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虚拟主机介绍
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Internet 中的 虚拟主机提供商


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-03-01   浏览: 717 ::
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If you want your web site to be visible to the world,  you have to store it on a web server.
如果你想让全世界都看到你的网站,你必须把它储存在一个网络服务器上。

Most small businesses and companies store their web site on a server provided by an Internet Service Provider (ISP).
大多数小型商业机构和公司都把他们的网站放在由Internet Service Provider (ISP)(英特网服务提供商)提供的服务器上。


Hosting Your Own Web
把你自己的网页放在虚拟主机上

Hosting your web site on your own server is always an option. Here are some problems to consider:
在你自己的服务器上使用虚拟主机放置网页是一种常见选择。这样做要考虑的问题是;

Hardware Expenses
硬件花费

To run a "real" web site, you will have to buy some powerful server hardware. Don't expect that a low cost PC will do the job. You will also need a permanent (24 hours a day ) high speed connection to your office, and such connections are expensive.
要运行一个真实的网站,你得买些强大的服务器硬件。别指望价格低廉的PC能胜任这项工作。你还需要让它与你办公室的持久(一天24小时)高速连接,这些连接都很贵。

Software Expenses
软件花费

Don't forget to count the extra cost for software licenses. Remember that server licenses often are much higher than client licenses. Also note that some server software licenses might have limits on number of concurrent users.
别忘了软件许可证还要花钱呢。要记住服务器的许可证要比用户端的许可证要贵得多。还要注意服务器软件许可证也许对同时用户的数量有所限制。

Labor Expenses
劳力花费

Don't expect low labor expenses. Remember that you have to install your own hardware and software. You also have to deal with bugs and viruses, and keep your server constantly running in an environment where "everything could happen".
别指望会有很低的劳力花费。要知道你得自己安装硬件和软件呢。况且你还要对付病毒之类,还要让你的服务器在一个“任何事都可能发生”的环境中保持持续运行。


Using an Internet Service Provider
使用ISP提供的服务器

Renting a server from an Internet Service Provider (ISP) is a common option. Here are some advantages:
向Internet Service Provider (ISP)租一个服务器是常见的选择。下面是它的优点:

Connection Speed
连接速度

Most providers have very fast connections to the Internet, like full T3 fiber-optic 45Mps connections equivalent to about 2000 traditional (28K) modems or 1000 high speed (56K) modems.
大多数提供的服务器可以快速地和英特网连接,像完整的T3 fiber-optic 45Mps连接器相当于2000个普通的(28K)的调制解调器或1000个高速的(56K)调制解调器。

Powerful Hardware
强大的硬件

Service providers often have many powerful web servers that can be shared by several companies. You can also expect them to have an effective load balancing, and necessary backup servers.
服务提供商经常有很多可以被几个公司共享的强大的服务器。你也可以期待他们提供有效的下载平衡以及必要的后备服务器。

Security and Stability
安全性和稳定性

Internet Service Providers are specialists on web hosting. Expect their servers to have more than 99% up time, the latest software patches, and the best virus protection.
ISP是关于虚拟主机的专家。他们会提供超过99%的up time,最新的软件补丁,和最好的病毒保护。


Things to Consider
要考虑的事情

24-hour support
24小时支持

Make sure your Internet service provider offers 24-hours support. Don't put yourself in a situation where you cannot fix critical problems without having to wait until the next working day. Toll-free phone could be vital if you don't want to pay for long distance calls.
确保你的ISP提供24小时的支持。如果不能及时解决危机问题,而只能干等到下个工作日才是非常可怕的情形,你可得千万注意避免这种情况的发生。如果你不想付长途话费,那么免费电话(Toll-free phone)是很重要的。

Daily Backup
每日备份

Make sure your service provider runs a secure daily backup routine, otherwise you may lose some valuable data.
确保你的服务提供商运行有安全日常后备路径,否则你也许会丢失一些有价值的数据。

Traffic Volume
通信容量

Study the provider's traffic volume restrictions. Make sure that you don't have to pay a fortune for unexpected high traffic if your web site becomes popular.
研究一下提供商的通信容量约束。确保一旦你的网站流行起来后,你不用付大量的或预想不到的高通信费用。

Bandwidth or Content Restrictions
宽带或内容约束

Study the provider's bandwidth and content restrictions. If you plan to publish pictures or broadcast video or sound, make sure that you can.
研究一下提供商的宽带和内容约束。如果你想要发布图片、广播视频或音频,请确定你可以做到这些。

Email Capabilities
邮件容量

Make sure your provider fully supports the email capabilities you need. (You can read more about email capabilities in a later chapter)
确保提供给你的服务器完全支持你所需要的电子邮件容量。(在后面章节里你可以阅读更多关于电子邮件容量的内容)

Front Page Extensions
Front Page扩展名

Make sure your provider fully supports FrontPage server extensions if you plan to use FrontPage to develop your site.
如果你想使用Front Page来开发网站,请确保提供给你的服务器完全支持FrontPage服务器扩展名。

Database Access
数据库访问

Make sure your provider fully supports the database access you need if you plan to use databases from your site. (You can read more about database access in a later chapter)
确保提供给你的服务器完全支持你所需要的数据库访问,如果你打算使用网站的数据库的话(在后面章节里你可以阅读更多关于数据库访问的内容)

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