Software as a Service is becoming a fundamental element of enterprise architectures across enterprises and businesses. This paper provides a brief justification for using the SaaS model in enterprise architecture. The paper evaluates the key business drivers of SaaS implementation and distinguishes between the current and future state of all domains affected by SaaS.
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The concept and notion of architecture date back to the prehistoric times. Originating in the design and architecture domains, the concept has been invariably associated with the principles of structure, symmetry, functionality, and harmony. Rapid advances in technology during the 20th century gave an impetus to the development of new, enterprise architectures; the latter remain the most complex, challenging but nonetheless desirable elements of productive business functioning. The Software as a Service (SaaS) model marks a new stage in the evolution of enterprise architecture and paves the way for the smooth integration of various EA frameworks with the principal business operations and functions. In contemporary business environments, the choice of SaaS is justified by the need to consolidate IT applications and models and reduce the costs of IT management at all levels of organizational performance. It is through SaaS deployment that organizations can easily achieve the desired future state of technologies where computing is integrally linked to communication, and seamless integration of technological efforts into end user-centered frameworks precipitates the creation and sustained usability of cost-efficient and flexible IT models.
Software as a Service: A Brief Introduction
Understanding the SaaS model is important for understanding its place and role in enterprise architectures (EA). “SaaS is software deployed as a hosted service and accessed over the Internet”. ...
Software as a Service: A Brief Introduction Understanding the SaaS model is important for understanding its place and role in enterprise architectures (EA). “SaaS is software deployed as a hosted service and accessed over the Internet” (Carraro & Chong, 2006). Actually, it is due to the rapid expansion and accessibility of the Internet that SaaS is gradually becoming a fundamental ingredient of many enterprise architectures. Thousands of end-user organizations move to adopt SaaS frameworks and applications, in order to automate front and back-office business operations, enhance accessibility of data, and guarantee security of information (SaaS, 2011). The Software as a Service model is: Loosely coupled services and components – that SaaS avoids tight coupling characteristic of earlier models means that the framework has a potential to reduce the costs of maintenance and integration. Configuration over programming – the SaaS framework depends on smaller components, which are coupled and shared to create business solutions based on minimal codes. Agnostic to databases – the choice of relevant databases is usually left to the needs of the SaaS provider. Agnostic to topologies – most enterprise architectures and computing topologies constantly involve, but the use of SaaS guarantees applicability, seamless integration, and deployment of various SaaS elements in any topology. GUI agnostic – enterprises using the SaaS frameworks have the free choice of GUI technologies, including performance and firewall issues, and makes it easier to integrate and design loosely coupled architecture elements, including Flex user interfaces. Agnostic to data sources – the SaaS
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According to the author, in the strategic basis of implementation, one of the first things to consider is the mission statement. A mission statement is a motto or theme, which is usually the first basis that is set. The mission statement gives the people involved in the project a general idea of what is to be achieved.
Configuration management (CM) becomes an essential activity because it helps to achieve updating and recording information that encompasses an enterprise's software and hardware. Such information normally consists of the updates and replacement with new versions that have been done to the installed packages of software as well as the network addresses and locations of hardware devices.
Enterprise Architecture: Justification Name: Institution: Introduction An enterprise has been defined as a business venture that has recognizable business functions and operations. It is a stand-alone entity that sometimes has other enterprises within it. Architecture is the underlying framework that makes up a system.
Information can be used against a person and the person can easily be blackmailed. Thus, data security plays an essential role in today's world. Data security is basically the protection of data. It protects data from unauthorized access and use or simply corruption.
The paper highlights on the enterprise architecture design and software architecture software development, on the importance of quality assurance department in conjunction with the entire organization and the project managers for successful completion of projects. It also highlights the aims and objectives of software development.
The study aims at ensuring that standard integration procedures and requirements are proactively incorporated for all third party BPOs and SaaS. Finally, it aims at ensuring effective, secure, and efficient integration of third parties into the business Purchasing, IT, and all other functions operated and directed by IT.
Theoretical concerns appear to surround discussions of enterprise architecture (EA), however successful businessmen and CIOs identify the criticality of establishing enterprise architecture practice. In addition, the beginning of EA is done by holistic business focus
Principles in enterprise architecture provide enterprises with mechanisms for better balancing of a top-down approach and bottom-up approach by focusing on what is regarded as essential using strategy. EA principles can be employed to precisely meet the needs of propagating enterprise transformation.
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