'Af inet' diaporamas de présentation

Computer Network Programming

Computer Network Programming. Introduction. Introduction. A Simple Daytime Client A Simple Daytime Server Error handling: wrapper functions Types of Networking APIs BSD networking history Discover details of your local network. Client-Server Model. Web browser and server

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Chapter 14

Chapter 14. Application Layer and Client-Server Model. Figure 14-1. Client-Server Model. Figure 14-3. Concurrencia. Type of Running in Clientes Iteratively: one-by-one Concurrently: at the same time Concurrency in Services:

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Programmation Internet et Intranet

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Socket programming

Socket programming. Tasos Alexandridis. Socket: End Point of Communication. Sending message from one process to another Message must traverse the underlying network Process sends and receives through a socket In essence, the doorway leading in/out of the house.

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Win32 Sockets

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Introduction to Computer Networks

Introduction to Computer Networks. Polly Huang EE NTU http://cc.ee.ntu.edu.tw/~phuang phuang@cc.ee.ntu.edu.tw. Unix Network Programming. The socket struct and data handling System calls Based on Beej's Guide to Network Programming. The Unix Socket. A file descriptor really

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Introduction to Berkeley Sockets

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Network Programming June 4, 2008

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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. Pure P2P architecture. no always-on server

573 views • 32 slides

EE324 Programming Tutorial

Introduction to Socket Programming Jeong, EunYoung ( notav at ndsl.kaist.edu). EE324 Programming Tutorial. Outline. Socket programming Editor ( emacs ) Compiling ( Makefile ) Debugging ( gdb ). Sockets. Sockets Abstraction for data communication

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Introduction to Socket Programming with C

Introduction to Socket Programming with C. CPSC 441 TUTORIAL TA: Fang Wang. What is a socket?. Socket is an interface between application and network (the lower levels of the protocol stack) The application creates a socket The socket type dictates the style of communication

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Assignment 4: Client Server Chatroom

Assignment 4: Client Server Chatroom. Chatroom Behavior. Basic: user running client types message and presses enter; server will receive the message as well as other connected clients Special Commands:

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Socket structure in C

Socket structure in C. struct sockaddr_in { //Address family, always AF_INET short int sin_family; // Port number unsigned short int sin_port; // struct for IP address struct in_addr sin_addr; // A part that is always zero unsigned char sin_zero[8]; }; .

487 views • 28 slides

TCP-over-UDP

TCP-over-UDP. Cheng-Han Lee (cl2804). Outline. ToU APIs Using of ToU : Sample code Simulation Environmental Setup Test Results Architecture ToU Modules Processtou Thread/ Timer thread (fired pkt & dup ACKs rexmit ) Congestion FSM(TCP Reno)/ Processtou FSM/ Delayed ACK FSM

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15-213 Recitation 12: 11/25/02

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Final presentation- Part B

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Socket Interfaces

Socket Interfaces. Professor Jinhua Guo CIS527 Fall 2003. What Are Sockets. A socket is an endpoint of communication to which a name can be bound. The socket interface provides access to transport protocols

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Socket Programming (Cont.)

Socket Programming (Cont.). Networking CS 3470, Section 1 Sarah Diesburg. Control Flow. TCP Server. socket(). bind(). Well-known port. TCP Client. listen(). Socket(). accept(). blocks until connection from client. connect(). Connection establishment. Data(request). send().

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Socket Interfaces

Socket Interfaces. Professor Jinhua Guo CIS527 Fall 2002. What Are Sockets. A socket is an endpoint of communication to which a name can be bound. The socket interface provides access to transport protocols

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Elementary Name and Address Conversions

Elementary Name and Address Conversions. Domain name system gethostbyname Function RES_USE_INET6 resolver option gethostbyname2 Function and IPv6 support gethostbyaddr Function uname and gethostname Functions getservbyname and getservbyport Functions Other networking information.

628 views • 13 slides