Udi Dahan addresses SOA from both a technological and business perspective by introducing business and autonomous components, basic elements of a service-oriented solution for the enterprise.
Udi Dahan is The Software Simplist, an expert on software architecture and design. A Solutions Architecture and Connected Systems MVP 4 years in a row, Mr. Dahan is also one of 33 experts in Europe recognized by the International .NET Association, an author and trainer for the International Association of Software Architects, and an SOA/Web Services/XML Guru recommended by Dr. Dobbs Journal (DDJ).
QCon is a conference that is organized by the community, for the community.The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community.QCon is designed with the technical depth and enterprise focus of interest to technical team leads, architects, and project managers.
Business Entity Lifecycles
the official definition of an event is "the occurrence of a state". A message (event) carries the information that an event happen. Being the occurrence of a state, state is the key concept. States are assembled (and belong to) lifecycles (an order, a customer, a shipment... lifecycles).
Lifecycles define very naturally the boundaries of services (including message events).
The overall programming model involves: services, events, process and resources (i.e. business entities). This is the complete picture.