Hello, I am trying to delvelop software (Labview based) That will be installed on students laptops (12-20 max) that will read data continusly (1-10 hz max) from the instructors laptop. I am told that using a text file and have students read continuosly is not a viable option. Any help would be greatly appreiciated. I mostly write simple data aquistion type programs strain gages LVDT's etc as an engineer. I am not a full time programmer so I learn as needed. The data is simple double prescision contantly updated from a simulation. This is going to be a freebie software for schools eventually. Please help... Thanks

Well, you can also use TCP instead of UDP. The TCP networking protocol provides a little more overhead to make sure packets arrive in order, and will be resent if missed. That doesn't necessarily guarantee all data will arrive. Unplug a network cable for a short period of time, and a sent packet will eventually timeout and disappear. But the internet runs on this protocol pretty well, (at least that's what I've been told ) so I'm pretty sure it will work reliably enough for your small network application. If you need further assurances all of your data arrives, then you can serialize each pack of data yourself, put a sequential number in the transmission with the other data. If the receiving program detects a missing serial number, or one out of order, then at least you know at the level of your application and can do something about it. But I seriously doubt your application is so critical that you'd need to worry about implementing this. Just rely on TCP and you'll be fine.

LabVIEW

HELP !! Need real time communications between one Instructor Laptop to 12 -20 student laptops (Wireless network )

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Yes,

I.ve been reading up TCP seems the way to go. Thank you for your help. Not wo write some code.

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LabVIEW

HELP !! Need real time communications between one Instructor Laptop to 12 -20 student laptops (Wireless network )

Re: HELP !! Need real time communications between one Instructor Laptop to 12 -20 student laptops (Wireless network )