Lee youser wrote:
> Hi, All:
> 
> I beg for your helps, my trouble as follow:
> 
> Background:
> Use UDP socket to implement an C/S module, Client send messages and Server
> receive these messages and print them.Client run
> 
> on Linux(RHEL 5.1) and Server run on Windows(XP).Thetwo computers are in
> LAN.
> 
> Problem:
> When client send a message,the server will receive this message after 4-5
> seconds passed.It is a terrible delay!

Try putting this at the top of your windows code:

Socket.do_not_reverse_lookup = true

If that helps, then the problem has something to do with delay in DNS 
lookup, converting numerical to symbolic addresses.

Just a guess :)

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407