有什么样的技巧能优化ADSL上网速度？

保存下面注册表信息为.reg文件:不要忘了先备份注册表。
REGEDIT4

[HKEY_LOCAL_MACHINE/SYSTEM/ControlSet001/Services/Tcpip/Parameters]
"NV Hostname"="yourcomputername"
"NameServer"=""
"ForwardBroadcasts"=dword:00000000
"IPEnableRouter"=dword:00000000
"Domain"=""
"Hostname"="yourcomputername"
"SearchList"=""
"UseDomainNameDevolution"=dword:00000001
"EnableICMPRedirect"=dword:00000001
"DeadGWDetectDefault"=dword:00000001
"DontAddDefaultGatewayDefault"=dword:00000000
"EnableSecurityFilters"=dword:00000000
"AllowUnqualifiedQuery"=dword:00000000
"PrioritizeRecordData"=dword:00000001
"TcpMaxDupAcks"=dword:00000002
"SackOpts"=dword:00000001
"TcpWindowSize"="262592"
"Tcp1323Opts"=dword:00000001
"DefaultTTL"=dword:00000040
"EnablePMTUBHDetect"=dword:00000000
"EnablePMTUDiscovery"=dword:00000001
"GlobalMaxTcpWindowSize"="262592"
[HKEY_CURRENT_USER/Software/Microsoft/Windows/CurrentVersion/Internet Settings]
"MaxConnectionsPer1_0Server"=dword:00000020
"MaxConnectionsPerServer"=dword:00000020
[HKEY_LOCAL_MACHINE/SYSTEM/ControlSet001/Services/Tcpip/ServiceProvider]
"DnsPriority"=hex:01,00,00,00
"HostsPriority"=hex:01,00,00,00
"LocalPriority"=hex:01,00,00,00
"NetbtPriority"=hex:01,00,00,00