On Mar 3 22:07, Warren Young wrote: > On 3/3/2014 18:36, Andrey Repin wrote: > >Once TCP session is established, it remains, > >until closed or dropped on either end of the wire. > > Have you done the packet capture to prove that Windows does in fact > keep the LDAP connection to the AD server up continually, or are you > making an assumption? > > >Amount of packets doesn't matter > > Even if the connection stays up all the time, an LDAP lookup is > almost certain to take more than one packet each way. > > Packet round trip time (RTT) varies by orders of magnitude among > networks, from sub-ms on a fast, quiet LAN to on the order of a full > second for a slow WAN. > > Since the number of packets is a function of the number of round > trips, a network with an RTT of 0.9s will take more than the > proposed 3 seconds to process a query that requires 4 round trips, > even if the processing delay on either end is essentially 0. > > You have to measure it to find out. > > And yes, I have personally used networks with an RTT > 1.0s.
I was inclined to go with Andrey's suggestion for simplicity. What's yours? Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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