Example source code for programms doing Upload/Download big files
Dot.Net CS
http://www.codeproject.com/KB/cpp/DimeBufferedUpload.aspx?msg=3107047 dot.net 1.1
http://www.codeproject.com/KB/XML/MTOMWebServices.aspx dot.net 2.0
Google Gears
http://code.google.com/p/google-ajax-examples/source/checkout
http://google-ajax-examples.googlecode.com/svn/trunk/uploadmovietool/
Techsmith: JING and desktopuploader
http://www.screencast.com/help/tutorial.aspx?id=286
http://almaer.com/blog/gears-future-apis-resumable-uploads-via-putpost
http://ajaxian.com/by/topic/gears