Packets In Networking

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Technical explanation of IP virtual private network

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 ...

Alexa in China, in the end what is the thing?

The intermediary transaction SEO diagnoses Taobao guest stationmaster buys cloud host technology Hall recent Alexa to the domestic website punishment farce has always had does not do lonely person to come out the commotion, the vast majority of people say or obscure that the domestic such as Cool News, Yi, popcorn and other "because many Chinese Internet practitioners blindly pursue the short title, leading to its Web site rankings in the Alexa abnormal changes "" This pursuit of short-term reputation of cheating directly led to the Chinese Internet impetuous atmosphere. "(above from 20 ...)

Enterprises can no longer avoid the cloud - the five trends in the future cloud environment

From the delivery of applications to security and monitoring, it looks as if everything is beginning to shift to the cloud environment, and the IT industry is facing an era of chaos and hardship that has never been before. The good news is that more and more tools are available on the market, and the bad news is that you can no longer solve all your problems by choosing a vendor like before. With this shift in mind, last week's Interop Assembly returned to the most basic topic of interoperability. Such as Interop this large-scale exhibition total ...

Obama's second State of the Union address since his inauguration in Congress

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 ...

In the red envelope war, who is in joy who is crying?

If this year's Spring Festival red Envelope War, Alipay was micro-letter off a few street words, that no doubt, the mobile phone QQ war, let these "street" another one. Last year during the Spring Festival, there are two hot spots, one is the micro-letter red envelopes, and the second is two taxi software so that the people of the country free taxi. Then this year's Spring festival during the hot spot is only the red envelope contest. Drops and fast already together, Lang affection concubine. "Two horses" for the red envelope is still in full swing, if the last year micro-letter is a sneak attack on Pearl Harbor campaign, then this year to pay treasure red envelopes hope to a Midway Is. campaign, but did not expect QQ red envelopes from ...

Telecommunication packages are still lacking in competitive terminals

Tencent Technology News July 15, China Telecom formally implemented today 4G 177 number. The number is limited to Shanghai, Shenzhen, Nanjing and other 16 cities, and mainly concentrated in the online channel pre-sale. China Telecom jointly Jingdong implementation of the first online sales. Consumers starting from 10 o'clock this morning began to buy No. 177 4G segment card. Currently in the Jingdong pre-sale page, more than 679,000 people have booked. Opened Telecom 4G 177 section number of the sixteen cities include: Shanghai, Xi'an, Chengdu, Jinan, Hangzhou, Wuhan, Nanjing, Hefei, Shijia ...

In the big Data age, where is personal privacy?

March 22, the Internet Vulnerability Report Platform Cloud Network released a message: Ctrip will be used to deal with user payment of the service interface to open the debugging function, so that all the bank to verify the card owner interface transmission of packets are directly stored in the local server, may be read by any hacker. According to the report, the leak information contains the user's name, ID number, bank card number and category, card CVV code, 6-bit card bin (6 digits for payment). If someone obtains the above information, they can easily complete the credit card payment. The news, a credit card on the Ctrip ...

In the big Data age, where is personal privacy?

March 22, the Internet Vulnerability Report Platform Cloud Network released a message: Ctrip will be used to deal with user payment of the service interface to open the debugging function, so that all the bank to verify the card owner interface transmission of packets are directly stored in the local server, may be read by any hacker. According to the report, the leak information contains the user's name, ID number, bank card number and category, card CVV code, 6-bit card bin (6 digits for payment). If someone obtains the above information, they can easily complete the credit card payment. The news, a credit card on the Ctrip ...

The demand for supporting services in the undeveloped land of foreign trade dealers is highlighted

April 15, 2012, the 111th session of Canton Fair in Pazhou complex opened the curtain. As a matter of time, this comprehensive international trade show, which boasts the oldest, largest and most diverse category of goods in China, has gone through 55 years since its inception in 1957. In its heyday, its total turnover accounted for nearly one-fourth of the total domestic trade exports. In stark contrast, on the other side of the Guangzhou-Shenzhen Railway, the shabby industrial areas are hiding countless small companies that "you don't even know what they're selling," but are using ebay, A ...

Discussion on application of WAN optimization technology in petroleum industry

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 ...

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