re
Cloud Services Models
* Aset of IT-related services offered by a cloud provider
* Cloud providers are responsible for providing cloud based
resources to consumers
- Responsible for underlying services and infrastructure
* The choice of cloud services model is critical to the success of
cloud based deployments
Cloud Services Models
Infrastructure as a Service (laaS)
* Cloud consumer outsources responsibility for the infrastructure to the cloud provider
* Cloud provider handles
~ Storage resources
~ Compute resources
- Connectivity domains
* Provides numerous advantages
~ Pay as you go
- Control over applications and operating systems
~ Quickly scalableCloud Services Models
Platform as a Service (PaaS)
* Enables customers to deploy ~ |
applications without requiring the ss
expense of the underlying infrastructure
* Customers purchase or create PaaS
applications that are available over the Platform
Internet along with programming tools asa Service
and languages required by the Application Development
applications Decision Support
* Allows for a specific focus on application we
development which has its advantages Streaming,
Cloud Services Models
Software as a Service (SaaS)
* Consumers take advantage of software
delivery model using the Internet and
web browsers
* Efficient way to deploy line of business
applications
+ Office productivity software
~ Team collaboration and communication
~ Project management
- Customer Relationship Managementa es
Cloud Services Models
* All additional cloud services models relate back to these three
primary options
- laaS
- PaaS
- SaaS
* It is critical to understand who it is that functions as a
consumer given the particular model
eee
eS a a ces
Cloud Services Models
Database as a Service (DBaaS)
* A form of software specializing in the automatic delivery of database operations
* Several competencies are supported
= Self-service provisioning of database instances
- Monitoring of database attributes and QoS levels
+ Measured utilization of database services
* The DBaaS infrastructure supports additional capabilities
~ Secure multitenancy
= Service elasticity
~ And more...Cloud Services Models
Business Process as a Service (BPaaS)
* Combination of business process step
execution monitoring with one of the
primary cloud models
* Business process monitoring optimizes
the delivery of business services
* Cloud providers are used instead of
traditional Business Process
Anything as a Service (XaaS)
* Delivery of the IT as a service through
hybrid cloud computing
* Uses a combination of other service
models
* Simply a term to describe the
distribution of different IT components
in the cloud
Management Systems (BPMS)
eee
a em
Cloud Services Models
* In addition to understanding the consumers we need to
understand where the accountability and reliability lie
depending on service models
* Accountability is important to cloud services as a whole
- SaaS - cloud provider assumes responsibility
- laaS and PaaS — responsibility is distributed between the consumer
and the provider