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IP over SDH and IP over ATM Technology

1 IntroductionIn recent years, with the exponential growth of the Internet, it has put forward higher requirements for WAN bandwidth. Internet service providers (ISPs) are actively exploring various technologies to better connect to their backbone routers. The common approach is the adoption of asynchronous transfer mode ATM) technology, using 155 M (STM-1) up to 622 M (STM-4) of high-speed links. As a result, many IP over ATM technologies are generat

Protocol forest 03 IP race (IP, ARP, Rip, and BGP protocols)

Author: vamei Source: http://www.cnblogs.com/vamei welcome reprint, please also keep this statement. Thank you! Network Layer)It is the most important layer to implement the internet. At the network layer, each LAN is connected to each other based on the IP protocol and eventually forms a global Internet. Higher-level protocols, whether TCP or UDP, must pass through the network layerIP data packet)To transmit information. The operating system als

Passive response and unsolicited source IP selection when a single machine configures multiple IP addresses

http://zhangxugg-163-com.iteye.com/blog/1669810 If a host is bound to have multiple IP addresses, then in the passive response and active initiating connection two ways, the source IP address selection mechanism is certainly different. When the host receives the external packet and sends the response packet, the response source address is clearly the address of the client request, which is very easy to un

Docker specifies IP address, same network segment IP as host

First, let's talk. Docker's network mode: When we use Docker run to create a container, we can use the--net option to specify the network mode of the container, with Docker having a total of 4 network modes: 1:bridge mode,--net=bridge (default). This is the default setting for the Dokcer network. After installing Docker, the system automatically adds a bridge Docker0 for Docker to use, and when we create a new container, the container obtains an IP ad

TCP/IP Learning Note (iii)--IP,ARP,RARP

Reference documents:* "TCP/IP detailed Volume One: agreement"; 1. IP Internetwork Protocol 1.1 features:unreliable : The IP datagram cannot be guaranteed to reach its destination successfully;No connection : Do not maintain any information about the subsequent datagram status, that is, no handshake, such as UDP is not connected;1.2

Ip address, subnet mask, and address classification, ip subnet mask

Ip address, subnet mask, and address classification, ip subnet mask Http://blog.csdn.net/bluishglc/article/details/47909593? Utm_source = tuicool utm_medium = referral There are not many opportunities to use network knowledge in actual work. Although I have learned it before, it will become unfamiliar without having to use it for a long time. Recently, I got several virtual machines on the cloud and neede

[Collection] the difference between the three attributes of the Web Client IP address acquisition user IP address (http_x_forwarded_for, http_via, remote_addr)

There are bugs in the so-called "getting real IP addresses" method on the Internet, and the multi-layer transparent proxy is not taken into account.MajorityCodeFor example: String IPaddress = (httpcontext. Current. Request. servervariables ["http_x_forwarded_for"]! = NULL Httpcontext. Current. Request. servervariables ["http_x_forwarded_for"]! = String. Empty)? Httpcontext. Current. Request. servervariables ["http_x_forwarded_for"]: Httpcontext. Cur

Enterprise Network Cisco switch DHCP snooping and IP source guard prohibit manual IP configuration

Tags: IP source GuardNetwork topology structure:Scenario Description:Core layer: Each VLAN interface gateway is at the core layerAggregation layer: Two stacks, port-channel to the core layer, Port-channel Xia Lian to the access layer, do not run dynamic routingAccess layer: Two port Port-channel, link to two aggregation switches respectivelyObjective:Prevent internal enterprise network from accessing DHCP server through DHCP snooping;Prevent internal

Principles and structures of IP phones in IP routing technology

The IP routing technology has been widely used in various fields and is gradually being upgraded. Here we mainly analyze the principle structure and key technologies of the IP routing technology. With the rapid development of optical networks and the application of digital transmission technology, problems such as bandwidth and service quality, which were regarded as bottlenecks in data communication networ

