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- W208313219 abstract "Abstract Policy based management have gained a crescent importance in the last years. New demands on internetworking, on services specification, on QoS achievement and generically on network management functionality, have driven this paradigm to a very important level. The main idea is to provide services that allow specifying management and operational rules in the same way people do business. Despite the main association of this technology with network management solutions, its generality allows to extend these principles to any business process inside an organization. In this paper we discuss the main proposals in the field, namely the IETF/DMTF model, and we present a proposal that allows the specification of policy rules through a user-friendly and component-oriented graphical interface. I. INTRODUCTION Network management has become in the last years a matter of great importance due the increased dependence of enterprises on their networked applications. This dependence has made the availability and performance of network services more critical than ever. The evolution of network management has passed several stages, from management based on human-effort to proprietary management systems and finally to management systems based on open standards encouraged by standardization organizations mainly, like the International Organization for Standardization (ISO) and the Internet Engineering Task Force (IETF). Configuration management is a key area in any management solution and it affects directly other functional areas like security, performance, accounting and fault. Usually network configuration is an interactive task between the network administrator and the managed network equipments. If we consider that, due the crescent complexity of equipments and their management, new technologies, new network services and so on, the network administration occupy more and more time of user managers it is essential to find new solutions for network management. In this context it is desirable that a network management system will be enriched with the ability to automatically manage the network configuration based upon high-level rules, more or less in the same way business-oriented requests are issued. For example, a management system should be capable, for a specific management situation, to offer facilities to reconfigure the whole system without the network administrator have to worry about the configuration details of network equipment. Policy-Based Management (PBM) has emerged during the last years as the right paradigm to deal with this type of requirements [1]. The main idea of PBM is the definition of high level procedures – policies – that will rule the behaviour of the network regardless the intricate lower level equipment details. The main purpose of the PBM systems is the storage, management and the transformation of policies into configuration instructions that can be applied to the network equipment. Although the focus has been primary put on configuration management, all other management areas are suitable for the application of policies. This paper reviews current models for policies specification and proposes a solution based on visual composition of management policies." @default.
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- W208313219 date "2003-01-01" @default.
- W208313219 modified "2023-09-24" @default.
- W208313219 title "Visual composition of management policies" @default.
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