On 09/29/2010 09:12 PM, Jon Elson wrote: > Igor Chudov wrote: > >> Things may have somewhat improved. >> >> I checked on my unsophisticated home network. Ping time (roundtrip), >> involving three switches (one in my basement office, then the main >> switch at the main interconnect in the utility room, then the switch >> in the family room), and two linux boxes, is 0.21-0.34 milliseconds. >> >> > My understanding of ping is that it does NOT report the total round trip > time through > all nodes and switches, just the last hop. I think you need traceroute > to see the delay > at each hop. Still, 300 uS is not such a great time if you need 3 > messages to propagate > within one millisecond. > > Jon Jon,
True, but I would hope in our environment we are only one-hopping the signal between the computer and the machine/controller. Mark ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users