Re: Scala paper: Actors that Unify Threads and Events

Philipp,

Does there exist any sample code for using JXTA for transport between  
Scala Actors?

Thanks,

David

PS -- The more time I spend with Actors, the more I like them.   
Thanks for doing a rockin' job on them!
On Jan 30, 2007, at 5:46 AM, Philipp Haller wrote:

> Terrance Sullivan wrote:
> > As I recall from reading Philipp's early paper and the sense  
> > Erlang  the
> > language may have also possibly influenced his work on Scala  Actors
>
> Indeed, Scala's actors were influenced to a large extent by Erlang.
>
> > (?), would suggest taking a look at YAWS (Yet Another Web  Server)  
> > done
> > in an Erlang/Actor style with interesting performance  and robustness
> > characteristics or YXA which is a similarly  implemented instance of
> > SIP. Certainly, the 15+ years Ericsson has  acquired using Erlang/ 
> > OTP on
> > their production ATM switches would also  suggest that this is a well
> > founded technique.. Equally one could  back track to some of the
> > material at the Erlang.org site..
>
> I agree. Existing Erlang work might be very helpful to look at. After
> all, the programming models are very similar. I also recommend the
> Erlang book ("Concurrent Programming in Erlang", 2nd ed. by Joe
> Armstrong et al.). It contains a wealth of programming examples for
> actor-style message passing concurrency. Most of them should be
> straight-forward to write using Scala actors.
>
> On the other hand, I fully agree with Warren that a comprehensive
> example in Scala would be a very good thing.
>
> Actually, some larger programs have been developed in our lab.
> Unfortunately, they have to be re-written since the actor library has
> been re-designed in the meantime. I'll take a look and see how much  
> work
> it is to update the old code.
>
> Another point regarding "massive scalability". I think it is important
> to note that large numbers of actors are not only interesting for
> network applications such as web or Jabber servers (for connections/ 
> user
> sessions).
>
> Lightweight actors are also crucial if you intend to build general
> abstractions on top of them. As a rather radical example, imagine
> replacing all your normal objects with actors...
>
> Cheers,
>    Philipp
>
>
>
> > /Terry
> >
> > On 29-Jan-07, at 12:32 PM, Warren Henning wrote:
> >
> > > On 1/29/07, Philipp Haller <philipp.haller@xxxxxxx> wrote:
> > >
> > > > Feedback is very welcome!
> > >
> > >
> > > What would help me the most in understanding actors is a practical
> > > example that clearly shows how the actor system can be used to  
> > > create
> > > real-world massively scalable systems. What would be nice is a
> > > complete, realistic program, not too short but not too long, either,
> > > that I can compile and run involving something, say, network- 
> > > related,
> > > that I can try out on my home machine and play around with.
> > >
> > > Apparently a tutorial of some kind is underway on the actors library
> > > and I eagerly await it.
> > >
> > > Warren Henning

--
David Pollak
http://blog.lostlake.org