What is enterprise architecture?

Running head: ENTERPRISE ARCHITECTURE
Enterprise Architecture
Name of Student-
Name of University-
Author’s Note-

ENTERPRISE ARCHITECTURE1
Introduction
Enterprise architecture (EA) in an organization helps to meet the business problem of the
organization in future (Kerlin 2017). EA helps in building organization stability and fulfill the
goal of an organization. EA includes different abstraction layer that forms complete as well as
common information view along with guidance and direction to achieve the goals. EA helps to
improve the decision based activities. EA helps to organize the digital data and reduces the
complexity of data organization (Upward and Jones 2016). This helps in establishing the process
of solid technology and helps in ensuring that technology is used across the functional areas and
business units in the organization.
This report explains the need of EA within an organization. The organization that is taken
in this report includes Chubb organization. This report explains the working environment of
Chubb organization and the way EA has changed its working process. This report also compares
the EA framework with EA3. Chubb organization has encountered many advantages with the
implementation of EA in its business. Those advantages are explained in this report and a
conclusion stating either EA framework or EA3 framework is more appropriate is explained in
this report. This report details the EA framework and the EA3 that can be implemented in
organizations.
Case Description
The organization that is taken in this report is an insurance company and provides
casualty products of insurance as well as services to different businesses and individuals. Chubb
changed its working process model to a federated model. The components that are included in
the new EA model of Chubb is target architecture and Enterprise architecture practice. Target

ENTERPRISE ARCHITECTURE2
architecture in EA model include architecture principles, governance, reference architectures, as
well as emerging technologies that helps in maximizing the integration plan for the organization.
The EA practice that is changed in Chubb mainly includes five domain: Platform architecture,
technical information, application and IT Strategy and Governance. With the new architecture
that Chubb has implemented, the organization has become more capable of handling the demand
management and handling the leadership development in the organization.
The EA that was designed for Chubb organization was comprehensive, mature as well as
well-developed. But with involvement of new technologies in the business structure, and having
demand from Chubb to provide detailed and better information and pressure to be more efficient
and have new innovate have resulted to re-evaluate as well as redesign role of EA and IT
function in the organization (Jallow et al. 2017). The organization changed and redesigned its EA
framework in 2012 which was created through centralized mechanism so that the IT solutions
can be integrated. Chubb considered EA to be the crown jewel for the organization and thinks
that when EA is right, all other business process will run correctly and efficiently in the
organization.
Architecture in case
The new architecture for Chubb was designed in the year 2012. The new architecture that
was built included strong architecture function having comprehensive strategy, governance,
standards, as well as the key enterprise assets as well as solutions. But with this architecture,
standards were difficult to enforce (Chofreh, Goni and Klemeš 2018). The management of
Chubb needed to rationalize the existing technologies and the enterprise applications so that
consolidated plan can be developed for the organization. After the evaluation, new centralized