Patent ID: 9220051
Filing Date: 2015-12-22
Classification: H04L,H04W

Abstract:
1. A radio network controller of a mobile telecommunication network, the radio network controller being configured to transfer a content delivery provider domain name system, DNS, reply from a content delivery provider outside the mobile telecommunication network and being located above a GGSN to a mobile terminal connected to the mobile telecommunication network, the radio network controller comprising: an interface configured to receive the content delivery provider DNS reply; circuitry connected to the interface and configured to extract a token from the content delivery provider DNS reply, wherein the token was introduced into the content delivery provider DNS reply by the content delivery provider, wherein the circuitry is configured to intercept the content delivery provider DNS reply when arriving from the content delivery provider, compare the token with a stored token, and replace in the content delivery provider DNS reply an internet protocol, IP, address associated with a cache in the content delivery provider with a preset IP address associated with a resource associated with the radio network controller and located below the GGSN when there is a match between the token and the stored token; and the interface is configured to send to the mobile terminal the content delivery provider DNS reply with the preset IP address instead of the content delivery provider's cache IP address.