Patent ID: 8089983
Filing Date: 2012-01-03
Classification: H04L

Abstract:
1. A Modular Cable Modem Termination System (M-CMTS) core, comprising: circuitry configured to: identify a path from the M-CMTS core, over a network, to a remote PHYsical (PHY), wherein the identified path includes an incoming interface on the remote PHY; generate a reservation request to control resource reservation on the identified path including resource reservation for the incoming interface; attach an extension field to the generated reservation request, wherein the extension field is configured to be transparently forwarded with the generated reservation request by any intermediary devices, and wherein the extension field contains Downstream External Physical Interface (DEPI) information to control which outgoing interface of the remote PHY is reserved for a call flow to be forwarded over the network by the M-CMTS core; attach a Radio Frequency (RF) channel parameter to the generated reservation request, wherein the RF channel parameter corresponds to less than all of a plurality of RF channels extending from the remote PHY, and wherein the RF channel parameter is configured to be processed by the remote PHY to constrain RF channel reservation by the remote PHY; and transmit, over the network, the generated reservation request having the extension field and the RF channel parameter attached thereto.