/[drupal]/contributions/modules/cdn/README.txt
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revision 1.19, Wed Jul 1 11:35:31 2009 UTC revision 1.20, Fri Nov 6 11:53:30 2009 UTC
# Line 14  domain name. The CDN will then automatic Line 14  domain name. The CDN will then automatic
14  server (the origin).  server (the origin).
15    
16  In advanced mode, you must install and configure the daemon I wrote as part of  In advanced mode, you must install and configure the daemon I wrote as part of
17  my bachelor thesis. This allows for much more advanced setups: files can be  my bachelor thesis: File Conveyor [1]. This allows for much more advanced
18  processed before they are synced and your CDN doesn't *have* to support  setups: files can be processed before they are synced and your CDN doesn't
19  Origin Pull, any push method is fine. Push always uses transfer protocols,  *have* to support Origin Pull, any push method is fine. Push always uses
20  either well-established ones (e.g. FTP) or custom ones (e.g. Amazon S3). It is  transfer protocols, either well-established ones (e.g. FTP) or custom ones
21  thanks to this abstraction layer that it can be used for *any* CDN, thereby  (e.g. Amazon S3 and Mosso CloudFiles). It is thanks to this abstraction layer
22  avoiding vendor lock-in.  that it can be used for *any* CDN, thereby avoiding vendor lock-in.
23    - File Conveyor includes "transporters" for FTP, Amazon S3, Amazon CloudFront
24      and Mosso CloudFiles.
25    - File Conveyor also allows for any kind of automatic file processing. It
26      includes "processors" for: image optimization (using a combination of
27      ImageMagick, pngcrush, jpegtran and gifsicle), CSS minification (YUI
28      Compressor), JS minification (YUI Compressor and/or Google Closure
29      Compiler), and so on. It's also very easy to add your own processors.
30    
31    Note:
32    "Origin Pull" means the CDN pulls files from the origin server (i.e. the
33    Drupal web server). That's where its name comes from. Amazon S3, CloudFiles
34    and CacheFly are all examples of Push CDNs. The first two have custom
35    protocols, the latter uses FTP. These don't automatically pull files from your
36    server (the origin server), but you have to push the files manually (or using
37    a script of some sort, or my daemon) to the CDN. Other CDNs, such as
38    SimpleCDN, offer both pull- and push-functionality.
39    
40  This module was written as part of the bachelor thesis [1] of Wim Leers at  This module was written as part of the bachelor thesis [1] of Wim Leers at
41  Hasselt University [3].  Hasselt University [3].
42    
43  [1] http://wimleers.com/tags/bachelor-thesis  [1] http://fileconveyor.org/
44  [2] http://uhasselt.be/  [2] http://wimleers.com/tags/bachelor-thesis
45    [3] http://uhasselt.be/
46    
47    
48  Supported CDNs  Supported CDNs
# Line 33  Supported CDNs Line 50  Supported CDNs
50  - Basic mode: any Origin Pull CDN.  - Basic mode: any Origin Pull CDN.
51  - Advanced mode: any Origin Pull CDN and any push CDN that supports FTP.  - Advanced mode: any Origin Pull CDN and any push CDN that supports FTP.
52    Support for other transfer protocols is welcomed and encouraged: your    Support for other transfer protocols is welcomed and encouraged: your
53    patches are welcome! Amazon S3 and Amazon CloudFront are also supported.    patches are welcome! Amazon S3, Amazon CloudFront and Mosso CloudFiles are
54      also supported.
55    
56    
57  Installation  Installation
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