An Approach to Design a SOA Services Governance Architecture for an u-Healthcare System with Mobility

An Approach to Design a SOA Services Governance Architecture for an u-Healthcare System with Mobility

Weider D. Yu (San Jose State University, USA), Jatin Patel (San Jose State University, USA), Vishal Mehta (San Jose State University, USA) and Ashish Joshi (San Jose State University, USA)
Copyright: © 2012 |Pages: 30
DOI: 10.4018/jehmc.2012040103


Ubiquitous health (u-Health) system is focused on the concept of providing medical service and assistance to the patients “anywhere and anytime” regardless of their locations. Existing mobile u-Healthcare systems have problems in lacking one or the other S.C.A.L.E. (Scalability, Connectivity, Adaptability, Liability, and Ease-of-use) criterion that any ubiquitous system must support. They become expensive during set up, reconfiguration, and modification as no proper and efficient solution is available. Also, they lack security, privacy, and wireless accessibility features so all these problems can prevent the system from being expanded widely. The objective of this paper is to implement a u-Healthcare system based on wireless mobile technology using Service Oriented Architecture (SOA). Applying Service Governance of Service Oriented Architecture helps make all services more secure, reusable, interoperable, available, and imposes all the features a ubiquitous system should have. A prototype system uSG-Health was developed using the approach for demonstrating the functionality and ability of the proposed u-Healthcare system.
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Rapidly expanding IT sector has spanned many areas affecting human lives such as communication, transportation, accounting, production, manufacturing automation, medical, healthcare, etc. Technology advent in ubiquitous or pervasive computing has also entered in the field of healthcare (Serrano, 2011; Elmisery, 2011; Foghlu, 2011; Donnelly, 2011; Storni, 2011; Fernstrom, 2011). For an u (ubiquitous)-Healthcare system to be a complete system, it should follow certain criteria called S.C.A.L.E. which stands for Scalability, Connectivity, Adaptability, Liability, and Ease-of-use (Cha, 2005; Pallapa, 2007). Currently, there is no such system which provides reusability, interoperability, availability, and loose coupling. Moreover, there are security and privacy issues in using a mobile based u-Healthcare system.

U-Healthcare systems in the current market are implemented to different extents. For example, there was work in the area of smart emergency and multi-agents system (Bergenti, 2010; Poggi, 2010). One part of ubiquitous healthcare market proposes u-Healthcare system with possible issues like security and privacy, but does not solve them. They just use the ubiquitous computing technology in their systems without solving any problems. None of these systems provides reuse and availability (Song, 2006).

One part of market develops a better u-Healthcare system by providing some security and privacy framework. Such u-Healthcare systems provide security and privacy to the data that are transmitted between clients and servers. Security is implemented by encrypting the data being transmitted and stored. Also the systems provide access control to the data so that there is no unauthorized access (Varshney, 2007).

One part of market provides security and privacy solutions to their u-Healthcare systems. Systems like SHOES provide extra security using steganography to protect the data (Cotroneo, 2004). Some also apply Service Oriented Architecture (SOA) technology to the u-Healthcare systems which make the systems reusable, interoperable, and loosely coupled (Riz, 2004). In spite of the features provided by the systems, they are not completely ubiquitous. They lack some ubiquitous system features (Pallapa, 2007; Cotroneo, 2006).

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