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ABSTRACT

Contemporary distributed software systems for realistic business applications have become extremely heterogeneous, dynamic and large scale. They offer services to many different types of users and include various hardware such as backend servers, regular PCs and various mobile and embedded devices, as well as diverse network infrastructures, such as sensor networks. However, managing these systems is typically a complicated task due to several factors. This paper proposes a policy-based approach that offers a higher level of abstraction to manage these distributed applications in an easier way. We first give an overview of existing research on policies in traditional middleware and describe some of the shortcomings when applying them for managing sensor networks. Secondly, we propose an architecture for a policy-driven middleware that addresses these limitations and provides a solution for them.

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INDEX TERMS

Primary Classification:
  C. Computer Systems Organization
  C.2 COMPUTER-COMMUNICATION NETWORKS
      C.2.4 Distributed Systems

General Terms:
Design, Management

Keywords:
architecture, middleware, policy-based management