Professor Messer - Cloud Models Flashcards
IaaS
Infrastructure as a service
Iaas is sometimes called
HaaS
Hardware as a Service
Haas is when you
outsource your equipment
In the cloud model _
you’re still responsible for the managment and security
your data is out there, but more within your control
web server providers
IaaS
SaaS
Software as a service
The _ cloud model is _
On demand software - no local installation
- why manage your own email distribution or payroll?
Central management of data and applications
-your data is out there
A complete application offering
-No development work required, i.e. Google Mail
SaaS
The _ cloud model is _
No servers, now software, no maintenance team, no HVAC
-someone else handles the platform, you handle the development
you don’t have direct control of the data, people, or infrastructure
-trained security professionals are watching your stuff
Put the building blocks together
-develop your app from what’s available on the the platform
-salfesforce.com
PaaS
The cloud deployment models are
private, public, hybrid, and community
_ cloud deployment model is your own virtualized local data center
Private
_ cloud deployment model is available to everyone over the internet
public
_ cloud deployment model is a mix of public and private
hybrid
_ cloud deployment model is several organizations share the same resources
community
_ is
your applications are on local hardware
your servers are in your data center in your building
on-premis
_ is
your servers are not in your building
they may not even be running on your hardware
Usually a specialized computing environment
Hosted
_ is
Entire application instances can be created and torn down on demand
resources are available as needed
Cloud
_ cloud is no resources are shared build your won cloud pay for everything up front no ongoing costs
Internal
_ cloud is
share resources with a public cloud
underlying infrastructure owned by a third party
cost may be metered or up front
External
These are characteristics of _
Rapid elasticity
-scale up and scale down as needed
-seamless to everyone
cloud computing
These are characteristics of _
On demand self service
-adding software, networks, servers, storage is a challenge outside the cloud
-the cloud enables instant resource provisioning
cloud computing
These are characteristics of _
Resource pooling
-all of the computing power in one place
-one large resource instead of many small resources
cloud computing
These are characteristics of _
Measured service
-costs and utilization are very closely tracked
-Resource planning and granular chargebacks
cloud computing
_ cloud services You pay for what you use cost to upload cost to store cost to download
Metered
_ cloud services
you pay for a block of storage
no cost to upload
no cost to download
Non-metered
