Business-driven PCE for inter-carrier QoS connectivity services

New value added services such as gaming on demand, premium VoIP and videoconferencing and cloud computing services impose strong Quality of Service guarantee requirement. However, ensure such a Quality of Service through multiple carriers, remains a challenge for Network Service Providers, particularly, when confidentiality issues and business policies are involved. In this paper, we discuss a novel bottom-up approach which aims to accommodate business objectives and network resource usage in a business-driven PCE.