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Cloud DatabaseEdit

===What is it?

=Edit

Cloud

Cloud applicationsEdit

Cloud applications connect to a database that is being run on the cloud and have varying degrees of efficiency. Some are manually configured, some are preconfigured, and some are native. Native cloud databases are traditionally better equipped and more stable that those that are modified to adapt to the cloud.

Key CharacteristicsEdit

On-demand self-service - user can manage computing capabilities without human interaction from the service's provider

Ubiquitous network access - access is promoted throught the use of many different technology devices

Location independent resource pooling - the provider's computing resources are pooled to serve all consumers with different resources assigend according to the user's demand

Rapid elasticity - capabilities available for rent can be rapidly scaled up or down so that the consumer can purchase any amount at any time

Pay per use - examples are measuring the storage, bandwidth, and computing resources consumed and then charging for the number of active user accounts per month


Deployment Models:Edit

Private cloud - The cloud infrastructure is owned or leased by a single organization and is operated solely for that organization

Community cloud - The cloud infrastructure is shared by several organizations and supports a specific community that has shared concerns

Public cloud - The cloud infrastructure is owned by an organization selling cloud services to the general public or to a large industry group

Hybrid cloud - A combination of two or more clouds that remain unique entities but are bound together by standardized or proprietary technology that enables data and application portability


Should you use it?Edit

Advantages of using a Cloud database include:

  • Fast automated recovery from failures
  • Either built-in to a larger package with nothing to configure, or comes with a straightforward GUI-based configuration
  • Managed backups, restores, and automated scheduling
  • Does not require any operating system knowledge
  • Automated on-the-go scaling with the ability to simply define the scaling rules or manually adjust
  • Potentially lower cost
  • Device independence
  • Better performance
  • Scalability
  • Automatic failover/high availability
  • Widely accessible
  • Minimal outllay investment
  • You can provision a few servers in the cloud immediately, don't have to wait a few days for shipping, don't have to spend time setting up the environment
  • Excellent choice for those with space considerations
  • May be able to pay little or nothing for unused time

Disadvantages of using a Cloud databases include:

  • Security and privacy issues
  • Requires a constant Internet connection
  • Loss of control over resources
  • Data ownership: Who owns the data? Where is it? Who will accept the risk for compromised data?
  • Data is tied to the provider
  • Requires staff that has specialized skill set
  • Hello
  • No proven track record yet

ReferencesEdit

http://www.databasejournal.com/features/mssql/should-you-move-your-mysql-database-to-the-cloud.html

http://tek-tips.nethawk.net/blog/defining-cloud-computings-key-characteristics-deployment-and-delivery-types

http://www.thevirtualcircle.com/wp-content/uploads/downloads/2011/04/TheCloudDatabase.pdf

http://www.nuodb.com

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