Enabling dynamic service delivery in the 3GPP evolved packet core

With the deployment of new wireless access technologies, like LTE or WiMAX which complement the existing accesses such as UMTS or WiFi, the mobile devices are able to establish services having different requirements for network capabilities. However, the services deployed are lacking an efficient mechanism of adaptation to the momentary connectivity conditions which deters the dynamic service delivery according to the momentary preferences of the user's applications. This paper introduces a new mechanism for the adaptation of the services to the momentary network conditions which includes as part of the vertical handover procedures a resource reservation decision according to the preferences of the mobile device and the capabilities of adapatation of the application as advertised during service establishment, enabling a more dynamic service delivery without requiring resource re-reservation procedures. Furthermore, the novel concept is exemplified on the 3GPP Evolved Pa cket Core and evaluated using the Fraunhofer OpenEPC toolkit implementation. ©2010 IEEE.