什么是 Carrier Neutral Colocation?
What is Carrier Neutral Colocation?什么是不确定性运营商托管？
Carrier Neutral colocation is a type of colocation which bases the colocation center around many internet service providers as opposed to just one or two. This means that the data may travel over any one of a number of internet service providers, ensuring that if any one of them is down or having trouble the data will still get through. This offers many advantages over using a single ISP.
不确定运营商托管是托管的一种，他主张多个ISP服务商建立统一的托管中心，而不是单一的服务器服务。这意味着数据可以通过多个ISP服务商传输，即时其中一个ISP服务商出问题，其他的服务商也会接续他的服务来继续传输数据，不会造成数据的损失和中断。他相比单一ISP，有很多的优势。
The first advantage is obvious: if one ISP goes down, or is having problems, or is otherwise unable to provide service, servers may be switched to another, although of course new fees and contracts will need to be negotiated. Additionally, this means that if a company has an existing contract with an existing internet service provider, all they need to do is bring their existing servers into the facility. The carrier neutral colocation can then simply connect that server into the same network and continue service as-is, in the new location.
Carrier neutral colocation is very important for a company that has an existing relationship with an ISP they are very happy with. Carrier neutral colocation allows for them to continue their existing business contracts without having to negotiate new terms, while still permitting them to keep their own servers. They also gain the benefits of server colocation, which include increased stability and security.
Carrier neutral colocation is also excellent for a company that is not happy with its current ISP and wishes to change carriers. Because the colocation centre is carrier neutral, the customer is free to shop around among carriers and find the one with the best rate. They are not constricted in which service they choose, and they can lock in a good contract with the best server. This, along with the other advantages mentioned above, is why the best colocation centres are carrier neutral.
不确定运营商托管 跟 指定托管的区别：
Carrier Neutral Vs. Carrier Specific Colocation Providers
There are two different models for providing internet service in colocation facilities.
One is carrier neutral and the other is carrier specific. Carrier neutral data centers offer customers more choices and are generally the choice for service in the US and Europe.
Unfortunately, the service is rare and when you do find it, is very expensive. In the carrier neutral model, your server is hosted in a facility that offers many different internet carriers.
Generally, the first step in the process of finding a carrier neutral facility is to choose the carrier that you want to provide your internet connection. Like a real estate broker, colocation brokers will help you find the best service and the best price for you needs. Once you choose a provider, your broker will tell you which data centers are available to host your server and in what areas. From there, you can choose the location or locations that best meet your needs. Depending on the size of your business you may want your servers hosted in different areas throughout the country or all in one general location. Prices vary from provider to provider and the benefit of carrier neutral colocation is that you have the option to shop around for the best price. If a carrier is running a promotion, you'll be able to get in on that promotion and save money on your internet service.
However, on the downside, you'll have to pay more to rent space in the colocation facility than you would with a carrier specific facility.
With the carrier specific model, you don't have a choice which company will provide your internet connection. You chose the facility that you want your server hosted at and then, whatever carrier they have, that's the one you use for your internet connection. The problem with this model is that it doesn't let you shop around for the best price on internet service.
However, you only pay one fee to the colocation facility for both your rack space and your internet service.
Generally, the carrier neutral model is better for the consumer since it encourages competition among the providers and drives prices down.
As the consumer you have a better choice for service as well as lower costs.
整体来讲，不确定性运营商托管 要比指定托管要好一些，因为不确定运营商托管，即时其中一组上游运营商处问题，那么服务器依然可以正常通过其他路由运行，而不是中断。
后者则是直接中断，等待维护后才可以继续使用。
但是相比来讲，不确定运营商托管更难找，同时价格更贵。 20101204更新
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