Eight web crawler explained 2-urllib Library crawler-IP Agent-user agent and IP agent combined application

Using IP proxiesProxyhandler () format IP, first parameter, request target may be HTTP or HTTPS, corresponding settingBuild_opener () Initialize IPInstall_opener () Sets the proxy IP to global and automatically uses proxy IP when Urlopen () requests are used#!/usr/bin/env python#-*-coding:utf-8-*-import urllibimport ur

Penetrate the Intranet, connect to dynamic IP addresses, and penetrate the Intranet IP address-P2P implementation principle

I found a lot online,CodeThere are not many details about the principles. I 'd like to explain a few articles. One TechnologyArticle, The most important thing is to clarify the principle, if there is a complete operationSource codeAlso, the key is to clearly analyze the core part of the code. (1) origin: Most computers use dynamic IP addresses to access the Internet. Intranet IP addresses are alloca

Pure IP Database Discuz 50 read the Pure IP database function analysis

Discuz 5.0 is not using their own IP data, but the use of pure IP data format, access to the pure IP database a little bit of trouble, its storage format is very special and interesting, specific format analysis refer to the following two links, other languages to implement the link at the end of the reference article. "Pure

Backbone IP Address Transmission Technology Based on wdm ip Address Transmission

Currently, three most popular IP transmission technologies are available: IP over ATM, IP over SDH, and IP over WDM. All three IP transfer technologies will play their own roles in different periods of telecommunication network development and different parts of the network.

TCP/IP Study Notes (3)-IP protocol, ARP protocol, RARP Protocol

Transfer http://blog.csdn.net/goodboy1881/article/details/668556 ------------------------------------------------------ Put the three Protocols together for learning because these three protocols are on the same layer. ARP is used to find the MAC address of the Ethernet NIC of the target host, and the IP address carries the message to be sent. The data link layer can get the data transmission information from ARP, and get the data information to be tr

Chinese online push IP integration strategy orientation incubation broken IP chaos image

Only by the reputation of the IP past to do propaganda and powder, in the derivative process of the brutal operation of the savage operations has apparently put the IP economy into a bubble burst on the line.650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M00/84/79/wKioL1eRszSxddeLAAlaZcM5Ri4654.jpg "title=" 325235232363.jpg "alt=" Wkiol1erszsxddelaalazcm5ri4654.jpg "/>Wen/Zhang ShuleAccording to med

TCP/IP explanation (3) IP: Internet protocol, Chapter 3 notes

I. Introduction: IP is the most core protocol in the TCP/IP protocol family. All TCP, UDP, ICMP, and IGMP data are transmitted in IP datagram format. Note that the IP address is not a reliable protocol, the IP protocol does not provide a processing mechanism after the data i

"TCP/IP Detailed Volume 1: Protocol"--3rd IP: Internet Protocol (reprint)

1. IntroductionIP is the most central protocol in the family of TCP/IP protocols. All TCP, UDP, ICMP, and IGMP data are transmitted in an IP datagram format. IP provides unreliable, non-connected datagram delivery services.(1) unreliableIt does not guarantee that IP datagrams will successfully reach their destination.

Key Technology Analysis of IP router technology and IP Phone

IP router technology is still quite common, So I studied the Key Technology Analysis of IP router technology and IP Phone. Here I will share it with you and hope it will be useful to you. IP phones are the economic advantage of combining voice data integration with the technical progress of voice/grouped

Use pure qq ip database for fast IP address retrieval

The pure version of IP data files can be used to optimize the query method, improve the format conversion efficiency, reduce the number of file reads, and quickly query IP addresses online. Greatly reduce the number of file reads, which should be beneficial to protecting the server's hard disk. Add a database browser to view the qq ip data files of the pure versi

Summary of IP Phone and IP router technology application experience

There are still many things worth learning about the IP router technology. Here we will mainly introduce the experience of IP phones and IP router technology. There are still many problems to solve when the IP Phone is transferred to the local device. There will be many policy issues to solve, such as operating license

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