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Title: Evaluation of policy based admission control mechanisms in NGN
Author: Gonçalves, Pedro
Azevedo, Ricardo
Gomes, Diogo
Oliveira, José Luis
Aguiar, Rui L.
Keywords: Network management
Issue Date: 25-May-2009
Publisher: IEEE
Abstract: The 3GPP consortium proposed in the release 7 of the IP Multimedia Subsystem (IMS) a Diameter interface for the resource admission communication process replacing the previous COPS solution. Although both academic and industry communities have deeply debate the advantages and disadvantages of each protocol, its impact in NGN may have not been thoroughly quantified. This paper compares both protocols in terms of messages exchanged between network entities, and of bandwidth requirements during the admission control process. Based on general network operator environment characteristics, we present several exploitation scenarios where it is analyzed the scalability and adequacy of each protocol.
Peer review: yes
DOI: 10.1109/ICTEL.2009.5158633
ISBN: 978-1-4244-2936-3
Appears in Collections:ESTGA - Comunicações

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