Cloud Deployment Models
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Time
12 hours 57 minutes
Difficulty
Intermediate
CEU/CPE
13
Video Transcription
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>> Now we're going to be talking about
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the cloud deployment models.
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In this lesson, we're going to talk about
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the four cloud deployment models
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and what's the business case we're using each.
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Not every model is right,
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depending on what kind of business you have,
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its requirements in terms of
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security and costs. We're going to get into that.
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That ties into some of the benefits
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and limitations of each model.
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Some grant you more control over security,
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some are more affordable,
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and then others have
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less responsibility involved for security,
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but might require more due diligence
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on the vendor providing them.
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Let's get into the models.
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First up, the public cloud.
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The public cloud, as
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its name implies, is available to anyone.
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Any business or individual that wants to purchase
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hosting services on the public cloud is able to do so.
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The main benefit of this service is that it is cheap.
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Usually because it's utilizing shared resources,
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it is the most cost-effective choice
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when hosting data in the cloud,
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or hosting anything in the cloud for that matter.
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What you gain in terms of cost,
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you can lose in terms of control and it introduces
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new risks related to multi-tenancy,
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as well as data segregation
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and you don't have the same level
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of control in terms of maintaining
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security over elements that are in the public cloud.
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Our next one, the private cloud.
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This infrastructure is reserved for one organization.
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It may be managed by the organization or
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the cloud provider and it can have different flavors.
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The hardware may belong to the organization
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and be on-premise or off-premise.
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It could be the organization's hardware
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that is protected and maintained
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in the provider's data center.
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This model provides the greatest amount of control
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over security, over administration.
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However, it is also the most expensive
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because if the provider is potentially giving
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up the availability to make money by utilizing
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the shared resources in their data center.
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Hybrid cloud. This is really a mix and match
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of any of the three models used together
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and it's basically linking them in a way that
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enables data sharing and use of applications.
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The hybrid cloud also refers to instances where
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an organization may host
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production in an on-premise data center,
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but leverage the cloud for backup solutions.
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In addition to the cloud models,
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it may be pairing together
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an on-premise and cloud-based solution.
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Community cloud. This is
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an interesting flavor of the cloud.
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The cloud architecture is shared by
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several organizations and/or it
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supports a specific community.
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Examples of this are research institutions or
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the federal government actually has
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a dedicated cloud because of its compliance needs.
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The organizations that work or share
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the community cloud usually have the same mission,
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security requirements,
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policies or compliance considerations.
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It's overall managed by the organizations
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themselves or a third party and it can
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be located on-premise or
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off-premise in terms of its administration.
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Let's take a look at a quiz question.
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An organization hosts
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its production environments on-premise but leverages
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a dedicated cloud deployment
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for its backup and disaster recovery needs.
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What cloud deployment model is this?
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Is it a private cloud?
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Is this a public cloud?
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Or is this a hybrid cloud solution?
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If you said hybrid cloud, you're right.
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I tried to trick you by saying that they had
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a dedicated production environment
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that was in the cloud,
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implying that although it is maybe
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a private cloud used for disaster recovery and backup,
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because it's hosted on-premise as
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its primary production environment,
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it is using the cloud in
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concert with an on-premise solution.
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That's why it's a hybrid cloud model.
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It's not a public cloud model because there's really
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only one company utilizing these cloud resources.
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They aren't in a multi-tenant environment.
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In summary, we talked about
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the four cloud deployment models,
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talked about the use cases for that.
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The private cloud.
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If you're just trying to
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do something that's cost-effective,
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it doesn't have any strong regulatory requirements
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over the data that's being placed in the cloud,
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the public cloud may be worth the
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risk when it comes to lack of control.
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You want the private cloud?
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You're going to pay a pretty penny,
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but you get the most in terms of control and security.
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Hybrid is a mix of either on-premise
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as well as the all three of
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>> the cloud deployment models.
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>> Community is a potentially decentralized cloud
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from an administrative perspective,
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that's when an organization or a provider
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provides resources to a specific group
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based on their requirements.
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Well, I hope you enjoyed learning about
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the cloud models,
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and now we'll move on.
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