Re: [fonc] Publish/subscribe vs. send

2012-03-20 Thread Alan Kay
One of the motivations is to handle some kinds of scaling more gracefully. If you think about things from a module's point of view, the fewer details it has to know about resources it needs (and about its environment in general) the better. It can be thought of as a next stage in going from

Re: [fonc] Publish/subscribe vs. send

2012-03-20 Thread Cornelius Toole
Benoit, Have you looked at the DCI(Data, Context and Interaction) architecture stuff from Trygve Reenskaug and James O. Coplien? I don't know if this is the best link for it, but I'm in transition(or should be): http://www.artima.com/articles/dci_vision.html Essentially what gets lost with

Re: [fonc] Publish/subscribe vs. send

2012-03-20 Thread BenoƮt Fleury
Hi Cornelius, thanks a lot for the links, I will look into these. Also, thanks for clarifying the issue I was referring to: Essentially what gets lost with pub-sub and likely any event-based integrative (EBI) architecture is that interactions are no longer explicit and less visible, but

Re: [fonc] O. K. Moore's talking typewriter: where is it now?

2012-03-20 Thread Mohamed Samy
Thanks for answering! I hope my question's phrasing didn't seem too negative (which wasn't my intent at all, even thought I could now see why it could be understood that way), I was genuinely interested in knowing why it isn't as it widespread as it would seem to deserve. Mohamed Samy On Tue,

Re: [fonc] Publish/subscribe vs. send

2012-03-20 Thread Tony Garnock-Jones
On 19 March 2012 18:35, Casey Ransberger casey.obrie...@gmail.com wrote: What motivates? Are we trying to eliminate the overhead of ST-style message passing? Is publish/subscribe easier to understand? Does it lead to simpler artifacts? Looser coupling? Does it simplify matters of concurrency?

Re: [fonc] Publish/subscribe vs. send

2012-03-20 Thread Tony Garnock-Jones
Ah, I forgot to mention, there are efforts underway to build *descriptions* of the various conversational patterns people are using. An interesting recent example is the Multiparty Session Types of Honda, Yoshida, Bejleri and Carbone: http://www.doc.ic.ac.uk/~yoshida/multiparty/multiparty_full.pdf

Re: [fonc] Publish/subscribe vs. send

2012-03-20 Thread danm
On 3/20/12 5:05 PM, Tony Garnock-Jones wrote: On 19 March 2012 18:35, Casey Ransberger casey.obrie...@gmail.com mailto:casey.obrie...@gmail.com wrote: What motivates? Are we trying to eliminate the overhead of ST-style message passing? Is publish/subscribe easier to understand? Does it