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Description: VC编程用UPD协议实现广播通信
UPD 是USER DATAGRAM PROTOCAL 的简称，是一种在网络上提供的无连接的传输协议。用UDP通信有以下特点： 1、 数据传输不用建立连接，所以不可靠；
2、 数据的发送是面向整个网络的，任何一台在局域网内的计算机都可以接收到相同的数据；
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Size: 14308 |
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Description: Java网络编程的若干源码之No.1-Java Network Programming several source Zhi No.1
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Size: 2680 |
Author: 王心宇 |
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Description: GPRS网络上数据传输协议之讨论.pdf-GPRS network data transmission agreement discussions. Pdf
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Size: 215560 |
Author: lhzw2001 |
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Description: 该代码实现网络数据传输,网络通信协议采用的是udp协议部分原码
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Size: 4627 |
Author: 苏寒 |
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Description: （利用GIF_LZW算法实现的）网络图片传输 技术特点 ~~~~~~~~ 一、使用TCP协议传输数据。理由：稳定性好。 二、使用字节数据流进行传输，理由： A:VB的String存在自动Unicode转换问题，影响速度； B:可以直接发送8位字节数据，不需要使用Base64编码，从而减少了编码时间。 三、使用GIF-LZW压缩算法压缩图像。理由： A:行程编码、Huffman压缩算法压缩率太低； B:JPEG压缩算法需要太多位运算，且运算量大（有专门MMX优化算法），不利于VB实现； C:GIF-LZW压缩算法压缩率较好，且我已想出VB语法下高效GIF-LZW压缩/解压算法。 四、使用“有序抖动”算法进行 色彩量化。理由：“有序抖动”处理的结果具有一定规律性，有助于LZW类算法压缩。-(using GIF_LZW algorithm) picture transmission network ~~~~~~~~ a technical features, the use of TCP to transmit data. Reason : good stability. Two, the use of byte data stream for transmission, reasons : A : VB String exist automatically Unicode conversion, the impact speed; B : can directly send eight bytes of data and do not need to use Base64 encoding, thereby reducing the coding time. 3, the use of GIF - LZW compression algorithm for image compression. Reason : A : itinerary coding, Huffman compression algorithm compression rate is too low; B : JPEG compression algorithm needs much-bit computing, and large amount of computation (with MMX specialized optimization algorithm), is not conducive to VB; C : GIF - LZW compression algorithm compression ratio better, and I have come up with un
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Size: 62518 |
Author: 房 |
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Description: 基于Reliable UDP的应用层数据传输传输协议。可避免TCP/UDP的缺陷，适合大量数据传输。
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Size: 736663 |
Author: good.luck.cdw@gmail.com |
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Description: Java网络编程的若干源码之No.1-Java Network Programming several source Zhi No.1
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Size: 2048 |
Author: 王心宇 |
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Description: 基于GPRS无线网络和IP协议的数据传输系统 通信模块C51单片机程序-GPRS-based wireless network and IP data transmission system communication module C51 microcontroller procedures
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Size: 45056 |
Author: 肖晓 |
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Description: （利用GIF_LZW算法实现的）网络图片传输 技术特点 ~~~~~~~~ 一、使用TCP协议传输数据。理由：稳定性好。 二、使用字节数据流进行传输，理由： A:VB的String存在自动Unicode转换问题，影响速度； B:可以直接发送8位字节数据，不需要使用Base64编码，从而减少了编码时间。 三、使用GIF-LZW压缩算法压缩图像。理由： A:行程编码、Huffman压缩算法压缩率太低； B:JPEG压缩算法需要太多位运算，且运算量大（有专门MMX优化算法），不利于VB实现； C:GIF-LZW压缩算法压缩率较好，且我已想出VB语法下高效GIF-LZW压缩/解压算法。 四、使用“有序抖动”算法进行 色彩量化。理由：“有序抖动”处理的结果具有一定规律性，有助于LZW类算法压缩。-(using GIF_LZW algorithm) picture transmission network ~~~~~~~~ a technical features, the use of TCP to transmit data. Reason : good stability. Two, the use of byte data stream for transmission, reasons : A : VB String exist automatically Unicode conversion, the impact speed; B : can directly send eight bytes of data and do not need to use Base64 encoding, thereby reducing the coding time. 3, the use of GIF- LZW compression algorithm for image compression. Reason : A : itinerary coding, Huffman compression algorithm compression rate is too low; B : JPEG compression algorithm needs much-bit computing, and large amount of computation (with MMX specialized optimization algorithm), is not conducive to VB; C : GIF- LZW compression algorithm compression ratio better, and I have come up with un
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Size: 62464 |
Author: 房 |
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Description: 这个程序主要是介绍如何利用TCP协议进行网络聊天的. 下面简要的介绍一下TCP,TCP即数据传输控制协议，它允许创建和维护与远程计算机的连接，利用TCP协议连接两台计算机就可彼此进行数据传输。-this procedure is mainly how to use TCP network chat. Below is a brief introduction about TCP, TCP or data transmission control protocol, which allows the creation and maintenance of computer and remote connectivity, the use of TCP connections between two computers can be for data transmission.
