Management and context integration based on ontologies for pervasive service operations in autonomic communications systems
- Autores: Jaime Martín Serrano Orozco
- Directores de la Tesis: Joan Serrat Fernández (dir. tes.)
- Lectura: En la Universitat Politècnica de Catalunya (UPC) ( España ) en 2008
- Idioma: español
- Tribunal Calificador de la Tesis: Fernando José Casadevall Palacios (presid.), Jaime Delgado Mercé (secret.), Declan O'Sullivan (voc.), Victor Abraham Villagrá González (voc.), Gabi Dreo (voc.)
- Materias:
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- Resumen
The convergence of software and networking solutions can provide solutions for some of the complex management problems present in current and future Information Technologies and Communications (ITC) systems. Current ITC research is focused on the integrated management of resources, networks, systems and services. This can be generalized as providing seamless mobility to, for example, personalize services automatically. This type of scenarios requires increased interoperability in service management operations. Integrated management and cross-layer interactions, involve both the transmission capabilities from network devices and the context-aware management services of the middleware environment. Transmission capabilities influence the performance of the network, while middleware impacts the design of interfaces for achieving data and command interoperability. Integrated management refers to the systematization of operations and control of services in networks and systems. Cross-layer refers to the joint operation of the physical, link, management and service layers, and context-awareness refers to the properties that make a system aware of its user's state, the goals of the user and operator, and the state of the network environment. This awareness helps to the systems to adapt its behaviour according to applicable business rules, all the while offering interoperable and scalable personalized services. To do this, different data models are required in NGN and Internet solutions, due to the inherent heterogeneity of vendor devices and variability in the functionality that each device offers. Typical solutions have attempted to provide middleware to mediate between a (small) subset of vendor-based solutions, while research has investigated the use of a single information model that can harmonize the information present in each of these different management data models. Industry has not yet embraced the approach, since this research typically does not map vendor- specific functionality to a common information model. This thesis proposes the semantic enrichment of management information described in information and data models with ontological data to provide an extensible, reusable common manageability semantic plane. The proposed semantic plane provides new tools to integrate context information with management service operations, and offers a more complete understanding and hence, a more inclusive governance of the management of resources, devices, networks, systems and services for promoting the integrated management with a common information model. The semantic plane is made up of the Ontology for Support and Management (OSM), as well as the ontology-based functional framework (Onto-CONTEXT framework). OSM is designed to provide the necessary semantic richness to represent the different types of information to need to be integrated in network management operations, using a formal methodology that uses available context data as values used in various service management operations. OSM augments the expressiveness of a policy information model approach by adding domain-specific context data for users, locations, devices, applications, and services. OSM integrates network management information, policy information, context information, and ontology concepts and their relationships to manage services and management operations of those services for NGNs and pervasive systems.
In addition this thesis defines a generic framework and architecture, as well as specific realizations of each, for network management. The generic framework offers concepts, relationships, and rules for the development of ontology-based management platforms and systems. The Onto-Manager architecture acts as aside contribution in main objective of this thesis.
It is a generic ontology-based, policy-driven architecture for that uses context information to enable the common management operations (distribution, invocation, deployment, execution and management) of pervasive service lifecycle. The Onto- CONTEXT architecture acts as demonstration in how the use of an ontology-based information model as OSM enables context information and pervasive services to be more efficiently and easily supported and managed, thus improving cross-layer management and information interoperability.
