Tomorrow’s Technology
and You
Chapter 8
Networking
© 2006 Prentice-Hall, Inc.
Slide 1
Objectives
Explore what we can learn from Arthur C. Clarke
Explain basics of networking and of setting up a home
network
Explain some of the issues relating to online
communication and what we can do about them
© 2006 Prentice-Hall, Inc.
Slide 2
Arthur C. Clarke’s Prophecy (Pp 271-272)
Who is he?
What is his most famous work?
What is his most visionary work?
What other sci-fi has come true?
What current sci-fi do you think is
likely to come true, and why?
© 2006 Prentice-Hall, Inc.
Slide 3
Objectives
Explore what we can learn from Arthur C. Clarke
Explain basics of networking and of setting up a home
network
Explain some of the issues relating to online
communication and what we can do about them
© 2006 Prentice-Hall, Inc.
Slide 4
Networking – Basics (pp 272-287)
Why?
Hardware sharing - example?
“Imagine how useful an
Data sharing
– vs would
‘sneakernet’?
office
be without a
Task sharing
‘groupware’
– example?
door.”
Who said
it? Why?
Technology
Reach - LAN, WAN, VPN – where is each used?
Bandwidth – what is low, high, very high?
Where do we find each?
What is ‘the last mile’ – how fast is it?
Connection - Wired vs vs wireless – so what?
Need help? one good place – where else?
© 2006 Prentice-Hall, Inc.
Slide 5
Remote Server
A Home Network (pp 288-9)
- Costs?
- When do I need a VPN?
- If slow/down, cause might be?
ISP Server
Modem
(dial-up, DSL, cable, wireless, satellite?)
Telephone
Network
Firewall/router
(cabled/wireless)
Ethernet Cable
USB Cable
© 2006 Prentice-Hall, Inc.
Wireless Laptop
Slide 6
In-class activity
• Knowing how to transfer files from home to
school (or work!) is important!
• Decide whether you prefer to use the N:
drive or your SkyDrive, and then:
– Open your sky drive, or the instructions for
setting up a VPN from home
– PrtSc and paste to Word
– Below the image, explain the reason for your
choice, and benefits over e-mail or USB key
– Save as PDF, and post to In-class Forum
Slide 7
Objectives
Explore what we can learn from Arthur C. Clarke
Explain basics of networking and of setting up a home
network
Explain some of the issues relating to online
communication and what we can do about them
© 2006 Prentice-Hall, Inc.
Slide 8
E-mail issues and solutions (pp 290-293,304-305)
"People
write harsher
evaluations
of
Web mail
vs Outlook
– pros and
cons
colleagues in e-mail [and] co-operate less in
POP vs IMAP – so what?
group work by e-mail than face-to-face...
What’s a web
Solution?
somehow...
rulesbug?
of social
behavior don't seem
to apply as tightly
when
we're
Spell
check
& sitting in front of
E-mail
a computer... proof
may be
[because] a computer feels
read!
can
get lost not
– how?
what being...
can we or
do?it may be
like
machine,
a human
“I
worked
with
two
that
a generation
informal chit-chat by
viruses
– what raised
can weon
do?
business
collies”
e-mail has trouble
adapting
phishing – protection? to the stricter world
of business.
Tom Spears
- The Ottawa
Citizen
quality matters
– why?
tips?
Be a ‘spam-killer’ – how?
Hide recipient lists – why? how?
Send no-frills mail – why?
Slide 9
On-line issues and protections (pp 294-307)
Use Forums, blogs & “wiki’s” with care
uses? examples? dangers?
“Be aware and awake”
“Information is not
Scams, urbanknowledge,
legends, tons
useless infois
andofknowledge
On-line socializing,
social bookmarking
not wisdom.”
“Electronic
communication
How popular?
benefits? dangers?
may
be eg
essential
toPros
one kind
of
Business uses?
One
– more?
and cons?
living,bookmarkingbut it is superfluous
Media sharing, social
pros & to
cons?
Crowdsourcing another.”
– examples, future?
P2P, grid computing, cloud computing – so what?
On-line role playing – uses?, effects? (see p 309)
© 2006 Prentice-Hall, Inc.
Slide 10
What do I do with this?
Date: Tue, 25 Nov 2008 08:24:56 -0800
From: [email protected]
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Bank
Slide 11