Use TCP/IP protocol to implement chat program

TCP/IP transmission is a point-to-point transmission mode! 1. Create an application. Select the "Application" option under the "NEW" menu to create a common Application. 2. Create the required controls.First, select the ImageList control and CoolBar

TCP/IP basic ARP Protocol

Strictly speaking, the TCP/IP protocol family does not define "dedicated TCP/IP" network hardware specifications. The hardware scope is too broad and there are many standards. Most of the Low-layer network hardware standards today are developed by

Try to shield nat from the TCP/IP protocol stack

When developing the H323 device, I found that there is a public IP address, which is really good, because the TransportAddress in H245 contains the IP address information. Sometimes it may be at least theoretically true after portforward ).

TCP/IP protocol stack application in Embedded Heterogeneous Networks (2)

3. Design and Implementation of SX52 ICMP protocolTo allow routers on the Internet to report or provide unexpected information, in the TCP/IP Protocol series, an Internet Control Packet Protocol (ICMPInternet Control Message Protocol) is added for

Use protocol analysis tools to learn TCP/IP

I. Preface At present, the speed of network development is very fast, and more people are learning the network. People with a little knowledge about the network know that the TCP/IP protocol is the basis of the network and the language of the

TCP/IP protocol details volume 1 Study Notes Series 2

TCP/IP protocol details volume 1 Study Notes Series 2 Chapter 7 and Chapter 8 Chapter 7 is the basic principle of the Ping program, and chapter 8 is the principle of traceroute (tracert in Win2000. This article mainly introduces some principles and

TCP/IP protocol processing is changed from "soft" to "hard"

In the face of the rapid growth of network bandwidth and speed, traditional TCP/IP protocol processing through software has become the bottleneck of high-performance network computing.In the current Ethernet environment, TCP/IP protocol processing

Overview of TCP/IP, Static Routing, and CDP protocols

Understanding the TCP/IP protocol is the basis for learning the configurations of routers and switches. Understanding and configuring static routes is the basis for understanding and configuring dynamic routing protocols; as an auxiliary debugging

Detailed description of TCP/IP protocol 1 Study Notes-IP checksum and ICMP protocol

Test of IP datagram:In order to calculate the I P test of a datagram, the test field is set to 0. Then, for each 16-bit in the header, the binary inverse sum and the entire header are regarded as composed of a string of 16-bit characters. The result

Analyze TCP and UDP protocols

What are TCP and UDP?TCP and UDP are two transport layer protocols in the TCP/IP protocol. They use the IP routing function to send data packets to the destination, so that the application and application layer protocols include: HTTP, SMTP, SNMP,

Overview of route selection protocols, RIP, and IGRP

This section describes the preparations for this experiment, including a brief summary of the routing protocol and the distance vector routing protocol RIP and IGRP.1. Route Selection protocol and its classificationThe IP Route Selection protocol

IPv6 Protocol address type

All types of IPv6 addresses are allocated to interfaces instead of nodes. The IPv6 address specifies a 128-bit identifier for the interface and interface group. There are three types of addresses: [1] Unicast) Address: a single interface has an

Campus wireless network security and LAN authentication Solution

With the advent of the wireless information age, campus wireless information teaching has become a criterion for determining the school level. Moreover, with the increasing demand for Internet and Intranet LAN access for laptops with wireless

802.11k allows the WLAN system to access client wireless resources

The IEEE 802.11 WLAN standard allows access points and switches of different vendors to communicate with each other, but it does not allow the WLAN system to access the wireless resources of the client. This defect limits the ability of management

Research on the Coordination of Wireless Access Technologies

Wireless access technology is still quite commonly used. So I have studied the questions about the coordination of wireless access technology. Here I will share with you, I hope it will be useful to you. Mobile operators will use multiple methods to

How to automatically log on to ADSL at startup (1)

ADSL is used for home broadband access. This is already quite common. However, it seems very troublesome to log on every time you start the system. So how do we set automatic login to ADSL at startup? Next we will introduce this method in detail.

Introduction to ADSL shunting Solution

In the use of the network, we can always encounter a large number of centralized users. In order to relieve the pressure on the network, we have proposed the ADSL shunting Technology for rectification. As an example, we will introduce you to an ADSL

Main Factors of Optical Fiber head connection failure

Of course, the excellent and fast non-polished Optical Fiber head end-to-end connection technology will still cause poor connection due to improper operations or material damage problems. Factors that may cause connection failure include:. pollution,

Example: difficulties in solving simple problems (1)

Bkjia.com exclusive Article: as a network engineer, not just sitting in front of a computer, using remote control, on a switch, router, or security device, enter and execute some commands to complete all the work. Sometimes the network manager is

Production of twisted pair wires

The procedure is as follows:Step 1:The length of the twisted pair Cable required to be cut by mistake at the diagonal port is at least 0.6 meters, and cannot exceed 100 meters. Then, use the twisted pair wires to strip the cables. The outer skin of

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