Networking Packet

December 14, Bluetooth Technology Alliance (SIG) in the global release of Bluetooth 4.2 standard. In the afternoon of yesterday (January 21), SIG held a media communication meeting in Beijing to launch the technology to China. Compared to Bluetooth 4.0, 4.1, Bluetooth 4.2, although only a small version of the forward one, but its update content is quite a lot. It focuses on three aspects: security, speed, networking. When Bluetooth 4.0 was released, Beacon positioning technology began to prevail, but it was followed by an outbreak of user privacy issues. Lei Feng Net has reported New York an advertisement company t ...

Author: The Guanglei May 17, China Unicom launched HSPA commercial in 56 cities nationwide, its network data transmission rate from 7.2mbit/s to 21.6MBIT/S, and launched the WO 3g 21m wireless internet card. In recent years, China Unicom fixed-line broadband and 3G business rapid development, the load-carrying capacity of the network requirements of the increasing.　　Especially in the HSPA network commercial, MSTP for mobile return load has been overloaded, the choice of new bearing mode is imminent. Early layout in HSP ...

IP Virtual Private network is a very complex technology, involving all aspects, the most critical of which is the tunnel technology. Simply put, the virtual private network is actually the data encapsulation of the enterprise network in the tunnel for transmission. Because the tunneling protocol is relatively complex, the virtual private network technology is complicated. The most typical of tunneling protocols are IPSec, L2TP, GRE, PPTP, L2F, and so on. Where GRE, IPSec belongs to the third-tier tunneling protocol, L2TP, PPTP and L2F belong to the second-tier tunneling protocol. The essential difference between the second and third-tier tunnels is that ...

When we talk about how to implement cloud computing, there's a lot of computer resources to manage and share, as well as applications that need to be improved, but there are very few topics and solutions on how to optimize cloud computing. However, when companies are going to decide to use cloud computing on a large scale, we are only focused on recommendations, application management, and major changes in planning - all of which will have an impact on the web. This requires a new approach to cloud computing. Today's network planners realize that "corporate networks" are the true combination of "resource networks" and "access networks." The former connection I ...

The information construction of petroleum industry has developed rapidly in recent years, and there are up to dozens of kinds of systems including OA, mail, video conferencing and professional application system.　　And the enterprise that carries these businesses internal wide area network mostly uses the special line way with each subordinate branch organization to carry on the networking, for some limited well field as well as some overseas branches also uses the satellite to carry on the networking. Enterprise's reliance on information is more and more high, internal application system and load of data more and more, and the network of special line and satellite is often limited by the bandwidth and the quality of networks, and bandwidth increase ...

January 25 This year, U.S. President Barack Obama in the United States Congress issued a second State of the Union address since taking office. In his one-hour speech, "Winning the Future" became the topic of high frequency. The third step to winning the future, he suggests, is "rebuilding America's Infrastructure", the most important of which is to provide next-generation high-speed Internet access to 98% of Americans within the next 5 years. On February 3, the Internet Domain name Authority (ICANN) announced in Miami, the United States, that the IPV4 address library has been depleted, a major historical event in the world's Internet. Also means that the next generation of Internet access to ...

Abstract: China's large base of the sea Amoy Group, in luxury goods, milk powder, electronic products to make a lot of purchasing money foreigners. Little known is that Chinese manufacturing is also very attractive to many foreigners. According to the headquarters in Dalian Cross-border trading service platform every day out of China's large base of the sea Amoy, in luxury goods, milk powder, electronic products to make a lot of purchasing money foreigners. Little known, "Made in China" is also very attractive to many foreigners. According to the headquarters of the Cross-border trading service platform in Dalian, "Daily Export pass," the authoritative data, 2011, the national cross-border electrical business exports ...

With the maturity and development of large data technology, large data has become more and more widely used in commerce, and more and more examples of the interaction, integration, Exchange and transaction of large data are also increasing. In this paper, some problems of large data transaction and the necessity of building large data exchange are discussed and studied. We believe that the establishment of large data exchange is imperative market demand. Currently the following companies and institutions usually have large data: large entity commercial companies or e-commerce companies, such as large chain stores walmart,sears, or Amazon, Alibaba. This kind of public ...

Absrtact: April 8, 2014, the day when XP announced the official cessation of service, it was also the day when Openssl burst into big holes. All afternoon we were in a state of emergency, mentally tense, a vulnerability that affected the 30–50% ratio using HTTPS's Web site, including the days when the official stop of service was announced by April 8, 2014, when XP was Openssl. All afternoon we are in a state of emergency, mental tension, this vulnerability affects 30-5 ...

October 18, 2014,csdn& "programmer" sponsored by the 2014 Container Technical Conference (Container conference 2014) will be held in Beijing, domestic and foreign Container technicians and business practice users will be in Beijing for the first time. Docker, Google kubernetes, VMware, CoreOS, domestic internet companies and start-up technology team container technical experts and first-line developers will share their production environment ...