Cloud storage Chau Ting Fong(13206117) Chung Hiu Ngan(13208446) Ng Ka Yi(13208446) 05/26/2022
Jan 28, 2015
Cloud storageChau Ting Fong(13206117)
Chung Hiu Ngan(13208446)
Ng Ka Yi(13208446) 04/10/2023
content
Introduction
Examples
Advantages
Potential concerns
Survey results
conclusion
Introduction—what is cloud storage?
DENFINITION
Simple term that refers to online space that you can use to store your data.
Another way for keeping a backup of your files.
Introduction-background
• Is a model of networked enterprise storage.• Data stored in virtualized pool which hosted by third
parties.• Hosting companies operate large data centre.• People have to buy or lease storage capacity from the
hosting companies.• The data may span across multiple servers and multiple
locations.
Introduction-background
• Files-hosting service• Internet hosting service specifically designed to host user
files.• It allows users to upload files that could then be accessed
over the internet from a different computer, tablet, smart phone or other networked device, by the same user or possibly by other users, after a password or other authentication is provided.
YouTube-what is cloud storage?
Introduction--history
• Invented by Joseph Robnett Licklider in the 1960s• He refers to a cloud “ that does all the heavy thinking for
everybody” in this book “sirens of titan” published in1959.
• In the sixties, it has been slowly developing, until the nineties with the appearance of Web 2.0 .
Examples
DropBox Window live skydrive Box.net
Google drives justCloud.com memopal
advantages
economical
• Some cloud storage services are free of charge.
• The cost is cheaper than using external hard drives or backup tapes for backing up data.
convenient
• Can open the file everywhere without saving the data in external hard drives.
Space saving
• It’s invisible, without physical presence. It doesn’t take up space.
Potential concerns
Have the risk of unauthorized physical access to the data
Is a rich resource for both hackers and national security agency.
Opssible for other customers to access your data when sharing storage and network with manyother users.
For average user of the computer and internet, the cost may outweigh its benefits.
Online survey
• Target: public• Information: opinion on cloud storage• Site:
https://qtrial.qualtrics.com/SE/?SID=SV_dcAcYJ7T7rmwBKJ
Survey results
1-3 years Less than 6 months
Between 6 months and a
year
4 years or above I never use cloud storage service
before
0
2
4
6
8
10
12
How long has you been using cloud storage?
1-3 years
Less than 6 months
Between 6 months and a year
4 years or above
I never use cloud storage service before
Survey results
What workloads are you comfortable running in a cloud envi-ronment?
Primary Storage
Storage capacity bursting
Second copy or backup data
Long term archive
Replace centralized storage with dis-tributed access
Other