Does Servlets support downloading resuming

Hi Everyone,
In my project, I am using servlets for downloading .exe files from an application. Here I am using servlets to open the required file and stream its contents to the response object.
Now, I want to give my users the ease of downloading big files of 91 MB in parts. Since one cannot downloading such a big file in ine shot as there may be network failures etc.,. I have installed download manager in my machine. But I can download only a part of the software. I am not able to resume from the part where I stopped last session.
Can any one suggest how can we write servlets to support download resuming.

Errata: the servlet has to set the "Content-Range" field, whereas the client seems to use "Range" and (maybe) "If-Range". See the following for definitions and examples:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html

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