请求翻译一下,很多地方看不懂啊!!!

Afive-dayInternetshutdowninEgyptfailedtostoptheproteststhatforcedPresidentHosniMubara... 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.
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为期五天的网络;在埃及的抗议未能阻止迫使总统穆巴拉克辞职。但它提出了一个技术问题。多是埃及官员能够关闭的互联网服务在他们的国家吗?
克雷格Labovitz是首席科学家乔木网络,互联网安全公司在美国密西根州,。先生Labovitz说因特网不是作为不可摧毁的人们的想象。他说有共同点,而流动的计算机交通可受限制。
克雷格LABOVITZ:"从技术的立场,大众的想象力是互联网的网络活,不可能的核战争停了下来,就是一切,到处都可以。但工程的真实性都是更多的平淡无奇。在许多国家有几个天然瓶颈,无论是大的数据中心或right-of-ways。”
先生Labovitz说他的研究人员追踪互联网关闭在埃及被执行。他解释道,在埃及,互联网用户连接到外面的世界通过少量的机构提供国际链路。
克雷格LABOVITZ:“虽然有100或以上的供应商,在中国国内供应商——真的只有四个提供商保持外部链接到外部世界。还有一个甚至更小的数据中心的数量在光纤交叉埃及。所以你真的只需要关闭一些机器有这方面的破坏。”
新闻报道,光纤的链接,网络都住同一幢楼里。 也可能是类似的互联网关机发生在美国吗?克雷格Labovitz称这是更少的可能性,因为更多的因特网服务提供商和数据中心。 然而,最近的;在埃及提出了新的担心一个建议美国国会。批评者说,这个立法可能将做同样的动作可能在美国。
这项措施称为保护网络空间作为一个国家资产的行为。康乃狄克州参议员约瑟夫·利伯曼去年6月第一次提出该法案。支持者认为它将有助于保护国家的经济和国家安全的网络攻击。这会给总统电源紧急关闭或抓住部分国家的互联网如果主要的威胁了。 评论家们认为这一法案给总统权力太大了。有些人称之为“杀开关比尔”——一个容易的方法关闭互联网。他们说政府可以用它来监视网络和控制信息的流动。
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