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Cloud Deployment Models

Cloud computing is a very important aspect of a Software Development Company. There are different forms of cloud computing that can be hugely effective for different purposes. One can distinguish between different organizational forms of "clouds" that have their place depending on the application:

• 1. Private Cloud:
  

  In "private clouds" it is important, that both providers and users are in the same company, thus, for example, all the problems in the field of data security are more or less obsolete. We distinguish the following stages of evolution:

  • a. Exploratory Cloud:
    

    Here trying out cloud functionality within an enterprise is in the foreground. It is mainly about finding out potential advantages and disadvantages for specific applications.

  • b. Departmental Cloud:
    

    Here, Its difficult to have different clouds in different departments. It’s possible but not feasible due to CAPEX involved in the Private Cloud.

  • c. Enterprise Cloud:
    

    In contrast to the "Departmental Cloud" here, providers and users are from different company departments.

• 2. Public Cloud:
  

  A "Public Cloud" is a "cloud", which is public, and, which can be used by any person or company and is no longer limited to internal applications of a single institution or a company. Here, the access is the main problems and the biggest issue to deal with is data security. Each player must think about themselves, how many and which data they want to keep outside its immediate control. A Software Product Development Company can offer services based on this technology. Again, there are subtypes:

  • a. Exclusive Cloud:
    

    "Exclusive Clouds" presuppose that both providers and users know each other. They act out of fixed conditions and enter into a contract from them. There are no strangers.

  • b. Open Cloud:
    

    In "Open Clouds", providers and users do not know each other from beforehand. As a result, providers can offer services without direct input from customers and develop the form of SLAs stipulate needs. Due to the large number of potential users, full financial statements and the use of instances of provider-side being run automatically are needed. An example would be the Amazon Web Services or even the market place model of Zimory.

• 3. Hybrid Cloud:
  

  A company runs its own "private cloud" and also makes use as a failover strategy for peak loads, or a "Public Cloud".

• 4. Community Cloud:
  

  The cloud infrastructure is shared by several organizations and supports a specific community that has shared concerns (eg, mission, security requirements, policy, and compliance considerations). It may be managed by the organizations or a third party and may exist on premise or off premise. This kind of cloud is called “Community Cloud”.

Cloud computing based Software Development Services are the future of modern computing and software based solutions.