I have a Delphi 2006 app that gathers data and displays it as a summary of many channels, one channel per row on a TDrawGrid. I have the same app running on various other PCs on the network, but these other PC's are slaves - they don't gather data but merely provide a remote display of the summary.
At present, the slaves just show a mimic of the summary display screen on the master, and this is implemented via broadcasts by way of mailslots from the master.
I want to implement this in a different way, to reduce the load on the master, and provide the slaves with a bit more flexibility and independence on how they interpret the data. Also, I am having issues with mailslot broadcast of the data across subnets.
Can I use some shared memory scheme to lay the data down to a memory-mapped file where the slaves can have access from anywhere (over the web, even)? We are talking about a memory size of 100k bytes max, say, updated by the master at around once per second, probably in a thread, to keep the master foreground task responsive.