130,042 research outputs found

    A trustworthy mobile agent infrastructure for network management

    Get PDF
    Despite several advantages inherent in mobile-agent-based approaches to network management as compared to traditional SNMP-based approaches, industry is reluctant to adopt the mobile agent paradigm as a replacement for the existing manager-agent model; the management community requires an evolutionary, rather than a revolutionary, use of mobile agents. Furthermore, security for distributed management is a major concern; agent-based management systems inherit the security risks of mobile agents. We have developed a Java-based mobile agent infrastructure for network management that enables the safe integration of mobile agents with the SNMP protocol. The security of the system has been evaluated under agent to agent-platform and agent to agent attacks and has proved trustworthy in the performance of network management tasks

    Formal Aspects of Grid Brokering

    Full text link
    Coordination in distributed environments, like Grids, involves selecting the most appropriate services, resources or compositions to carry out the planned activities. Such functionalities appear at various levels of the infrastructure and in various means forming a blurry domain, where it is hard to see how the participating components are related and what their relevant properties are. In this paper we focus on a subset of these problems: resource brokering in Grid middleware. This paper aims at establishing a semantical model for brokering and related activities by defining brokering agents at three levels of the Grid middleware for resource, host and broker selection. The main contribution of this paper is the definition and decomposition of different brokering components in Grids by providing a formal model using Abstract State Machines

    Reaching inter-institutional business processes in e-Society

    Get PDF
    Each business enterprise strives to achieve the most efficient organization of its operations. While business enterprises can influence internal factors of organization, external factors are more rigid. Public organizations have less of an incentive to be efficient. Furthermore, their organization is less favorable since the decision making is centralized and highly formal (i.e. legislative). Adoption of business process orientation (BPO) paradigm,with an emphasis on the management of internal factors of organization, has provided business organizations with substantial savings and improvements in efficiency. However, external factors also have a high potential for improvement of efficiency. For instance, development of supply chains or value chains has proven that external factors can be harnessed to provide additional sources of competitiveness. Other external factors can also beused to improve the performance of individual organizations, an entire industry or economy as a whole. These synergic effects can be achieved through a unified and virtualized communication infrastructure, document exchange and conduct of business transactions. The goal of this paper is to present business environment properties in an e-Society that can be further developed to enhance integration between organizations and public institutions, which in turn can be used to create and manage inter-institutional business processes. This typeof processes can promote e-business and e-business models to a new level of efficiency, making a whole industry or national economy comparatively more competitivein international markets.business processes; public administration; e-business; e-society; interactions
    • 

    corecore