Abstract
The UMTS IMS network offers IP based multimedia applications with end-to end QoS guarantee by using policy-based control principles. To support end-to-end QoS, the UMTS IMS network should be scalable, reliable and flexible in policy deployment and enforcement, characteristics that are not found in a single-domain policy architecture. We propose that a hierarchical architecture be applied to a single-operator multi-domain environment, while multi-operator networks are peered at their hierarchical roots. This multi-operator multi-domain policy architecture potentially minimizes the session setup delay and policy exchange load while maximizing network scalability.
The original version of this chapter was revised: The copyright line was incorrect. This has been corrected. The Erratum to this chapter is available at DOI: 10.1007/978-0-387-35620-4_43
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© 2003 IFIP International Federation for Information Processing
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Zhuang, W., Gan, Y.S., Gao, Q., Loh, K.J., Chua, K.C. (2003). Multi-Domain Policy Architecture for IP Multimedia Subsystem in UMTS. In: Gaïti, D., Boukhatem, N. (eds) Network Control and Engineering for QoS, Security and Mobility. NetCon 2002. IFIP — The International Federation for Information Processing, vol 107. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35620-4_3
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DOI: https://doi.org/10.1007/978-0-387-35620-4_3
Publisher Name: Springer, Boston, MA
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