tresilience

I am looking for opportunities to realise the following scenario:

I have three screens on my desk, and one of them I want to be a shared workspace with my colleagues. This means, we can easily drag application windows into it and discuss it across the network of Linux users. One common workspace for everyone.

Everyone gets their own cursor in the common workspace and can interact with it without any barriers, as if it were a workspace on their own machine, i.e. kind of what the Douglas Engelbart folks had at SRI.

I am pretty sure that some HN users here have some bright ideas that may help leap towards that vision.

I have trouble understanding what parenscript does and not does.

Am I "out on Mars" in the Lisp world with parenscript or can I also make use of other Common Lisp Code easily like trivia etc? What are people actually doing with parenscript, develop everything themselves from "the ground up"?

Thanks

I read up on the history of Smalltalk and Object Oriented Programming, and one thing I have not quite grasped is the idea of "protection."

I know you can protect methods from being accessed by making them private or protected in certain programming languages but something else must be meant here.

Do you protect objects from being changed? Do you protect them from being "talked to" / responding with valuable returns to unauthorized requests / initial-message-senders? To what purpose?

And how exactly are they being protected, by what mechanism so to speak? (particularly in Smalltalk)

I'm exploring opportunities on how to build extremely resilient systems. I am now thinking about establishing multiple backup communication channels.

I do not know whether there are compact solutions that allow you to fallback to SMS / phone line / radio waves once the internet connection dies for any reason.

Really fascinating to me