Abstract: A method for transmitting upstream data in a cable network is provided. The method includes a cable modem (CM) receiving a generic service identifier (G-SID) included in a corresponding information element (IE) in a data over cable service interface specification (DOCSIS) upstream bandwidth allocation MAP message. The G-SID is a unique identifier assigned to the CM. The method includes the CM transmitting the upstream data for one or more service flows of the CM via at least a portion of the CM bandwidth allocation.

Abstract: A cable media converter (CMC) management method, including receiving, by a CMC controller by using a management channel, a second message packet sent by a CMC, where the second message packet has an identifier of the CMC and configuration file information of a cable modem (CM), and where the identifier of the CMC uniquely identifies the CMC, and determining, by the CMC controller according to a locally saved correspondence between an optical line terminal (OLT) and a CMC, an OLT corresponding to the CMC identified by the identifier in the second message packet, and sending the configuration file information in the second message packet to the determined OLT.

Abstract: An upstream bandwidth allocation method, apparatus, and system. The method includes obtaining, by a cable modem termination system (CMTS), a service flow attribute of each online cable modem (CM) of one or more online CMs, where the service flow attribute comprises at least one delay-sensitive service and a delay-insensitive service, allocating, by the CMTS, an upstream bandwidth to each online CM according to a received service request, and obtaining a remaining bandwidth that is a remaining part in a preset total bandwidth other than the upstream bandwidth that is allocated to each online CM according to the service request, allocating, by the CMTS, at least a part of the remaining bandwidth to a CM whose service flow attribute is a delay-sensitive service, and informing, by the CMTS, each online CM of the one or more online CMs of an upstream bandwidth allocation result.

Abstract: A method, an apparatus, and a system for acquiring a configuration file in a data over cable service are provided. The system includes: a convergence device, a cable modem terminal system CMTS assembly, and a cable modem CM, where the convergence device is connected to the CM using the CMTS assembly. The convergence device may be configured to intercept a first DHCP response message sent by a DHCP server to the CM; acquire configuration file information of the CM from the first DHCP response message; send the configuration file information of the CM to the CMTS assembly; replace address information of a Trivial File Transfer Protocol TFTP server in the first DHCP response message with address information of the convergence device, to form a second DHCP response message; and send the second DHCP response message to the CM.

Abstract: A method for transmitting upstream data in a cable network is provided. The method includes a cable modem (CM) receiving a generic service identifier (G-SID) included in a corresponding information element (IE) in a data over cable service interface specification (DOCSIS) upstream bandwidth allocation MAP message. The G-SID is a unique identifier assigned to the CM. The method includes the CM transmitting the upstream data for one or more service flows of the CM via at least a portion of the CM bandwidth allocation.

Abstract: Embodiments of the present disclosure disclose a hybrid fiber coaxial (HFC) network fault locating method and apparatus. The method includes: obtaining a fault group in an HFC network; collecting a pre-equalization coefficient of at least one cable modem (CM); enabling a reference fault point that is corresponding to the fault group and whose location is known; collecting the pre-equalization coefficient of the at least one CM again; and determining a relative distance between each fault point in the fault group and the reference fault point according to the pre-equalization coefficient collected twice. In the present disclosure, not only each fault point in a fault group including a plurality of fault points can be located, but also a fault group including only a single fault point can be located.

Abstract: A cable media converter (CMC) management method, including receiving, by a CMC controller by using a management channel, a second message packet sent by a CMC, where the second message packet has an identifier of the CMC and configuration file information of a cable modem (CM), and where the identifier of the CMC uniquely identifies the CMC, and determining, by the CMC controller according to a locally saved correspondence between an optical line terminal (OLT) and a CMC, an OLT corresponding to the CMC identified by the identifier in the second message packet, and sending the configuration file information in the second message packet to the determined OLT.

