iis 中的视频文件在线播放怎么那么慢？

Question

我在本机安装了iss, 有个视频文件目录（mpeg4)。然后我做了个网页，用于在线播放，很慢，感觉像是等待全部下在完毕才播放，而不是在线的请指教。谢谢！
下面是播放控件的代码;
                                              <object classid="clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95" width="400" height="340" class="bord_1" id="mp1">
                                                <param name="AudioStream" value="-1">
                                                <param name="AutoSize" value="-1">
                                                <param name="AutoStart" value="1">
                                                <param name="AnimationAtStart" value="1">
                                                <param name="AllowScan" value="-1">
                                                <param name="AllowChangeDisplaySize" value="-1">
                                                <param name="AutoRewind" value="0">
                                                <param name="Balance" value="0">
                                                <param name="BaseURL" value>
                                                <param name="BufferingTime" value="1">
                                                <param name="CaptioningID" value>
                                                <param name="ClickToPlay" value="-1">
                                                <param name="CursorType" value="0">
                                                <param name="CurrentPosition" value="0">
                                                <param name="CurrentMarker" value="0">
                                                <param name="DefaultFrame" value="0">
                                                <param name="DisplayBackColor" value="0">
                                                <param name="DisplayForeColor" value="16777215">
                                                <param name="DisplayMode" value="0">
                                                <param name="DisplaySize" value="3">
                                                <param name="Enabled" value="-1">
                                                <param name="EnableContextMenu" value="0">
                                                <param name="EnablePositionControls" value="-1">
                                                <param name="EnableFullScreenControls" value="-1">
                                                <param name="EnableTracker" value="-1">
                                                <param name="Filename" value="http://localhost/video1/vz10288.avi" valuetype="ref">
                                                <param name="InvokeURLs" value="-1">
                                                <param name="Language" value="-1">
                                                <param name="Mute" value="0">
                                                <param name="PlayCount" value="1">
                                                <param name="PreviewMode" value="-1">
                                                <param name="Rate" value="1">
                                                <param name="SAMIStyle" value>
                                                <param name="SAMILang" value>
                                                <param name="SAMIFilename" value>
                                                <param name="SelectionStart" value="-1">
                                                <param name="SelectionEnd" value="-1">
                                                <param name="SendOpenStateChangeEvents" value="-1">
                                                <param name="SendWarningEvents" value="-1">
                                                <param name="SendErrorEvents" value="-1">
                                                <param name="SendKeyboardEvents" value="0">
                                                <param name="SendMouseClickEvents" value="0">
                                                <param name="SendMouseMoveEvents" value="0">
                                                <param name="SendPlayStateChangeEvents" value="-1">
                                                <param name="ShowCaptioning" value="0">
                                                <param name="ShowControls" value="-1">
                                                <param name="ShowAudioControls" value="-1">
                                                <param name="ShowDisplay" value="0">
                                                <param name="ShowGotoBar" value="0">
                                                <param name="ShowPositionControls" value="-1">
                                                <param name="ShowStatusBar" value="-1">
                                                <param name="ShowTracker" value="-1">
                                                <param name="TransparentAtStart" value="-1">
                                                <param name="VideoBorderWidth" value="0">
                                                <param name="VideoBorderColor" value="0">
                                                <param name="VideoBorder3D" value="0">
                                                <param name="Volume" value="0">
                                                <param name="WindowlessVideo" value="0">
                                              </object>