Embed Size (px)
DESCRIPTION
Presentation on how the Internet works, with emphasis on privacy as the lens with which to view things.
Citation preview
Should you have any expectation of pr ivacy?
What is privacy?
Scenar io 1 : Bulletin Board
Scenar io 2 : Love Notes
Scenar io 3 : Post Office
How does privacy work in each case?
What keeps another person from“snooping in”?
How does the Internet work?
Content
Platform
__ __ __ __ __ __
Content
Platform
__ __ __ __ __ __(What you put on the Internet)
(How it gets from one place to another)
(What you put on the Internet)
Content
Platform
__ __ __ __ __ __
Four important things to rememberabout the Internet :
1. Every machine has a unique numeric IP address2. Humans are bad at remembering numbers sowe associate names with IP addresses.
3. To get a message from one machine to another, you may have to pass through other machines
4. Your message may be broken apart as it travels.Don't worry, it gets reassembled at the end.
Four important things to rememberabout the Internet :
1. Every machine has a unique numeric IP address2. Humans are bad at remembering numbers sowe associate names with IP addresses.
3. To get a message from one machine to another, you may have to pass through other machines
4. Your message may be broken apart as it travels.Don't worry, it gets reassembled at the end.
Two
What happens when you goto Facebook?
What is the IP addressof www.facebook.com?
Who owns 31.13.68.8?Where is it located?
When you connect to a server...
You
Your laptop
Facebook server(somewhere inEurope?)
Teh Internet
How did we get from HERE to THERE?
192.168.1.1 –- my local machine (private IP address)100.91.64.1 –- provider's router (shared address space)121.96.7.XX202.78.101.xx Bayantel's network31.13.28.xx –- Facebook's network
When you connect to a server...
You
Your laptop
Facebook server(somewhere inEurope?)
Teh Internet
Bayantel
BayantelBayantel
Some HK telco
(or maybe in HK?)
Who contro ls the Internet?
Who contro ls the Internet?
(ah, but what do you mean “controls”?)
Four important things to rememberabout the Internet :
1. Every machine has a unique numeric IP address2. Humans are bad at remembering numbers sowe associate names with IP addresses.
3. To get a message from one machine to another, you may have to pass through other machines
4. Your message may be broken apart as it travels.Don't worry, it gets reassembled at the end.
Two
At the fundamental level...
...who controls IP addresses?
...who controls the names?
Internet Corporation for Assigned Names and Numbers
● Management of addresses and routing at top level● Administration of generic top-level domains and country code top-level domains
● Allocation of IP addresses● Other services
Content
Platform
__ __ __ __ __ __
Who controls the Internet?
IP addresses Domain NamesICANN
Content
Platform
__ __ __ __ __ __
Who controls the Internet?
IP addresses Domain NamesICANNTier 1 Prov iders Level 3 Communications, CenturyLink, Vodafone,
Verizon, Sprint, and AT&T Corporation
Regiona l Backbones Asia, Africa, Europe telcos
PoPs/ ISPs PLDT, Globe, etc. Orgs Universities, governments, companies
Content
__ __ __ __ __ __
Who controls the Internet?
IP addresses Domain NamesICANN
DNSICANN registrars
Can we they be trusted?
PlatformIP addresses Domain NamesICANN
Tier 1 Prov iders Level 3 Communications, CenturyLink, Vodafone, Verizon, Sprint, and AT&T Corporation
Regiona l Backbones Asia, Africa, Europe telcos
PoPs/ ISPs PLDT, Globe, etc. Orgs Universities, governments, companies
DNSICANN registrars
Can we they be trusted?
It depends.
“Commons”
Markets
Motivations
Content
Platform
__ __ __ __ __ __
Content
Platform
__ __ __ __ __ __
User-generated commercial
Content
Platform
__ __ __ __ __ __
User-generated commercial
Content
Platform
__ __ __ __ __ __
How the Internet was originally conceived
Uniquely identifiedmachine
Uniquely identifiedmachine
Content
Platform
__ __ __ __ __ __
How we're using it
Some server somewhere
Or actually more like...
Somebody's servers somewheres
“Platform”
user-generatedcommercial
Content
Platform
__ __ __ __ __ __
Who controls the Internet?
IP addresses Domain NamesICANNTier 1 Prov iders Level 3 Communications, CenturyLink, Vodafone,
Verizon, Sprint, and AT&T Corporation
Regiona l Backbones Asia, Africa, Europe telcos
PoPs/ ISPs PLDT, Globe, etc. Orgs Universities, governments, companies
Hosting companies “Platform” companies
Can we they be trusted?
It depends.
Who do the hosting companies and “platform” companies answer to?
Should you have any expectation of pr ivacy?
How are you using the Internet?
...as bulletin board? ...to pass love notes?
...as post office?
Should you have any expectation of pr ivacy?
...physical / technical measures
...legal enforcement
...social norms
Other things...
Encryption
Anonymity
Security
Censorship
The Hive Mind
Questions?
How does the Internet work?By Dominique Gerald M. Cimafranca Web : www.villageidiotsavant.com Twitter : @dcimafranca
