One of the most critical tasks when accessing services through the IP Multimedia Subsystem is the registration process. The process involves two registrations, the first with the access network, the second with IMS. This leads to an overhead authentication that introduces a big delay. This article proposes an improvement for IMS registration protocol able to relate IMS registration to an access network registration by cryptographically binding both of them. This approach provides a general solution, saves time during registration and avoids several attacks.
CITATION STYLE
Díaz-Sánchez, D., Proserpio, D., Marín-López, A., Almenárez-Mendoza, F., & Weik, P. (2009). A general IMS registration protocol for wireless networks interworking. In IFIP Advances in Information and Communication Technology (Vol. 308, pp. 32–43). Springer New York LLC. https://doi.org/10.1007/978-3-642-03841-9_4
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