KEYWORDS: Networks, Network architectures, Interfaces, Human-machine interfaces, Data modeling, Nomenclature, Systems modeling, Computer architecture, Optical networks, Chemical elements
An ASTN (Automatic Switched Transport Network) enhances the traditional transport network by a control plane. The control plane implements signalling and routing mechanisms that allow the automatic configuration of end-to-end connections on client requests. Consequently the management of ASTNs requires integrated management of the control plane layer and the underlying transport network. This article describes a generic architecture for ASON management systems tuned to this requirement. The centre piece of this architecture is a generic CORBA network level interface which allows an easy integration of several layer networks and different administrative domains. In order to evaluate this architecture it will be implemented for an IP over ASON (Automatic Switched Optical Network) field trial developed within the Fiberhome Telecommunication Technologies. The ASON management system is designed for a multi-vendor, multi-technology, and multi-domain environment. This contribution gives a description of the architectural concepts used, the existing frameworks adopted, the design of the network level interface, and experiences made during implementation of the concepts for the Fiberhome Telecommunication Technologies field trial.
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