application gateway, through the Internet interconnection. In the WiMAX architecture, IMS is located in CSN to differentiate it from the wireless access ASN.
application Example Analysis
After the solution is connected with the IMS, the SIP client software is installed in the WiMAX terminal, which can provide various kinds of business that can be realized in the IMS network, such as IP Phone (VoIP), rendering and instant message, Video conferencing (conferencing), Push to Talk, Short message
multiplexing system develops extremely rapidly. Therefore, all kinds of newly developed optical devices are more or less related to wavelength division multiplexing. The development of DWDM has been the pursuit of a higher frequency spectrum efficiency, on the one hand, improve the speed of each channel, on the other hand increase channel density. At the rate, the current commercial systems are mostly 2.5gbit/s or 10gbit/s, the higher rate 40gbit/s systems are being applied, and commercial appl
MySQL is a leader in open source, and one of the fastest growing open source database developers in the world. As the world's most popular open source database software, the MySQL Enterprise Edition is the company's flagship product, including product testing software, active monitoring tools and gold support services. Many of the world's largest and fastest-growing companies and institutions, including industry leaders such as Yahoo, Alcatel-Lucent,
Management page, find the UPNP option, set it to "start ", enable this function in Control Panel → add or delete programs for mainstream operating systems such as Windows XP.
4. Enable the routing shielding function
Of course, many users who use broadband wireless cats included in the E8 package of China Telecom are not so lucky. To prevent multiple users from sharing the Internet, china Telecom has disabled or hidden routing, virtual dialing, and even wireless functions among its customized br
gateway and DNS are the same, and the built-in IP address of ADSL should be entered, and the IP address corresponding to the gateway is in the same network segment as the built-in IP address of ADSL.Configure the port ing of Alcatel _ ADSL_MODEM511EFirst, enter 10.0.0.138 in the browser window to enter the routing settings window.Then, select "Advanced Configuration"> "NAPT"> "add"Then select:The communication protocol is TCP.The internal IP address
When users use mobile devices such as mobile phones to access the site, we can detect the user terminal type through the program, if it is a mobile phone user, then guide the user to the mobile site adapted to the mobile screen. This article will show you how to use PHP and JavaScript code to determine the user terminal type.PHP versionWe use PHP's $_server[' http_user_agent ' to get the user agent of the mobile phone user's browser, and then match the existing various mobile browser proxy libra
How to use PHP to determine whether a client is a mobile phone or a computer? In fact, developers know that when visiting a website through a browser , the browser sends a UA to the server, the user agent. UA for different browsers, different versions of the same browser, mobile browsers, and computer-side browsers are not the same. We just need to write the procedure to get the UA and then determine what the UA is, and then we can tell if it's a phone or a computer. Below, the PHP code to deter
mobile phone:
The Code is as follows:
RewriteEngine On
RewriteCond % {HTTP_USER_AGENT }"! (Android | blackberry | googlebot-mobile | iemobile | ipad | iphone | ipod | opera mobile | palmos | webos) "[NC]
RewriteRule ^ (. *) $/$1 [L, R = 302]
In the end, because RewriteRule ^ (. *) $/m/$1 [L, R = 302] [L, R = 302]. If you want to access resources on a non-mobile page, use regular expressions to exclude specified files, such as Rewri
reduce latency and ensure security. As switches, hubs, and NICs adopt a unified system environment, the vswitch supports image transmission over Ethernet. Figure 5 shows the architecture of the second and third generations.Development Prospect of LAN multi-layer Switching TechnologyWith the development of LAN multi-layer switching technology, layer-4 switching has emerged. It expands layer-3 and layer-2 switching and supports more fine-grained network adjustment, and the priority of communicati
conducting NGN network experiments and trial operations. Currently, many equipment suppliers, such as Siemens, Alcatel, Nortel Network, and ZTE, have released solutions for the Next Generation Network. It can be said that NGN has a huge commercial interest. The transformation of NGN to the existing network will greatly enhance the competitiveness of the network. At the same time, the multimedia services in NGN will be the profit growth points of majo
switching technology, layer-4 switching has emerged. It expands layer-3 and layer-2 switching, supports more fine-grained network adjustment, and gives priority to communication streams. The layer-4 switch is a policy-based route. It is located on the layer-4 of the ISO Reference Model and uses the layer-4 information. According to the layer-4 Information, for example, the port number of the data packet in TCP/UDP is exchanged. It allows you to prioritize communication data based on application
good impression on me.
My selection strategy at the end of my career: the objective situation is that many of my colleagues are potential competitors, including oriental standards, Shang Guan, sub-embedded, and embedded graduate students. There are many companies, there are also a lot of city choices. What strategies should I choose to have a greater advantage.
I analyzed my own situation. The advantages are: WCDMA engineering experience, 2 years of overseas experience, and good English. My w
At present, China's wireless routers are developing rapidly. Here we will mainly explain the experiences of using wireless routers. Recently, I 've played with several common wireless routers on the market. I 'd like to explain my feelings so that users can buy them later. it's just a little bit of a diving old bird. I am a player who prefers p2p software. I like to squeeze every 1 k of bandwidth. therefore, the stability requirements for wireless routers are also relatively high. here I will al
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