Core business architecture for a service-oriented enterprise

Service oriented architecture is gaining imporatnce day by day. Hence it is necessary for a service oriented enterprise to know the core business architecture.

The business architecture of a service-oriented enterprise can be adequately represented through five main architectural domains:

• business value

• structure

• behavior

• policy

• performance

The ideas of service offerings and consumption of business services are not new, even though they are done now in a mostly ad hoc manner. As most of the architecture are service oriented rather than be business oriented.

It is worth noting that concepts of business architecture in a service-oriented enterprise are distinct from similar concepts of IT solution architecture although, at first glance, they appear to have common terminology.

he business service concept has attributes that are relevant to communication among business people, such as the various terms and conditions associated with business service consumption, governance, management, and so on.

The current trend toward a service-oriented enterprise necessitates a formal characterization of business architecture that reflects service-oriented business thinking.

A core business architecture spanning multiple business domains is a framework to facilitate service-oriented business reasoning.

Core business architecture presented has several salient characteristics that differentiate

Primarily, develop formal relationships between the different entities that constitute the business architecture.

Use small number of key architectural elements, that can be used in a business scenario related to introducing a new service offering.

Business domain models in the core business architecture

Business domains represented in the core business architecture are:

• business value

• business structure

• business behavior

• business policies

• business performance

 Business Value Model

It contains:

• Economic entity

• offering

• value
  

Business structure model

• Business components
  

• Business artifacts
  

• Business services

• Strategic capability
  

• Business specification of a service 

Many enterprises that are aspiring to become service-oriented enterprises have embarked on SOA-based transformation projects within their IT environment, which should help improve both the governance and as the reuse of services within the enterprise. However, integrating business services across enterprises still remains a challenge due to lack of standards in many areas including service message formats, service nomenclature, service interfaces, and so forth. Further standards should accommodate differing cultures and laws rather than trying to standardize them, even though this adds complexity