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Difference Between TCP and udp tcp-Transmission Control Protocol, which provides connection-oriented and reliable byte stream service. Before the customer and the server exchange data with each other, a TCP connection must be established between the

Before network device registration and NIC initialization are available, the associated net_device data structure must be initialized and added to the kernel Network Device database,Configure and enable. It is important not to confuse

The following uses port 80 as an example, if you want to know other port numbers, you can also use this method .......................... 1. In windows, how does one view port 80 usage? Which process is occupied? How to terminate.Here we mainly use

LISTEN: this is also an easy-to-understand state, indicating that a SOCKET on the server is in the listening state and can accept connections. SYN_RCVD: this status indicates that the SYN packet is received. Normally, this status is an intermediate

Reverse path forwarding is an important foundation for reverse route forwarding in CISCO Multicast RPF. Only after successful RPF detection can multicast traffic be correctly forwarded in the network. When you query the keyword "cisco rpf detection

Analysis of soap http Binding HTTP Communication over TCP/IP. The HTTP client uses TCP to connect to the HTTP server. After the connection is established,The client can send an HTTP request message to the server: POST/item HTTP/1.1 Host: 189.123.345.

The ospf Protocol Configuration experiment summary project is required. In the past two days, an environment is set up on GNS3, And the ospf cost value configured on the corresponding interface is 1000, however, some problems are found and the

Three steps to clean VLAN deletion yesterday I met a friend who said VLAN deletion is not clean. I asked how to delete it. He said no vlan. In this case, the interface is also configured when VLAN is configured. Next I will write down how to delete

Storage entry: some differences between fiber optic Nic and HbA cards are that in the early SAN storage system, data transmission between servers and switches is performed through optical fibers, because the server is to transmit SCSI commands to

Network traffic control is a very important part of LAN maintenance. It mainly involves the following methods: 1. Divide the network segments into different network segments by mask, which can reduce network broadcast, it can achieve fast

The most common problem for network administrators is the network connection problem. Maybe the computer of the company's employees cannot access the Internet, so we can detect the problem through a few simple steps, however, there is a network

ACS introduction Cisco Secure Access Control Server (Cisco Secure Access Control Sever) is a highly scalable and high-performance Access Control Server that provides a comprehensive network solution for identity recognition, it is an important

There are many ways to build high network availability, such:1. server clusters include LB: Server Load balancer cluster HA: high availability cluster 2. router device HSRP: hot backup routing protocol VRRP: vro redundancy protocol 3. linux Network

OSPF is a link State Routing Protocol Based on SPF algorithms.Under www.2cto.com, Ma summarized the detailed work process of this agreement and hoped to help you ......When a new router is added to an OSPF area, the OSPF protocol is working. If you

TCP is a connection-oriented protocol. Before sending data to the other party, a connection must be established between the two parties. This section describes in detail how a TCP connection is established and how it is terminated after the

If you understand the ACL, you cannot solve the problem of wildcard mask and wildcard mask. To put it simply, the wildcard mask means that 0 is an absolute match and must be strictly matched, while 1 is an arbitrary one. In a sense, if an 8-bit has

Using the ping command to detect the network layer protocol and hardware ping command is a basic network test command, which supports echo protocol, echo protocol checks network connectivity by testing packets forwarded by routers. During the test

Understanding of the IP packet header validation field the IP packet format and the first field:Www.2cto.comThe data items in the table above are not explained in detail. Here we focus on the following data items:1. 4-bit Header Length: The length

Analysis of TCP three-way handshake processTCP (Transmission Control Protocol) Transmission Control ProtocolTCP is the transmission control protocol used by the host to control the host layer. It provides reliable connection services and uses three

TCP/IP explanation: the IP protocol ARP protocol and RARP protocol put the three Protocols together for learning because the three protocols are on the same layer. ARP is used to find the Mac address of the Ethernet NIC of the target host, the IP