[occi-wg] Templates (was Re: OCCI Dashboard)

Sam Johnston samj at samj.net
Sat Jun 27 06:33:21 CDT 2009

On Sat, Jun 27, 2009 at 1:27 PM, <eprparadocs at gmail.com> wrote:

> Well I wasn't the one to bring up the dribble about RESTful being closer
> to God because it was OO and RPC, like SOAP, isn't. That is just crap.
> They are all the same thing.
> So stop trying to sell it.

Thanks again for your insighful contributions. Now if you want to have a
sensible discussion about the advantages of one approach to API development
over another then this is the place to do it. If not then perhaps I wasn't
clear enough before: take it elsewhere.



> Sam Johnston wrote:
> > On Sat, Jun 27, 2009 at 12:22 PM, <eprparadocs at gmail.com
> > <mailto:eprparadocs at gmail.com>> wrote:
> >
> >     Geez I wish people would stop the RESTful is OO vs. RPC is
> functional.
> >     Nothing could be further from thhe truth. RESTful, RPC, SOAP, XML RPC
> >     are all remote calls. It has nothing at all to do with functional vs.
> >     imperative programming. That comes from something else, the
> definition
> >     of the language.
> >
> >     RESTful is functional, it just deals with objects (or it can). The
> >     same
> >     can be said of RPC, after all Corba is object based use of "RPC".
> >
> >
> > Actually I think it does make sense to differentiate. Traditionally
> > APIs have been a never-ending sprawl of "doSomething(withSomething)"
> > calls, with new ones being added whenever there's a new itch that
> > needs scratching (e.g. EC2).
> >
> > In a pure REST API (what I call "ROA") everything's a [representation
> > of a] resource... an object or a document if you like... and most of
> > your operations look like GET-modify-PUT. Unfortunately many/most even
> > RESTful APIs tend to cut corners and in doing so lose much of the
> > advantage of being RESTful in the first place.
> >
> > For example, if we use an RPC-style call for state changes then we
> > have to punch through to the hypervisor for each and every call (which
> > severely hurts scalability). If we handle these instead as
> > (cancelable) requests then the API clients and the nodes themselves
> > can be completely decoupled, effectively using the API implementation
> > as a[n infinitely scalable] document repository.
> >
> > Anyway we definitely don't have time for more bikeshed painting so if
> > you want to talk about the theory of REST then rest-discuss
> > <http://tech.groups.yahoo.com/group/rest-discuss/> is probably the
> > place to do it.
> >
> > Sam
> >
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