Congestion Handling in Dynamic Differentiated Services Networks
LCN '01 Proceedings of the 26th Annual IEEE Conference on Local Computer Networks
Journal of High Speed Networks
Edge-limited scalable QoS flow set-up
Journal of Network and Computer Applications
CSPF routed and traffic-driven construction of LSP hierarchies
Art-QoS'03 Proceedings of the 2003 international conference on Architectures for quality of service in the internet
Sink tree-based bandwidth allocation for scalable qos flow set-up
ICOIN'06 Proceedings of the 2006 international conference on Information Networking: advances in Data Communications and Wireless Networks
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The Differentiated Service (DiffServ) architecture for the Internet implements a scalable mechanism for quality-of-service (QoS) provisioning. Bandwidth brokers represent the instances of the architecture, that automate the provisioning of a DiffServ service between network domains. Although several bandwidth broker implementations have been proposed, the alternatives and tradeoffs of the different viable approaches of inter-broker communication were not studied up to now. This paper presents the broker signaling tradeoffs considered in the context of a DiffServ scenario used by the Swiss National Science Foundation project CATI, and it presents results gathered by simulations.