1. An apparatus for managing network access, comprising: a Content Services Gateway comprising: one or more processing modules operable to: facilitate a communication session for an end user at a first location, the communication session using a first network node servicing the first location, the end user associated with a quota based on a first tariff associated with the first location; receive a signal indicating a change in a network parameter, the change reflecting that the end user has moved from the first location to a second location and changed from using the first network node to a second network node servicing the second location; notify a billing system element of the change in the network parameter indicating movement; receive quota information indicating the quota based on a second tariff associated with the second location; and provide a quota enforcement mechanism such that content being delivered to the end user is limited according to the quota based on the second tariff associated with the second location; one or more memory modules operable to store a known user table (KUT), the KUT including: an internet protocol (IP) address associated with the end user; and information associated with the first and second network nodes being used by the end user.