Patent ID: 8369328

Claim:
A network access node comprising: a first communication module adapted to receive one or more data streams, wherein each of the one or more data streams is addressed to a separate terminal connected to said access node through a second communication module; said second communication module being adapted to maintain a first communication session with a first terminal and a second communication session with a second terminal; and a stream generator adapted to use at least a portion of a received data stream addressed to the first terminal in order to generate at least a portion of a data stream sent to the second terminal through the second communication session; wherein the first and the second communication modules each comprise one or more communication sub-modules; and at least some of said one or more communication sub-modules run on a different physical interface; and further comprising a data stream cache adapted to temporarily store at least a portion of the received data stream addressed to the first terminal and said generator uses data stored in said cache in order to generate the data stream sent to the terminal over the second session.