robert hölzl birxmbhvdsxkbaltechde hello tried implement simple python xmlrpc service win32 environment clientserver code inserted profiler client told simple function call needs 200ms even run loop time needed per call stays analysing problem etherreal found xmlrpc request transmitted via two tcp packets one containing http header one containting data acknowledge first tcp packet delayed 200ms tried around server side found server reads exactly bytes transfered first tcp frame via socketrecv next socketrecv even reading one byte needs 200 ms read one byte less transfered first tcp frame reading 2 bytes socketrecv2 delay although total amount data read googling found website httpsupportmicrosoftcomscidkb3benus3b823764x12y15 proposed workaround modifing registryentry tcpip driver work modifing clients registry settings option us anybody nows solve problem even problem python socket implementation way testet win2000 sp4 winxp sp2 python 233 python 251 client import xmlrpclib import profile server xmlrpclibserverproxyhttpserver80 profilerunservertest12 server import simplexmlrpcserver def testab return ab server simplexmlrpcserversimplexmlrpcserver 80 serverregister_functiontest serverserve_forever mit freundlichen grüßen best regards robert hölzl baltech ag firmensitz lilienthalstrasse 27 d85399 hallbergmoos registergericht amtsgericht münchen hrb 115215 vorstand jürgen rösch vorsitzender martina schuster aufsichtsratsvorsitzende eva zeising sat 02 aug 2008 131249 0200 pythondev socket recv win32 extremly delayed python bug