IBM has formalized on a SOA design methodology and its constructs that ought to be defined and created - it is now packaged through Rational Unified Process (RUP) and is called RUP-SOMA. For more on it read Chapter 4 of the book 'Executing SOA - A Practical Guide for the Service Oriented Architect' -> http://www.amazon.com/Executing-SOA-Practical-Service-Oriented-Architect/dp/0132353741/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1214196499&sr=8-1
-Tilak --- "Dey, Santanu" <[EMAIL PROTECTED]> wrote: > in other words SOA has not yet translated into a > *definitive set* of > implementable design constructs (or re-usable > patterns) that can * > exclusively* characterise the architectural style > beyond debate... > > On Fri, Jun 6, 2008 at 8:37 PM, Dey, Santanu > <[EMAIL PROTECTED]> wrote: > > > I have struggled to define a "service" in the > first place.. > > What is a service? We all know SOA and WS are not > the same... Must a > > service be machine discoverable? Must it follow > WS*? How decoupled and > > atomic should the services be? how important are > service life cycle > > management, service operations management aspects? > > > > Then there are questions specific to > quintessential SOA characteristics.... > > What do you think at the minimum should be > followed? Is service registry a > > must? Do you need to define a Common Message > Format? Should the architecture > > support the capability to compose and orchestrate > services? is a BPM layer > > essential? is a Service Bus needed ? how important > is service > > virtualization? Which standards to be followed? > > > > without having clear answers to many questions > questions such as above we > > can not unambiguously define SOA. > > On Thu, Jun 5, 2008 at 10:41 PM, Rob Eamon > <[EMAIL PROTECTED]> wrote: > > > >> +1 > >> > >> -Rob > >> > >> --- In > service-orientated-architecture@yahoogroups.com<service-orientated-architecture%40yahoogroups.com>, > >> Michael Poulin > >> <[EMAIL PROTECTED]> wrote: > >> > > >> > I would disagree with "üA service-oriented > architecture is > >> essentially a collection of services"; it is not > an architecture. > >> > > >> > - Michael > >> > >> > >> > > > > >