POBUCS framework: integrating mobility and qos management in next generation networks

Authors:
Fabricio Carvalho de Gouveia;Thomas Magedanz
Affiliations:
Technical University of Berlin, Berlin, Germany;Technical University of Berlin, Berlin, Germany
Venue:
IPOM'05 Proceedings of the 5th IEEE international conference on Operations and Management in IP-Based Networks
Year:
2005

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Abstract

The Internet is composed by different domains, each of them managed by different ISPs (Internet Service Providers). These Domains have different access networks and capabilities, users and policies that rule their behavior. Policies control QoS and other service parameters like security, and automate network management. Each ISP has an SLA (Service Level Agreement) established between its users, which defines what kind of resources and prices was agreed to be offered to each user. However there is no SLA between a visited domain and a mobile user. Thus there is a need to integrate mobility and QoS management envisaging seamless services and users’ satisfaction. We propose POlicy Based Unified access Control System (POBUCS) Framework providing mobility and QoS management, in an integrated way, for IP Multimedia Systems and Next Generation Mobile Networks. The architecture presents the Domain Policy Manager (DPM) as the Decision-making and controller of a domain. The proposed architecture uses policies for inter-domain negotiation.