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Cloud+ Outline - Module 4

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By: cdoyle

April 16, 2017

cloud-1Module 4: Cloud Uses and Implementation
  1. Cloud Service Models
  2. Infrastructure as a Service (IaaS)
  3. Platform as a Service (PaaS)
  4. Software as a Service (SaaS)
  5. Database as a Service (DBaas)
  6. Communications as a Service (CaaS)
  7. Business Process as a Service (BPaaS)
  8. Anything as a Service (XaaS)
  9. Accountability and Responsibility by Service Model
 Infrastructure as a Service (IaaS)
  • Outsourcing the infrastructure of a Network
  • Infrastructure in maintained on the internet or by third party companies
Platform as a Service (PaaS)
  • Allows a company to have application deployment
  • Tools and programming languages available to the customer via the cloud from a 3rd party
  • Development Tools
Software as a Service (SaaS)
  • On-demand software applications
  • Can access from a thin client over the Internet
  • Web browser based items, Gmail is an example of SaaS
Database as a Server (DBaaS)
  • Cloud providers offer database functionality to the consumers
Communication as a Service (CaaS)
  • Communication services leased to the consumer from the provider
  • Examples of CaaS
    • VPN, VoIP, PBX (Skype, etc.)
Business Process as a Service (BPaaS)
  • Business Service delivered utilizing the cloud
  • Combines bus. proc. mgt. (BPM) with 1 or more aspects of a cloud deployment model
    • Business process are uploaded to a cloud service for processing and monitoring
Anything as a Service (XaaS)
  • Works in combination with SaaS, IaaS, PaaS, CaaS, DBaaS, or BPaaS
  • X is the variable that is interchangeable and represents different cloud services.
Accountability and Responsibility by Service Model
  • Who does the model apply to?
    • SaaS – End Users
    • PaaS – Developers
    • IaaS – Administrator
Who is responsible?
  • SaaS – Provider
  • PaaS – Consumer
  • IaaS – Consumer
 Cloud Delivery Models and ServicesPrivate CloudPrivate cloud is similar to the IntranetProtected by a firewall and unaccessible to the publicPublic Cloud
  • Leased from a cloud provider to the customer
  • Pool of resources that a provider will lease
    • Can offer a Pay as you go
Hybrid Cloud
  • Uses a combination of private and public cloud
Community Cloud
  • Infrastructure shared with several organizations
On-Premise
  • Traditional data center management
  • Virtualized servers hosting on-site
  • Organization has complete control over its servers
  • Organization is responsible for costs of the data center
Off-Premise
  • Referred to as cloud computing
  • Hosting in the cloud and accessed online
  • Cloud provider owns the hardware
  • Cloud provider has some control over the servers
  • Reduces costs, as cloud provider is responsible for the data center
Orchestration Platforms
  • For day-to-day tasks
  • Automated management of cloud environments
  • Syncs business requests with infrastructure
 Cloud Characteristics and TermsElasticity
  • Enables computing resources to be moved as needed
  • Shifts resources across the infrastructure
    • Allows workload to be increased to additional hardware inside a pool
Demand-Driven Service
  • Customers use an online portal to access the services
  • A supplier can provide provision cloud resources on demand
Pay-as-you-Grow
  • Pay for the services as needed
  • Pay for the computing resources that are being used
  • Pay for services by time, hour, or data.
Chargeback
  • Accounting strategy to decentralize IT costs
  • Charge the department independently for the services that are being used
  • Services are billed to the department’s budget versus the IT’s budget
  • Also known as showback
Ubiquitous Access
  • Same level of access from anyplace
  • Able to access the resources with the same ability from any location
Metering
  • Tracking of IT resources
  • Measure usage by cloud consumer
  • Allows the consumer to be charged for the resources used
Multitenancy
  • Allows one instance to many users
  • Each user has a view of the application
  • Users are oblivious to other users
Cloud Bursting
  • Allows retail to explode to the cloud when resources are scarce
    • The resources are in the local LAN, when the local LAN is overused the resources become available in the cloud.
 Object Storage ConceptsObject IDUnique identifiers for the data and metadataUsed to find the dataMetadata
  • Describes each object in the database
  • Used like a table for a database
  • Contains the compounds of the data
Data BLOB
  • Binary large object (BLOB)
  • Primarily used in databases
  • Large amounts of binary data stored in a location to help copy between location
Policies
  • Attributes associated with objects
  • Similar to metadata but for security mechanism
Replicas
  • Copies of large data set
  • Associated with VHD (virtual hard disk)
    • Require a copy mechanism
Unit SummaryDescribed Cloud Service ModelsDescribed Cloud Delivery Models and ServicesDescribed Cloud Characteristics and TermsDescribed Object Storage Concepts
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