Abstract One of the biggest evolutions brought by Grid technology is “Grid Utility Computing”, which utilizes various kinds of IT resources and applications across multiple organizations and enterprises, and integrates them into a comprehensive and valuable service. Since 2004, we proposed and have been developing the GridASP framework which realizes grid-enabled Application Service Providers (...

We denote by Q the reference area of size Q m2. Our problem is to fully cover the area and to provide certain level of QoS for users. There are two types of Base Stations (BS) that can be used for this purpose. Macro-BSs that have large transmission ranges but their energy consumption is high, and Femto-BSs that have smaller transmission ranges and relatively smaller energy consumption. Telecom...

Currently, welfare programs coordinate a range of services to support work among welfare recipients and help them overcome barriers to employment. This paper considers the relationship between spatial proximity to and utilization of support services among welfare recipients. Accessibility of mental health and substance abuse service providers among welfare recipients is examined in the three-co...

Recently, Service Discovery protocols in MANET have gained special attention from the research centers. In existing method, Service discovery protocols in mobile networks does not guarantee load balancing on routing paths between service providers and service requesters. It does not guarantee the performance attributes to service requesters and service providers. It permit to satisfy some perfo...

Service Level Agreements (SLAs) are fundamental technical-juridical documents which in their function as contract govern the rights and obligations between service consumers and providers. In today’s growing service ecosystems, individually negotiated SLAs have powerful additional roles such as serving as the input for automated service monitoring and health checking as well as binding service ...

With the increase in an online transactions and interactions on the internet, a key issue is how to use efficient and simple evaluation method to achieve trust based decisionmaking for service users and service providers. Trust plays an important role in all commercial cloud environments. It is the evaluation of capability of service providers as well as service users in completing a task based...

Network and processing overhead associated with web services is a significant challenge to its performance. As a result, web service providers often announce a service level agreement. This ensures that consumers, who pay for the service, can get the service at a given quality level. In this paper, we study the competition between two providers offering functionally the same web services, where...

As the technology of internet and multimedia processing is improving, IPTV has emerged as new revenue opportunities to network service providers. Network service providers have to consider both network and multimedia processing factors to guarantee adaptable network service level of IPTV service. In the view of network service customers, it is a good way to require network service providers to ...

The primary challenge of cloud service providers is finding ways to maintain a high degree of Quality of Service (QoS) in a cost-effective manner to ensure either profitability (for business-based cloud service providers) or cost avoidance (for government cloud service providers). The traditional approach to improving system performance is to upgrade the servers and/or network backbone, an expe...