal Cloud”. Generally, the Private Cloud Services are used by the Organizations for building and handling their data centers either internally or by any third-party service providers. These services can be deployed using the Open Source tools namely – Eucalyptus and Openstack. The Private Cloud is intended for organizations that are seeking a fool-proof security system and a separate cloud service for their personal use.
Hybrid Cloud: It is a blend of Private & Public clouds. In the Hybrid Cloud, the organizations use the Private cloud for dealing with confidential & important operations and utilize the Public cloud to share the completed workloads and for scaling up the infrastructure. Usually, the Companies can’t just survive with the aid of the Private cloud as it requires the support of the public cloud to serve numerous and different purposes in a single shot. Hence, a perfect balance between both these clouds are highly recommended and this can be accomplished only with the help of a hybrid cloud. Examples of the Hybrid Cloud are:
- Google Application Suite – Google Apps, Gmail, and Google Drive
- Office 365 – MS Office on the Web drive and One Drive
Community Cloud: A Community Cloud permits the services and system to be accessed by a group of different organizations to share the resources and information between the different organizations of a specific community. Usually, it is owned, operated, and handled by more than one or more organizations in a community, or by a third-party service provider, or a combination of these two. Example: HealthCare Community Cloud.
Cloud Computing Stacks
The Stacks of the Cloud Computing are – SaaS, PaaS, and IaaS
- SaaS – Software as a Service: It permits the companies to utilize the software without having them purchase it separately. This significantly reduces the expenditure of the company as these services are already pre-installed on the Cloud Server the users can quickly deploy them directly and therefore it saves time immensely.
- PaaS –Platform as a Service: It permits the developers to collaborate and build applications on any projects without worrying about the purchase of the infrastructure. It provides the space for the testing and development of an application. Since you develop your projects on the Cloud and the maintenance of the infrastructure is completely handled by the Cloud.
- IaaS –Infrastructure as a Service: It enables the companies to rent the storage, servers, space, virtual machines, and other things from the Cloud provider.
And over here the AWS offers all these three stacks that are scalable and reliable at a cost-efficient range. In the upcoming AWS tutorial, we will guide you swiftly through essential AWS Services and how it functions in-depth with numerous illustrations and elaborate explanations.
AWS and its Significant Features
AWS is the stellar Public Cloud Service provider that supports its users with the best Cloud Services and Infrastructure for enterprises to host their applications. AWS is the most flexible and cost-efficient cloud service provider that is available in over 190+ Countries. In the year 2006, AWS embarked on its presence in the IT domain. Later AWS decided to provide vacant cloud servers for the general public. Currently, the Services offered are EC2, Elastic Beanstalk, and S3 have become the benchmark standards in the Cloud Computing space. AWS has helped the small-scale business for deploying Cloud Applications rapidly. Also, these services are widely adopted by large-scale enterprises owing to their cost-efficient features.
Global Infrastructure of AWS
The AWS offers a pervasive global imprint when compared to any of the other Cloud Providers in the market and also it expands itself rapidly when compared to any other service provider.
The AWS global infrastructure is vested over different Availability Zones and Regions. As of now, there are:
- 20+ Geographic Regions
- 65+ Availability Zones
- 5+ Local Regions
Below are the prime factors that make up the AWS Global Infrastructure:
- Availability Zones
- Region
- Regional Edge Caches
- Edge locations
Availability Zones: The Availability Zone is a dexterity that can be from anywhere in a city or country. There are numerous Data centers inside these zones and with that, we can have multiple servers, firewalls, switches, and loading balancing. The things that communicate with each other in the cloud are placed inside the data centers. An availability zone usually can be located at different data centers, however, in case they are closer to each other, they would be accounted as only 1 availability zone.
Regions
Generally, a Region is a Geographical area. And every region contains above 2 availability zones.
- The Region is the collation of data centers that are entirely secluded from the other regions.
- The Regions are composed of the above two availability zones that are connected through links.
- The Availability Zones are primarily connected with the help of the isolated and redundant metro fiber.
Regional Edge Cache
In the year 2016, AWS announced a new kind of Edge location which is also known as the Regional Edge Cache. Generally, the Regional Edge Cache is found between the Edge locations and CloudFront Origin Servers. Also, a Regional Edge cache has more cache than the individual edge location.
In case if a user requests data, and if the data is not identified then the edge location restores the cached data directly from the Regional Edge cache rather than the Origin Servers which has high latency. The Data is usually removed from the cache at an edge location, however, the data is generally restored at the Regional Edge Caches.
Edge Locations
- The Edge locations are usually the endpoints for the AWS that is used for caching the content.
- The Edge locations are way more than the regions. Presently there are around 150 edge locations.
- The Edge locations comprise Amazon’s Content Delivery Network (CDN) and CloudFront.
- Edge locations are more than regions. Currently, there are over 150 edge locations.
- The Edge location is generally not a region, however a small location that AWS has. This is primarily used for caching the content.
- Generally, the Edge locations are located in the predominant of the major cities and it shares the content to the end-users with reduced latency.
Features of AWS
The following are the features of AWS and they are
- Cost-effective
- Flexibility
- Secure
- Elastic and Scalable
- Experienced
Cost-effective: The Monetary aspects are one of the important factors that have to be considered before delivering any of the IT solutions. The AWS provides no upfront cost and you can scale up easily.
Flexibility: The AWS allows the Enterprises to make use of the programming models, architectures, operating systems, and databases with which the AWS cloud is familiar. Further, it offers flexibility and it aids the organizations to mix & match the architectures to serve a different business purpose.
Secure: To enable end-to-end security and to support privacy the AWS builds the service in correspondence to security and best practices. The AWS Cloud offers the appropriate security features and services that comply with the needs and requirements which are put forth by the company.
Elastic and Scalable: Generally, in the traditional IT organizations, the elasticity and scalability are calculated with the infrastructure and investment in the Cloud whereas elasticity and scalability offer the enhanced ROI and savings. The Scalability in AWS has the capacity for scaling the computing resources when the demand increases or decreases commonly.
Experienced: The AWS Cloud offers levels of security, scale, privacy, and reliability. It persistently enhances the infrastructure capabilities of the users. Ever since AWS has landed into the IT domain the growth of the Amazon Web services has been tremendous and that it has met the growing needs.
