CLOUD
COMPUTING is the very latest technology enable people to access the data, which
incorporates a combination of computer technology and cloud storage, both on
hardwares and softwares.
CLOUD COMPUTING can store various types of data
that we have, such as documents, musics, videos, photos, and other. The data
stored in it are permanently stored in the Internet server and can be accessed
through a computer, tablet PCs and smartphones to edit, save, and delete.
Existing data can be accessed at the same time with our friends, as long as it
connected to the internet and log in to his ID, respectively.
CLOUD
COMPUTING service models:
1. Infrastructure
as a Service (IaaS).
IaaS is a
model of the most basic services, namely computer resource rent directly. These
services are often encountered in cloud server web hosting as well as cloud VPS
(Virtual Provider Server). The use of cloud technology allows users to create many
virtual servers or adjust the level of resources in accordance with their
wishes.
Examples of
service provider is Linode, HP Cloud, Joyent, NaviSite, and other.
2. Platform as
a Service (PaaS).
In the PaaS
services, cloud provider will usually provide a platform that
includes the operating system, database, web server, and the programming
language environment. Users can develop applications using the platform that
has been provided. Users can also set the resource to fit their needs with
ease.
Example of service provider is Jelastic, Heroku, Google App Engine, Windows Azure Cloud
Service, and other.
3. Software as
a Service (SaaS).
SaaS is
currently being fast-growing and often we meet in person. Here the cloud
provider will provide software or application in the cloud that can be accessed
by users via the internet. Users can not access the infrastructure or platform
on which the application runs, they could only access, execute and take
advantage of the application.
Examples of
service provider is Microsoft Office 365, Google Apps, OnLive, Petrosoft, and
other.
4. Network as
a Service (NaaS).
In Naas
cloud service provider will provide network / connectivity. Users can use the
network or connectivity in the cloud.
Example of service provider is VPN and bandwidth on demand.
