????? ??????

Select the product you need help with

???? ??? ?????? ??? ??? ???????? ??? ???? TCP ???????? ?????? ????? ????? ??????? ???? ????? Windows

???? ???????: 823764 - ??? ???????? ???? ????? ????? ??? ???????.

???? ????? ????? ??????? ?????? ?????? ???????

??? ??? ???? ?????? ???? ?? ??????? ???? ??? ????

????? ???? | ?? ????

??? ????? ??? ????? ???? ?????? ????? ????? ??????? ???? ????? Windows? ?? ????? ??? ?????? ??? ??? ???????? ??? ???? TCP.

??? ??? ?????? ????? ???? ???? ????? ?? ????? ???? ????? ??? Microsoft Network Monitor? ???? ?????? TCP ??? ??? ????? TCP ACK ???? TCP ?? ??? ?????? TCP ?? ??? ??? ????? ???? (???? ???? ?????? ACK ????). ???? ???????? ?????? ????? Windows? ???? ???? ??? ????? 200 ???? ????? (ms). ???? ?????? ??????? ?????? 64 ???? ???? ?? ???????? ??????? ??????? ??????:

Client->Server 1460 bytes
Client->Server 1460 bytes
Server->Client ACK
Client->Server 1460 bytes
Client->Server 1460 bytes
Server->Client ACK
....
Client->Server 1460 bytes
Client->Server 1460 bytes
Server->Client ACK-PUSH
Client->Server 1296 bytes
-> delayed ACK 200 ms

???? ??? ?????? | ????? ???????

?????

???? ??? ??????? ???? ???? ????????? ????? ????? ??????? ???? ????? Windows ? Afd.sys. ???? ??? ??????? ??? ????? ???? ?????? ???????:

?????? ???????? ???? ????? Windows ???? ????? ??? ????.
????? ????? ??????? ?? ??????? ??????? ????? ?????? ?????? ????? ???? ??????? ??????? ???.

??? ???? ??????? ?????? ???????? ???? ????? Windows setsockopt ???? ?????? ???? ??????? ????????? ????? ?????? ?????? ??? 32 ???? ???? ????? ???? ??????? ?????? ?? ????? ?????:
setsockopt( sock, SOL_SOCKET, 32768, (char *) &val, sizeof( int ) );
??????? ????? ???? ???????? ?????? ????????? ???? ?????? ????? ??????? ?? ??????? ????? 64 ???? ???? ?? ???????? ????? ?? ?????? ??????:
send(socket, pWrBuffer, 65536, 0);
?? ??? ?????????? ?? ??? ?????? ??????? ????? ??????? ?? 64 ???? ???? ?? ????????? ?????? ?????? SOCKET_ERROR ??? ????? ??? ??? ??? ????? ?????? ?????? 32 ???????? ???? ??????? ??????? ?????. ??? ??? ???????? ?????????????? ????? ????? ???????? ???????????? ??? ?????. ?????? ???? ????? Windows Sockets ??? ???? ?????? ?? ???? ???? ???????. ?? ??? ?????????? ??? ?? ???? ???? ???? ??????? ????? ??????? ??? ????? ?????? ???? TCP ACK ???????. ???? ??????? ?? ???? Windows? ?? ?????? ??? ????? 200 ms ???? ???????? ????? ????.
?????? ?????? TCP ???? ???? ??? TCP ??? ?? ???? ?????? ?????? ???? TCP ?????? ?? ????? ???? ?????.

???? ??? ?????? | ????? ???????

???? ??????

?????? ??? ??? ???????? ?????? ?? ?? ????? ???????.

??????? 1: ??????? ???? ??????? ????

???? ??? ??????? ??? ?? ???? ????? ??? ????. ??? ??????? ???? ????? ???? ?? ???? ??? ??????? ??? ?????? Afd.sys ?????? ?????? ???? ????? ?????. ????? ?? ????????? ??? ???? ????? ??? ???? ???? ???????? ???? ????? Microsoft Platform SDK.

??????? 2: ????? ??? ?????? ?????? ????? ???? ????? ???? ?? ??? ?????? ?????? ????? ????????

?????? ?????? ?????? ????? ???? ??????? ???????? ?????? getsockopt ???? ????? Windows ?????? ?????? ???? ????? ????? ??? ?????? ?????? (SO_SNDBUF) ?? ?????? setsockopt ????? ???? ?????? ???? ??????? ??? ?????? ??????. ????? ????? ?? ???? ??? ?? ???? ???? SO_SNDBUF ???? ???? ??? ????? ???? ?? ??? ?????? ?????? ????? ????????.

????? ??????? ????? ?? ??????? WSASend ????? ???? ??? ???? ?? ?????? SO_SNDBUF ??? ????? 1 ????. ?? ?????? ?????? ?? ??? "?????" ?? ??? ???????? ????? ????? ??????? setsockopt ?????? ????????

setsockopt( sock, SOL_SOCKET, 65537, (char *) &val, sizeof( int ) );

?? ????? ????? ??????? ????? ?????? ???????:

send(socket, pWrBuffer, 32767, 0);

????? ???? ??????? ?? ?????? ?? ??? ?????.

