CDN is a short form of Content Delivery Network and it is basically a network of a system of servers that can serve the files easily from the nearest physical location. This system has become pretty much popular these days as it has immensely cut down on the time of uploading the required web information. All the popular sites such as Google, Yahoo, Amazon, and so on use CDN for improving the performance of their websites and making them work more efficiently and quickly.

However, now Google has made it possible for even you to make use of CDN through Google App Engine. It is a service offered by Google at free of cost and you also have no need to know the coding and other technical stuff. This service can be used by first of all downloading the Google App Engine Software Development Kit and secondly Python 2.5. There is no need for you to write any Python code but it is necessary to have it as the App Engine SDK will require it. In fact, the App itself installs Python 2.5 if your computer does not have it.

For making use of CDN, you need to have a Google account too so that you can sign in to App Engine with the same id. After signing in for App Engine it will enable you to create an application and then upload the files.

There are several advantages of App Engine as CDN. The bandwidth of your very own server is not sucked up through the use of App Engine. Hence, this will provide your visitors with unaffected performance of website downloading. CDN also makes it easier for you to check the updated files or batch of files by simply running appcfg.py.

It is generally believed that a good website is the one which can be updated in a single step and App Engine just enables you to do so. Another advantage of App Engine is that it can save all the versions of the updated files in the app.yaml document. Hence any version can be retrieved in case, if the latest version fails to function. Not only this, the App Engine also permits other people to work on a single application but the only pre-condition is that they should have a Google account.

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