Research Article
SIP roaming solution amongst different WLAN-based service providers
@INPROCEEDINGS{10.1109/MOBIQW.2006.361785, author={ Alessandro Ordine and Julian F. Gutierrez and Luca Veltri}, title={SIP roaming solution amongst different WLAN-based service providers}, proceedings={1st International ICST Workshop on Ubiquitous Access Control}, publisher={IEEE}, proceedings_a={IWUAC}, year={2007}, month={5}, keywords={}, doi={10.1109/MOBIQW.2006.361785} }- Alessandro Ordine
Julian F. Gutierrez
Luca Veltri
Year: 2007
SIP roaming solution amongst different WLAN-based service providers
IWUAC
IEEE
DOI: 10.1109/MOBIQW.2006.361785
Abstract
Deployment of 802.11 wireless LANs is increasingly on the rise leading to new service scenarios in which users are connected everywhere - every time. However the IEEE 802.11 standard was designed for short range wireless data transmissions and does not natively provide any support for roaming amongst different access networks. In the more general case, a mobile user should be expected to be able to roam into a visited domain and gain access to the network on the basis of some credentials shared with his home domain or WISP. There are several mechanisms that can be involved in providing such access control and roaming functionality but no any standard has overcome. In this paper, a new SIP based solution is proposed. SIP-based authentication is provided end-to-end between user-to-network and network-to-network. The proposed solution realizes full proxy-to-proxy authentication at SIP level, enabling dynamic and secure WISP-to-WISP interworking. The proposed solution has been also implemented and successfully tested in a demonstrating testbed