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Description: 多线程 网络传输
开发环境：Delphi7.0+WinXP，没用其他控件(除了Delphi自带的Indy)
传输协议：TCP/IP
客户端一次发送65000字节的包，服务端负责组装并处理数据粘连。
使用ReadBuffer()，Send()函数来接收发送Buffer内字节，这样作的目的是使程序具有更好的灵活性。你可以自定义Buffer内那些字节的含义，例如是字符串、图像、声音、命令等等。
文件的多线程读写采用windows内存映像技术。
关键的服务器处理函数IdTCPServer1Execute(AThread: TIdPeerThread)是非线程安全的。如果使用临界区，那么多线程将在这里串行执行，严重降低多线程效率。对此，我采用一个简单的办法，具体可以看程序。-multithreaded network transmission development environment : Delphi7.0 WinXP, useless other controls (except for the Delphi Indy own) transmission protocol : TCP/IP client to send a 65,000-byte packets, the server is responsible for assembling and processing data adhesion. Use ReadBuffer (), Send () function to receive this Buffer byte, for the purpose of this is to make procedures better flexibility. You can define Buffer byte within the meaning of those, such as strings, images, sounds, etc. order. The documents used to read and write multi-threaded windows memory mapping technology. Key server function IdTCPServer1Execute (AThread : TIdPeerThread) non-thread safe. If the use of critical areas, so many threads here on serial implementation, a serious decline in the efficiency of multit
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Size: 69632 |
Author: 水滴 |
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Description: 在盒子里得到了这么多朋友无私的帮助，真的表示感谢！看到很多朋友在寻求多线程网络传输代码，为此，从我开发的网络棋牌游戏中整理出这个献给大家:)
开发环境：Delphi7.0+WinXP，没用其他控件(除了Delphi自带的Indy)
使用协议：TCP/IP
客户端一次发送65000字节的包，服务端负责组装并处理数据粘连。
使用ReadBuffer()，Send()函数来接收发送Buffer内字节，这样作的目的是使程序具有更好的灵活性。你可以自定义Buffer内那些字节的含义，例如是字符串、图像、声音、命令等等。
文件的多线程读写采用windows内存映像技术。
关键的服务器处理函数IdTCPServer1Execute(AThread: TIdPeerThread)是非线程安全的。如果使用临界区，那么多线程将在这里串行执行，严重降低多线程效率。对此，我采用一个简单的办法，具体可以看程序。-be in the box so many friends selfless help and really grateful! Many friends in the search for multi-threaded network transmission code, for from my development of the network and dominoes game sorted out the dedicated people :) development environment : Delphi7.0 WinXP, useless other controls (except for the Delphi Indy own) use agreement : TCP/IP client to send a 65,000-byte packets, the server is responsible for assembling and processing data adhesion. Use ReadBuffer (), Send () function to receive this Buffer byte, for the purpose of this is to make procedures better flexibility. You can define Buffer byte within the meaning of those, such as strings, images, sounds, etc. order. The documents used to read and write multi-threaded windows memory mapping technology. Key server functio
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Size: 54272 |
Author: tom |
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Description: GPRS网络上数据传输协议之讨论.pdf-GPRS network data transmission agreement discussions. Pdf
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Size: 215040 |
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Description: 该代码实现网络数据传输,网络通信协议采用的是udp协议部分原码
-The code to achieve data transmission network, the network communication protocol udp protocol used is part of the original code
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Size: 4096 |
Author: 苏寒 |
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Description: 计算机网络的数据链路层协议保证通信双方在有差错的通信线路上进行无差错的数据传输，是计算机网络各层协议中通信控制功能最典型的一层协议。
为了更好地掌握“滑动窗口”技术，要求在一个数据链路层的模拟实现环境中，用C/C++语言实现“退回到N重发”的滑动窗口协议（协议5）和“选择重发”的滑动窗口协议（协议6）。-Computer network data link layer protocol to ensure that there are errors in communication between the two sides in the communication line on the error-free data transmission, all floors of the agreement is the computer network communication control protocol layer of the most typical. In order to better grasp the sliding window technology, the requirements in a data link layer of the simulation environment, with C/C++ Language back to the N re-issued, the sliding window protocol (Protocol 5) and choice of re-issued, the sliding window protocol (protocol 6).
