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- To: "Mark Baker" <firstname.lastname@example.org>
- Subject: RE: [xml-dev] Web Services/SOA (was RE: [xml-dev] XML 2004 weblog items?)
- From: "Chiusano Joseph" <email@example.com>
- Date: Mon, 29 Nov 2004 14:49:09 -0500
- Cc: <firstname.lastname@example.org>
- Thread-index: AcTWSzR+WNxHkdckT5629i8h3STIBgAARbaw
- Thread-topic: [xml-dev] Web Services/SOA (was RE: [xml-dev] XML 2004 weblog items?)
> -----Original Message-----
> From: Mark Baker [mailto:email@example.com]
> Sent: Monday, November 29, 2004 2:42 PM
> To: Chiusano Joseph
> Cc: firstname.lastname@example.org
> Subject: Re: [xml-dev] Web Services/SOA (was RE: [xml-dev]
> XML 2004 weblog items?)
> On Mon, Nov 29, 2004 at 11:07:59AM -0500, Chiusano Joseph wrote:
> > > And more importantly I'd argue, *how* are those technologies used?
> > > "SOA" encompasses many different architectural styles,
> > I believe that SOA is *an* architectural style.
> It is, it's just not a particularly useful style
Please define "useful". It sounds like the loose coupling, vendor
neutrality, and business agility that they enable are not useful
according to you?
> because the
> implicit constraints (nobody's yet been able to agree on any)
> of SOA are so few.
> Many SOA proponents I've talked to claim this is a good
> thing, but the study of software architecture tells us the
> exact opposite; that only via constraints are the necessary
> architectural properties realized (and many more are required
> for Internet scale solution than they are Intranet scale ones).
> FWIW, I was using it differently there, to basically say it's
> used to simultaneously refer to styles akin to CORBA/OMA,
> MOM, RPC, etc...
> > SOA is not a Web Services technology - Web Services are a tactical
> > means to achieve the strategic goal of SOA (credit to
> Burton Group for
> > that characterization).
> Sounds like a cop-out to me; a layer of indirection which
> allows the analysts to continue to tout "SOA", while "Web
> services" take the heat from five years of hype and very
> little in the way of demonstrated value.
A lack of research sounds like a bigger cop-out to me ;) You should do
Booz Allen Hamilton
Strategy and Technology Consultants to the World
> Mark Baker. Ottawa, Ontario, CANADA. http://www.markbaker.ca