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Directory Based Cost Control Feature NetGate measured bandwidth (MB) based Hosting services offer you the ability to control your costs by limiting the rate of data transfer in and out of a specific directory. This feature is particularly useful in the case where a site has a binary distributions directory. Binary distributions, programs, movies, etc. tend to consume large amounts of bandwidth, especially if you have customers using high speed broadband or corporate networks to access your site. Using the directory based cost control feature you can set up a rate limit on your binary distributions directory, limiting the bandwidth rate for content downloaded from that directory, while at the same time offering the rest of your site maximum performance. Users of your site will experience a fixed rate (determined by you) download speed for the rate limited directory while the rest of your content is delivered at maximum speeds. For example, if you wanted to ensure that your binary distributions directory was not allowed to use more than 30 Kbps of bandwidth you could set up a rate limit on that directory of 30 Kbps. If the average file in that directory was 1 MB in size it would take users about 4 minutes to download the file. And, since downloads can be put in the background the perceived speed of the download will usually be acceptable to your customers. Below you'll see an example of graphs we provide that allow you to monitor your directory based bandwidth usage. We provide you with daily, weekly, monthly, and yearly views of your bandwidth usage as it relates to the directory. The example below show how we helped a customer control their costs using directory based cost controls. The Problem: The customer offers a free demo version of their software which resulted in bandwidth charges of hundreds of dollars per month. The directory structure for the site looked like this:
The demo software was stored in the "download" directory while the content for the rest of the site was stored in the "www", "images", and "html" directories. Solution: We provided the customer with a rate limited download directory allowing them to control the costs associated with the delivery of the demo software. We set up a rate limit on the "download" directory at 30 Kbps, allowing the customer to offer the software to their users at an acceptable download rate while at the same time ensuring that over-all bandwidth usage for the directory did not exceed 30 Kbps in measured bandwidth. By rate limiting only the download directory the rest of the site content, primarily product sales and support pages using very little bandwidth, was allowed to load at maximum performance. Using this solution costs for additional bandwidth dropped from several hundred dollars a month to zero. The statistics were last updated Monday, 11 March 2002 at 11:30 `Daily' Graph (5 Minute Average)
Max In: 0.0 b/s Average In:
0.0 b/s Current In: 0.0 b/s `Weekly' Graph (30 Minute Average)
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0.0 b/s Current In: 0.0 b/s `Monthly' Graph (2 Hour Average)
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0.0 b/s Current In: 0.0 b/s `Yearly' Graph (1 Day Average)
Max In: 0.0 b/s Average In:
0.0 b/s Current In: 0.0 b/s Dark Green ### Incoming Traffic in Bits per Second |