??????? ???????: ????? ??????? TCP/IP ??? ?????? TCP

??? ??? ?????? ?? ????? ?? ???? ????? ??? ??????? ???? ???? ????? ????? ???????. ??? ???? ?? ???? ?????? ????? ??? ??? ?????? ????? ???? ??? ????. ????? ???? ?? ????? ??? ??????? ??????. ??????? ????????? ?? ???? ???? ???????? ?? ????? ??? ??????. ??? ???? ????? ??????? ????? ?? ???? ???? ?????. ????? ?? ????????? ??? ????? ??? ???? ???????? ?? ????? ?????????? ???? ??? ??? ??????? ?????? ?????? ?? "????? ??????? ? Microsoft":

322756

(http://support.microsoft.com/kb/322756/ )

????? ??? ???? ???????? ?? ????? ????????? ?? ???? ??????? Windows

????? ??????? TCP/IP ??? ?????? TCP ?????? ??? TCP ??????? ????. ???? ??? ???? ???? ???? ?? ???? ???? ????? ??? ????? ???? ????? ?????? ???? ?? ????? ????? ???? ????????. ??????? ??????????? ??? ??? ????? ???? TCP ?????? ??? ???? ????? ??? Windows? ??? ????? ??????? ?????? ??????. ?????? ??????? ??????? ???? ????? ???? ??????? ?????? ??? ??????? ??? ????? ????? ???? ??? ????? ????? ????.

??? ???? ???? ?????? Windows 2000? ???? ??????? ???????:

??? ????? ???? ??????? (Regedit.exe).
??? ???? ?? ?? ???? ??? ????? ??????? ?????? ??????:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\<Interface GUID>
??? ????? ???????? ???? ??? ????? ????? ?? ?? ?????? ???? ??????? ???????:

??? ??????: ????????????
??? ????????: REG_DWORD
?????? ??????: 0
?? ?????? "???? ???????".
????? ????? Windows ???? ??????? ???? ???????.

??? ???? ???? ?????? ???? ??????? Windows XP ?? Windows Server 2003? ???? ??????? ???????:

??? ????? "???? ???????".
??? ???? ?? ?? ???? ??? ????? ??????? ?????? ??????:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\<Interface GUID>
??? ????? ? ??? ??? ????? ?? ???? ??? ???? DWORD.
??? ?????? ??????? ??????????????? ?????? ???? 1.
?? ?????? "???? ???????".
????? ????? Windows ???? ??????? ???? ???????.

??????? 4: ????? ???? ??????? ?????? ?? Afd.sys ???? ????? ??? ????

322756

(http://support.microsoft.com/kb/322756/ )

????? ??? ???? ???????? ?? ????? ????????? ?? ???? ??????? Windows

?????? ????? ????? ??????? ??? ??? ?? Windows Server 2003 ?????? ????? ?????? service Pack 1 ???? ??????? ???????.

???? ??? ??? ?????? ??? regedit.exe? ?? ???? ??? ?????.
??? ???? ?? ?? ???? ??? ????? ??????? ?????? ??????:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AFD\Parameters
??? ????? ? ??? ??? ????? ?? ???? ??? ???? DWORD.
??? ?????? ??????? ?????????????????????????????? ?????? ???? 1.
????? "???? ???????".
????? ????? Windows ???? ??????? ???? ???????.

???? ??? ?????? | ????? ???????

?????

???? Microsoft ?? ??? ?? ????? ?? ?????? Microsoft ??????? ?? ??? "????? ???".

???? ??? ?????? | ????? ???????

?????

328890

(http://support.microsoft.com/kb/328890/ )

????? ????? ?????? ?????? ?? ???? TCP ????? (ACK) ?? ???? ??????? Windows XP ? Windows Server 2003

???? ??? ?????? | ????? ???????

???????

???? ???????: 823764 - ????? ??? ??????: 23/????�??????/1434 - ??????: 1.0

????? ???

Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
Microsoft Windows Server 2003, Standard Edition (32-bit x86)
Microsoft Windows Server 2003, Web Edition
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional Edition
Microsoft Windows 2000 Server
Windows Server 2008 Datacenter without Hyper-V
Windows Server 2008 Enterprise without Hyper-V
Windows Server 2008 for Itanium-Based Systems
Windows Server 2008 Standard without Hyper-V
Windows Server 2008 Datacenter
Windows Server 2008 Enterprise
Windows Server 2008 Standard
Windows Web Server 2008
Windows Server 2008 R2 Standard
Windows Server 2008 R2 Enterprise
Windows Server 2008 R2 Datacenter
Windows Server 2012 Datacenter
Windows Server 2012 Standard
Windows 8 Enterprise
Windows 8 Pro
Windows 7 Professional
Windows 7 Enterprise
Windows 7 Home Basic
Windows 7 Home Premium

kbprb kbmt KB823764 KbMtar

????? ????

???: ??? ????? ??? ?????? ???????? ?????? ????? ???? ????? ?????????? ????? ?? ????????? ?????? ????. ???? ???? ?????????? ???? ?? ???????? ???????? ?????? ????????? ????? ????????? ???????? ????? ???????? ?????? ?? ?????? ??? ?? ???????? ???????? ?? ????? ??????? ?????? ??? ??????? ?????? ??. ?????? ?? ???? ??? ??????? ???????? ????? ?? ???? ????? ?????? ??? ????? ??? ????? ??????? ?? ????? ?? ?????? ??? ??? ??????? ??????? ?? ????? ????? ????? ????? ?????. ?? ????? ???? ?????????? ??????? ??? ????? ?? ??????? ?? ????? ?????? ?? ??? ????? ?? ????? ??????? ?? ???????? ?? ??? ???????. ???? ???? ?????????? ???????? ??? ????? ?????? ??????? ??????

???? ??? ????? ??????? ?????? ??????????823764

(http://support.microsoft.com/kb/823764/en-us/ )

???? ??? ?????? | ????? ???????