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cloud computing - Coggle Diagram

- - - - Amazon Web Services (AWS) EC2
        
        It supports NoSQL, relational databases, and Big Data.
        
        It is compatible with Windows and Linux and also has a good front-end management interface.
        
        It provides scalable computing capacity and eliminates your need to invest in hardware up front so that you can develop and deploy applications faster.
      - Microsoft Azure
        
        It uses Microsoft-managed data centres for structuring, testing, deploying, and monitoring services and applications.
        
        Microsoft Azure services appeal to businesses which are already on Windows platform. Microsoft Azure is compatible with Linux as well.
      - Google Cloud Platform (GCP) - Google Compute Engine
        
        Google Cloud Platform provides both temporary storage and persistent disks.
        
        They have added an increasing number of providers to their partner program to facilitate cloud support to customers,
        
        GCP provides enhancements, like load balancing, extended support for operating system, live migration, and faster persistent disks.
        
        Google is one of the most rapidly growing cloud players.
      - Alibaba
        
        Alibaba is growing at great speed.
        
        Alibaba is China’s leading public cloud provider.
        
        It is investing heavily into global tech research facilities across China, Russia, Singapore, Israel, and the U.S.
      - Rackspace
        
        It provides a platform that offers website building, storage, and access to virtualized servers.
        
        It is preferred by companies that have traffic fluctuations as they can remove cloud servers whenever they wish to.
    - - anytime ,anywhere
      - great reliability
      - flexibility and sacalability
        
        available instantly and reduce waste of space
      - pay per use
      - save time and effort
      - focus on care
      - competitive edge
    - - flexibility
        
        vendors need to keep constant update to use
      - Lack of security and privacy
      - technical issue
        
        restricted acess to data during downtime
      - data dependency
- - - - Intergalactic Computer Network
        J.C.R Licklider introduced the idea of an “Intergalactic Computer Network” or “Galactic Network” computer networking concept similar to today’s Internet. He enabled the development of ARPANET (Advanced Research Projects Agency Network).
        
        Virtualization
        Virtualization software VMware was introduced during the 1970s. It was possible to run a completely different computer (virtual machine) inside a different operating system. The VM operating system took the time sharing model to the next level.
        
        First known definition of cloud computing
        Prof. Ramnath Chellappa of Emory University and the University of Southern California defined cloud computing as “A computing paradigm where the boundaries of computing will be determined by economic rationale rather than technical limits alone.” This is the first known definition of cloud computing.
        
        Arrival of Salesforce.com
        Salesforce.com came up with the concept of delivering enterprise applications via the web.
        
        Arrival of AWS
        Amazon created Amazon Web Services (AWS), providing cloud services from storage to computation.
        
        Amazon expands its cloud services
        In this year, Amazon introduced its Elastic Compute Cloud (EC2), which allowed people to access computers and run their own applications, and the Simple Storage Service (S3) pay-as-you-go model.
        
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