A. the Gangnam Style video has set the Guinness World Record for the most liked one in YouTube history
B. more and more people are interested in the song only because of its lyrics(歌词)
C. Justin Bieber was once the most popular on YouTube before Gangnam Style
D. with people understanding the song well, the video has become the talk of the Internet
(D)
The world will run out of Internet addresses within weeks, according to one of the founding fathers of the Web.
Vint Cerf, who helped create the Web by connecting computers using Internet Protocol(协议)(IP)addresses, said it was his fault that the 4. 3
billion addresses created were running out.
“I thought it was an experiment and I thought that 4. 3 billion addresses would be enough to do the experiment, ” Cerf, who is Google’s vice president and Chief Internet Evangelist, said,
“Who the hell knew how much address space we needed?”
In 1977, Cerf created the Web protocol IPv4, which connects computers globally, as part of the experiment while working with the US Department of Defense. He said he never expected his experiment “wouldn’t end” . “It doesn’t mean the network stops, it just means you can’t build it very well. ” Cerf said.
IP addresses are the unique sequence of numbers assigned to each computer, websites or other Internet-connected devices. They are not the same as website domain names. The overwhelming number of devices now accessing the Internet means the addresses are running out fast. To resolve the crisis, an updated protocol for the Internet, IPv6, currently being planned by the industry, will create trillions of addresses.
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