Chapter 4 Communicating on the Internet. How E-Mail Works? Most used Feature TCP breaks &...
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Transcript of Chapter 4 Communicating on the Internet. How E-Mail Works? Most used Feature TCP breaks &...
![Page 1: Chapter 4 Communicating on the Internet. How E-Mail Works? Most used Feature TCP breaks & reassembles messages into packets IP delivers packets to the.](https://reader036.fdocuments.in/reader036/viewer/2022062314/56649f1c5503460f94c32511/html5/thumbnails/1.jpg)
Chapter 4
Communicating on the Internet
![Page 2: Chapter 4 Communicating on the Internet. How E-Mail Works? Most used Feature TCP breaks & reassembles messages into packets IP delivers packets to the.](https://reader036.fdocuments.in/reader036/viewer/2022062314/56649f1c5503460f94c32511/html5/thumbnails/2.jpg)
How E-Mail Works?
Most used Feature TCP breaks & reassembles messages into
packets IP delivers packets to the proper location Binary files can be attached:
- Pictures- Video- sounds
![Page 3: Chapter 4 Communicating on the Internet. How E-Mail Works? Most used Feature TCP breaks & reassembles messages into packets IP delivers packets to the.](https://reader036.fdocuments.in/reader036/viewer/2022062314/56649f1c5503460f94c32511/html5/thumbnails/3.jpg)
How E-Mail Works?
![Page 4: Chapter 4 Communicating on the Internet. How E-Mail Works? Most used Feature TCP breaks & reassembles messages into packets IP delivers packets to the.](https://reader036.fdocuments.in/reader036/viewer/2022062314/56649f1c5503460f94c32511/html5/thumbnails/4.jpg)
How E-Mail Works?
Encoding schemes: MIME - UUencode Gateways perform translating email formats Mailing List: connects a group of people Everyone in the mailing list receive the sent
message Moderated mailing list: screened by Admin Unmoderated mailing list: wide open List server
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How Spam Works? Spam:- Unsolicited junk e-mail sent by commercial
companies for some services- Unwanted mail, making another information
slower to send- E-mail filters block Spam from known
spammers
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Spam Mails
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How Usenet Newsgroups Work?
The world biggest discussion forum Special software, online services Thread: grouped conversation by topics FAQ: Many newsgroups have a list of
Frequently Asked Questions to read before submitting messages
Moderated newsgroups: screened by Admin
Unmoderated newsgroups: Automatically posted
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Usenet Newsgroups
Usenet Server: you can subscribe to any interested newsgroups or cancel it
You can post Binary files UUencode: common used encoding scheme
for Usenet newsgroups
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Usenet Newsgroups
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Internet Relay Chat
Communicating with others (keyboard conversation)
IRC: Internet Relay Chat, the most popular chatting way
Channels: many different topics in chat rooms
IRC follows a client/ server model:
IRC ServerIRC Client
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Making Phone Calls on the Internet
Sounds are broken into packets, which delivered by TCP/IP protocols
Free calls Making phone calls and receiving calls from
someone who has an Internet address WebTalk Speaking into microphones, listening from
speakers
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