@inproceedings{0c790e0d51ba4471b5f13380c3fd4750,
title = "Performance and implementation of UFA: A SIPbased ultra flat mobile network architecture",
abstract = "Due to their centralised design, current mobile network architectures as well as IMS layer will not be able to handle the increasing number of mobile users consuming high bitrate services. An Ultra Flat Architecture (UFA), based on SIP and designed with the primary goal of being scalable, has been introduced in a previous paper. In this paper, the limitations of current 3GPP architectures are discussed and detailed explanations of UFA interest and procedures are provided. UFA is entirely controlled by the operator and integrates QoS in its establishment and mobility procedures. To prove its concept and assess the performance of its mobility procedure, UFA is implemented on a testbed. UFA HO delay measured at the application level is 100ms in average; it is 12 times smaller than in a classic SIP-based mobility scheme.",
keywords = "Component, Flat architecture, HO, IMS, QoS, SIP, UFA",
author = "Khadija Daoud and Philippe Herbelin and Karine Guillouard and No{\"e}l Crespi",
year = "2009",
month = jan,
day = "1",
doi = "10.1109/PIMRC.2009.5450117",
language = "English",
isbn = "9781424451234",
series = "IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
pages = "793--797",
booktitle = "2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009",
note = "2009 IEEE 20th Personal, Indoor and Mobile Radio Communications Symposium, PIMRC 2009 ; Conference date: 13-09-2009 Through 16-09-2009",
}