久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

English 中文網 漫畫網 愛新聞iNews 翻譯論壇
中國網站品牌欄目(頻道)
當前位置: Language Tips > Special Speed News VOA慢速

How can a country disconnect itself from the Internet?

[ 2011-02-21 11:24]     字號 [] [] []  
免費訂閱30天China Daily雙語新聞手機報:移動用戶編輯短信CD至106580009009

How can a country disconnect itself from the Internet?

This is the VOA Special English Technology Report.

A five-day Internet shutdown in Egypt failed to stop the protests that forced President Hosni Mubarak to resign. But it raised a technical question. Just how were Egyptian officials able to shut down Internet service in their country?

Craig Labovitz is chief scientist at Arbor Networks, an Internet security company in the American state of Michigan. Mr. Labovitz says the Internet is not as indestructible as people might think. He says there are points where the flow of computer traffic can be restricted.

CRAIG LABOVITZ: "From a technical standpoint, the popular imagination of the Internet is as a network that can survive nuclear wars, can't be stopped, is everything, everywhere. But the engineering realities are a lot more prosaic. In many countries there are a few natural bottlenecks, whether it be large data centers or right-of-ways."

Mr. Labovitz says his researchers tracked the Internet shut down in Egypt as it was being carried out. He explains that in Egypt, Internet users connect to the outside world through a small number of providers with international links.

CRAIG LABOVITZ: "Although there are 100 or more providers within the country -- domestic providers -- there really are only four providers that maintain external links to the external world. And there's an even a smaller number of data centers where the fiber optics cross Egypt. So you really just need to turn off a handful of machines to have this type of disruption."

News reports suggested that the fiber optic links for those networks are even all housed in the same building.

Could a similar Internet shutdown take place in the United States? Craig Labovitz says that is less of a possibility because of a larger number of Internet providers and data centers.

Still, the recent shutdown in Egypt has raised new concerns about a proposal in the United States Congress. Critics say the legislation could make similar action possible in America.

The measure is known as the Protecting Cyberspace as a National Asset Act. Senator Joseph Lieberman of Connecticut first proposed the bill last June. Supporters say it would help protect the country's economic and national security from cyber attack. It would give the president the emergency power to shut down or seize parts of the nation's Internet in the event of a major threat.

Critics say the bill would give the president too much power. Some people call it the "Kill Switch Bill" -- an easy way to shut off the Internet. They say the government could use it to censor the Web and control the flow of information.

And that's the VOA Special English Technology Report, written by June Simms. Transcripts, MP3s and podcasts of our reports are at voaspecialenglish.com. And we're on Facebook at VOA Learning English. I'm Steve Ember.

prosaic: dull; not romantic; mundane 平淡的;乏味的;無聊的

Related stories:

High food prices helped spark Egypt protests

Living without the Media 在沒有網絡媒體的世界中生活

What it was like in Tahrir Square when Mubarak resigned

Group offers shortwave radios to poor communities

(來源:VOA 編輯:崔旭燕)

 
中國日報網英語點津版權說明:凡注明來源為“中國日報網英語點津:XXX(署名)”的原創作品,除與中國日報網簽署英語點津內容授權協議的網站外,其他任何網站或單位未經允許不得非法盜鏈、轉載和使用,違者必究。如需使用,請與010-84883631聯系;凡本網注明“來源:XXX(非英語點津)”的作品,均轉載自其它媒體,目的在于傳播更多信息,其他媒體如需轉載,請與稿件來源方聯系,如產生任何問題與本網無關;本網所發布的歌曲、電影片段,版權歸原作者所有,僅供學習與研究,如果侵權,請提供版權證明,以便盡快刪除。
 

