Quicktime access speeds

Hello,
I noticed that there is a difference in performance when trying to access a Quicktime video via a DFS path versus a direct server path.
For example
When accessing a video via the path \\domain.com\studio\quicktime\video.mov, it takes 15 seconds before the video starts playing.
When accessing the same video via the path \\server\quicktime\video.mov, it takes 7 seconds.
I have tested with Quicktime Player and Quicktime Pro and both software consistently experience the same discrepancy in speed.
I am looking to see if it is possible to fix this ?
An explanation of why this is happening would be appreciated.
8 seconds may seem like a small amount of time, but our company deals with many videos and it all adds up, especially when dealing with larger videos. It has already taken upwards of 5 minutes. However, access via a direct path has always consistently been quicker.
Also note that other application are able to access other files on the fileserver via the DFS path or the direct path in roughly the same amount of time so this is not a DFS issue. Quicktime is the only application that runs more slowly than the rest.

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