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Size: 4096 |
Author: 王小米 |
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Description: 环境监测无线传感器网络节点的设计 针对环境监测的要求,开发了一种兼容型的无线传感器网络节点系统。该系统以MSP430FG4618为核心,采用 CC2420 214G射频芯片,软件上移植了德州仪器( TI) ZigBee协议栈,并在应用层开发了通信程序。该系统可以组建成稳定的网状网络,功耗低,数据传输稳定.-Environmental monitoring wireless sensor network node designed for environmental monitoring requirements, to develop a compatible system for wireless sensor network node. The system MSP430FG4618 as the core, using radio frequency chip CC2420 214G, software transplanted Texas Instruments (TI) ZigBee protocol stack, and the application layer has developed a communication program. The system can be formed into a stable mesh networking, low power consumption, data transmission and stability.
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Size: 366592 |
Author: 崔卫 |
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Description: GPRS网络TCP与UDP数据传输协议的对比，详尽介绍了相应数据传输的内容和效率问题。-GPRS network TCP and UDP data transfer protocol comparison, the corresponding data detailed descriptions of the content and efficiency.
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Size: 47104 |
Author: 董文君 |
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Description: 本文概述了Petri网的历史、发展、研究方法及应用领域，同时介绍了Petri网的基本原理，并给出了一个计算机网络链路层数据传输协议——停等协议的Petri网模型。最后，概述了Petri网研究和应用中出现的问题，展望了Petri网的发展方向。
-This article outlines the history of Petri nets, development, research methods and applications, and introduces the basic principles of Petri nets, and gives a computer network link layer data transfer protocol- Holding Petri net model of protocol. Finally, an overview of research and application of Petri net problems, prospects of development of the Petri net.
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Size: 7168 |
Author: 俞锃光 |
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Description: 在高速数据传输网络中．UDP协议有着其它数据传输协议无法比拟的优势，但也存在着传输可靠性差的问题。文章在细致分析UDP协议特点的基础上，对其关键技术进行了改进，设计出了一种新的可靠UDP协议，大大提高了数据传榆的可靠性。-In the high-speed data transmission network. UDP protocol with other data transfer protocol can not match advantage, but there is also the problem of poor transmission reliability. The paper features a detailed analysis based on the UDP protocol, to improve its key technology to design a new reliable UDP protocol, greatly improving the reliability of data transfer elm.
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Size: 2853888 |
Author: 宋庆席 |
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Description: 开发环境： C++，Linux 平台。
项目描述： 首先利用 UDP 协议，创建客户端和服务端，然后利用 JSON 库对数据进行封装，进
而实现对数据的传输，最后通过 NCURSES 库绘制窗口，实现界面化。
相关知识： 线程的运用，STL 容器的运用，第三方库 NCURSES、 JSON 的运用。
项目收获： 了解到了聊天系统的原理，加深了对网络数据传输的理解(Please have a look at Chinese)
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Author: 朱超
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