關注和訂閱

人氣排行

翻譯服務

中國日報網翻譯工作室

我們提供:媒體、文化、財經法律等專業領域的中英互譯服務
電話:010-84883468
郵件:translate@chinadaily.com.cn
 
 
久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

    高清beeg欧美| 欧美性色欧美a在线播放| 中文字幕精品一区二区三区精品| 粉嫩欧美一区二区三区高清影视| 国产精品网站在线播放| 91亚洲国产成人精品一区二区三| 一二三区精品视频| 欧美一级精品在线| 国产91丝袜在线播放0| 亚洲免费成人av| 欧美久久一二三四区| 国内精品写真在线观看| 亚洲国产精品ⅴa在线观看| 在线免费观看不卡av| 日韩国产精品久久| 国产亚洲精品aa午夜观看| 91香蕉视频污| 日韩福利电影在线观看| 欧美国产日韩a欧美在线观看| 色8久久精品久久久久久蜜 | 国产欧美一区二区精品婷婷| 91在线视频播放地址| 五月天婷婷综合| 国产亚洲短视频| 色域天天综合网| 极品瑜伽女神91| 亚洲精品综合在线| 精品久久久久久久久久久久久久久久久| 丰满亚洲少妇av| 日日夜夜一区二区| 日本一区二区三级电影在线观看| 在线精品亚洲一区二区不卡| 狠狠色狠狠色综合| 亚洲一区二区三区在线| 国产亚洲精品久| 欧美日本国产视频| www.欧美.com| 男人的天堂亚洲一区| 亚洲乱码中文字幕综合| 精品久久久影院| 精品视频1区2区| 成人白浆超碰人人人人| 免费看黄色91| 夜夜揉揉日日人人青青一国产精品| 精品久久国产97色综合| 欧美日韩一区中文字幕| 成人免费视频一区| 美日韩一区二区三区| 一区二区高清视频在线观看| 亚洲国产精品精华液ab| 91麻豆精品国产91久久久久| bt欧美亚洲午夜电影天堂| 久久99精品久久久久婷婷| 亚洲一区二区成人在线观看| 国产欧美精品一区aⅴ影院 | 亚洲综合在线五月| 国产农村妇女毛片精品久久麻豆| 欧美裸体bbwbbwbbw| 91丝袜国产在线播放| 国产又粗又猛又爽又黄91精品| 亚洲国产一区二区在线播放| 中文字幕在线一区| 337p粉嫩大胆色噜噜噜噜亚洲| 欧美精品在线观看播放| 色婷婷久久久综合中文字幕| 成人性色生活片| 精品午夜久久福利影院| 日本特黄久久久高潮| 一区二区三区免费在线观看| 国产精品久久久久天堂| 26uuu久久综合| 欧美成人在线直播| 欧美一区二区播放| 欧美日韩另类一区| 色八戒一区二区三区| 99久久夜色精品国产网站| 国产成人一区二区精品非洲| 麻豆视频观看网址久久| 五月天亚洲精品| 亚洲国产视频直播| 一区二区三区在线视频免费| 成人免费在线视频观看| 国产精品久久三| 国产欧美一区二区三区鸳鸯浴 | 久久99国产精品尤物| 日韩**一区毛片| 日日夜夜免费精品| 午夜欧美电影在线观看| 亚洲国产日韩精品| 亚洲一区二区三区在线看| 一片黄亚洲嫩模| 亚洲精品成人精品456| 综合久久一区二区三区| 综合激情成人伊人| 亚洲视频在线观看一区| 亚洲女人****多毛耸耸8| 亚洲欧美日韩一区| 亚洲日本在线看| 一区二区三区欧美日韩| 亚洲一区在线电影| 亚洲成人一二三| 午夜精品久久久久久久99水蜜桃| 香蕉久久一区二区不卡无毒影院 | 亚洲一区中文日韩| 亚洲高清免费观看高清完整版在线观看 | 国内成人免费视频| 国产综合色在线| 国产精品一区在线观看你懂的| 国产精品一区专区| 成人美女视频在线观看18| 成人av电影在线观看| 91在线高清观看| 在线影院国内精品| 欧美精品免费视频| 精品噜噜噜噜久久久久久久久试看| 精品99999| 国产精品私房写真福利视频| 国产精品卡一卡二卡三| 亚洲欧美日韩一区二区| 亚洲成a人v欧美综合天堂| 日韩av电影天堂| 国产乱码一区二区三区| aaa欧美色吧激情视频| 91久久香蕉国产日韩欧美9色| 欧美猛男男办公室激情| 日韩你懂的电影在线观看| 久久在线免费观看| 日韩毛片在线免费观看| 午夜精品aaa| 久久不见久久见免费视频7| 国产真实精品久久二三区| 99久久精品国产观看| 欧美三级日韩三级| 日韩精品在线看片z| 中文字幕乱码久久午夜不卡| 一区二区三区四区视频精品免费| 日日摸夜夜添夜夜添亚洲女人| 精品一区二区三区在线视频| 国产99久久久国产精品免费看| 色av一区二区| 日韩精品在线看片z| 国产精品成人一区二区三区夜夜夜| 一卡二卡欧美日韩| 精品在线观看免费| 99精品视频免费在线观看| 欧美日韩高清影院| 久久蜜桃av一区二区天堂| 亚洲免费在线观看视频| 蜜臀va亚洲va欧美va天堂| 高清国产午夜精品久久久久久| 欧美性色黄大片| 久久久久久97三级| 亚洲综合丁香婷婷六月香| 久久99热99| 色综合天天综合网天天狠天天| 91麻豆精品国产91久久久使用方法 | 久久精品国产一区二区| 成人av在线资源网| 欧美精品色综合| 国产精品视频一二三| 婷婷综合在线观看| 国产+成+人+亚洲欧洲自线| 欧美日韩免费电影| 中文在线一区二区| 日韩电影在线免费| 91视视频在线观看入口直接观看www| 欧美一级二级在线观看| 亚洲色图制服诱惑| 国内不卡的二区三区中文字幕| 欧美午夜精品理论片a级按摩| 久久在线观看免费| 亚洲高清在线视频| 成人激情小说乱人伦| 欧美一区二区视频在线观看| 亚洲免费观看视频| 国产麻豆成人精品| 欧美卡1卡2卡| 亚洲欧美日韩在线不卡| 国产乱码一区二区三区| 欧美精品丝袜久久久中文字幕| 日韩美女视频19| 国产精品亚洲午夜一区二区三区 | 日韩写真欧美这视频| 亚洲精品一二三区| 国产福利精品一区二区| 日韩色视频在线观看| 亚洲韩国精品一区| 99久久精品国产精品久久| 久久久久久夜精品精品免费| 日韩av一级电影| 在线观看欧美日本| 国产精品久久久久影院亚瑟| 国产在线看一区| 在线综合视频播放| 亚洲成人在线网站| 日本韩国欧美一区二区三区| 中文字幕精品一区二区精品绿巨人 | 91福利在线观看| 国产精品美女久久久久久久网站| 精品一区二区三区在线播放视频|