Computing is data processing model cloud group.The provider will
share resouce with user.
It is a feature developed by Vitualization and Web
ฺby the user is not
necessary must have basic technical knowledge to work.
These can be categorized
into three types of services.
Plubic cloud based
systems use the service by accessing information through major plublic service
providers such as Windows ,Amazon, Google.
organizations are managed by company or person for coperate or personal use only.
A System that runs on a
cloud between plublic cloud and private cloud.Users can work on the plublic
cloud and resume work on the private cloud.
The system that runs on
cloud between organizations that work together ,they can share resource
-AWS Amazon Web
is currently the largest cloud computing provider. Amazon AWS service, we can
access the service
easily, only register can use the service.Now
we can use the service for free for a year, but some have
to pay for services
forgot to read the details of the applicationThe
Amazon AWS working principle
is like VM ware, which we can install OS Linux or
Windows, Application according to our needs
can choose a hard disk and can modify So easy and can be adjusted at any time
we want, when
the size of the people in the organization the
size of the data increases, we can increase the size
Harddisk without us having
to buy.We can access AWS anywhere with internet access and
secure access.AWS will charge you when you open the machine only if we shut
down the machine
will not charge . AWS has many services such as:
Amazon EC2 (Elastic
Compute Cloud) Server
Amazon S3 (Simple
Storage Service) strorage
Amazon RDS (Relational
Database Service) Database Server
Amazon ELB (Elastic Load
Balance) Load Balance
It is an IT
infrastructure of the organization consists of hardware,software,data,
database,network, server, Security,
Storage all of which must work together. Has system
administrator and system
maintenance to work effectively -Server
is service computer or service program Which provides services to clients in
which can serve many users, such as
DHCP Server, DNS Server,File Server , Mail
Server ,Web Server.
It is the connection of two or more computers
with a cable or wireless wireless, allowing the
computer to transmit data to
each otherWhich is connected through a device such as a
is the security system of the computer, both hard ware and soft ware, acts as a
wall to the
computer to prevent unwanted people Incoming
on the internet , Networking to destroy data ,
Change data , steal data, view
will check what kind of information.
What will be the effect on the computer? If
the shake is not safe then it
will not allow in
the computer. It is controlled by Administrator .The
administrator has set firewall requirements.
1DAS (Direct attache storage)
DAS is to add external
storage to the server directly when the server's hard disk is not enough
storage We call it DAS.
2NAS Network attached
It is a device used to
store data,centralized through the Network.NAS has OS Linux as GUI
through browser google chrome explorer firefox then easy to use
popular brands are
QNAP,NETGEAR,SEAGATE.which can be devided into three levels of nas.
1.Soho nas storage
Idea for sharing work
files or entertainment
,music, movies in the house or in small
organizations 5-10 people.
2.Sme nas storage
Ideal for sharing
large files up to 20-50 people.
3.Enterprise nas storage
It is suitable for large
organizations of 100-1000 people.
Nas can put Harddisk
organizations or home user popularly use NAS as a private cloud for private
storage of work files or images, which can be loaded when outside the home.
3.San Storage area
It is a network for
high-speed data storage.It can support many types data recording.