'Command response interaction' diaporamas de présentation

Chapter 2: outline

Chapter 2: outline. 2.1 principles of network applications app architectures app requirements 2.2 Web and HTTP 2.3 FTP 2.4 electronic mail SMTP, POP3, IMAP 2.5 DNS. 2.6 P2P applications 2.7 socket programming with UDP and TCP. Three major components: user agents mail servers

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Chapter 2 Application Layer

Chapter 2 Application Layer. Computer Networking: A Top Down Approach , 5 th edition. Jim Kurose, Keith Ross Addison-Wesley, April 2009. 2.1 Principles of network applications app architectures app requirements 2.2 Web and HTTP (Continued) 2.4 Electronic Mail SMTP, POP3, IMAP 2.5 DNS.

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Chapter 2b Application Layer

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Review of Previous Lecture

Review of Previous Lecture. Principles of app layer protocols clients and servers app requirements Web and HTTP FTP. Announcement. All got partners and IP addresses ? Should complete at least part I by the end of this week

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CSC 250

CSC 250. Introduction to Networking Fundamentals Class Meeting 4. 2.1 Principles of app layer protocols clients and servers app requirements 2.2 Web and HTTP 2.3 FTP 2.4 Electronic Mail SMTP, POP3, IMAP 2.5 DNS. 2.6 Socket programming with TCP 2.7 Socket programming with UDP

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Reminder

Homework 1 for Wednesday: Problems #3-5,11,16,18-20 Half of the problems will be graded Feel free to send me email. Reminder. 2.1 Principles of app layer protocols 2.2 Web and HTTP 2.3 FTP 2.4 Electronic Mail SMTP, POP3, IMAP 2.5 DNS. 2.6 Socket programming with TCP

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Trying out HTTP (client side) for yourself

1. Telnet to your favorite Web server:. Trying out HTTP (client side) for yourself. Opens TCP connection to port 80 (default HTTP server port) at cis.poly.edu. Anything typed in sent to port 80 at cis.poly.edu. telnet cis.poly.edu 80. 2. Type in a GET HTTP request:.

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Trying out HTTP (client side) for yourself

1. Telnet to your favorite Web server:. Trying out HTTP (client side) for yourself. Opens TCP connection to port 80 (default HTTP server port) at cis.poly.edu. Anything typed in sent to port 80 at cis.poly.edu. telnet cis.poly.edu 80. 2. Type in a GET HTTP request:.

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DNS,SMTP,MIME

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Chapter 2 outline

2.1 Principles of app layer protocols 2.2 Web and HTTP 2.3 FTP 2.4 Electronic Mail 2.5 DNS. 2.6 Socket programming with TCP 2.7 Socket programming with UDP 2.8 Building a Web server 2.9 Content distribution Network Web caching Content distribution networks P2P file sharing.

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Electronic Mail

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Chapter 2 Application Layer

Chapter 2 Application Layer. 2.3 FTP 2.4 electronic mail SMTP, POP3, IMAP. Computer Networking: A Top Down Approach 6 th edition Jim Kurose, Keith Ross Addison-Wesley March 2012. Chapter 2: outline. 2.1 principles of network applications app architectures app requirements

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SMTP, POP3, IMAP

SMTP, POP3, IMAP. 2.6 P2P applications 2.7 Socket programming with TCP 2.8 Socket programming with UDP. Chapter 2: Application layer. 2.1 Principles of network applications 2.2 Web and HTTP 2.3 FTP 2.4 Electronic Mail SMTP, POP3, IMAP 2.5 DNS. outgoing message queue. user mailbox.

1.78k views • 15 slides