In some embodiments, methods for providing advertisements from a communication gateway are providing, including: receiving a first request requesting content from a content server; analyzing the first request, including performing deep packet inspection; based on updatable profile information associated with a mobile node and on the analysis including the deep packet inspection, selecting an advertising category; based on the selected advertising category, retrieving an advertisement among a plurality of advertisements and sending the advertisement to the mobile node; updating the profile information to indicate the advertisement has been sent to the mobile node in response to the first request for content; receiving a second request for the content from the mobile node; retrieving the content; and in response to the second request and based on the profile information indicating the advertisement has been sent to the mobile node, sending the content to the mobile node.