Abstract: Embodiments of the present disclosure disclose a hybrid fiber coaxial (HFC) network fault locating method and apparatus. The method includes: obtaining a fault group in an HFC network; collecting a pre-equalization coefficient of at least one cable modem (CM); enabling a reference fault point that is corresponding to the fault group and whose location is known; collecting the pre-equalization coefficient of the at least one CM again; and determining a relative distance between each fault point in the fault group and the reference fault point according to the pre-equalization coefficient collected twice. In the present disclosure, not only each fault point in a fault group including a plurality of fault points can be located, but also a fault group including only a single fault point can be located.

Abstract: An upstream bandwidth allocation method, apparatus, and system. The method includes obtaining, by a cable modem termination system (CMTS), a service flow attribute of each online cable modem (CM) of one or more online CMs, where the service flow attribute comprises at least one delay-sensitive service and a delay-insensitive service, allocating, by the CMTS, an upstream bandwidth to each online CM according to a received service request, and obtaining a remaining bandwidth that is a remaining part in a preset total bandwidth other than the upstream bandwidth that is allocated to each online CM according to the service request, allocating, by the CMTS, at least a part of the remaining bandwidth to a CM whose service flow attribute is a delay-sensitive service, and informing, by the CMTS, each online CM of the one or more online CMs of an upstream bandwidth allocation result.

Abstract: Embodiments of the present invention relate to the field of communications technologies, and disclose a resource reservation method and system, and a convergence device. The method includes: receiving, by a convergence device, a first resource reservation request message based on a format of a first interface and that is from a policy server (PS); converting, by the convergence device, the first resource reservation request message into a second resource reservation request message based on a format of a second interface; and sending, by the convergence device, the second resource reservation request message based on the format of the second interface to a modulation and demodulation system, so that the modulation and demodulation system performs resource reservation according to the second resource reservation request message.

Abstract: Embodiments of the present disclosure provide a service provisioning method in a coaxial cable system, the method comprises: a CMC receives a DHCP Ack message from a DHCP server and replaces an address of a TFTP server in the DHCP Ack message with an IP address of the CMC; the CMC sends the DHCP Ack message carrying the IP address of the CMC to the CM; and the CMC receives a request message from the CM for delivering a configuration file, acquires a configuration file corresponding to the CM, and after converting the configuration file corresponding to the CM into a format identifiable by the CM, sends the configuration file to the CM.

Abstract: A method, an apparatus, and a system for acquiring a configuration file in a data over cable service are provided. The system includes: a convergence device, a cable modem terminal system CMTS assembly, and a cable modem CM, where the convergence device is connected to the CM using the CMTS assembly. The convergence device may be configured to intercept a first DHCP response message sent by a DHCP server to the CM; acquire configuration file information of the CM from the first DHCP response message; send the configuration file information of the CM to the CMTS assembly; replace address information of a Trivial File Transfer Protocol TFTP server in the first DHCP response message with address information of the convergence device, to form a second DHCP response message; and send the second DHCP response message to the CM.

Abstract: Embodiments of the present invention relate to the field of communications technologies, and disclose a resource reservation method and system, and a convergence device. The method includes: receiving, by a convergence device, a first resource reservation request message based on a format of a first interface and that is from a policy server (PS); converting, by the convergence device, the first resource reservation request message into a second resource reservation request message based on a format of a second interface; and sending, by the convergence device, the second resource reservation request message based on the format of the second interface to a modulation and demodulation system, so that the modulation and demodulation system performs resource reservation according to the second resource reservation request message.

Abstract: Embodiments of the present disclosure provide a service provisioning method in a coaxial cable system, the method comprises: a CMC receives a DHCP Ack message from a DHCP server and replaces an address of a TFTP server in the DHCP Ack message with an IP address of the CMC; the CMC sends the DHCP Ack message carrying the IP address of the CMC to the CM; and the CMC receives a request message from the CM for delivering a configuration file, acquires a configuration file corresponding to the CM, and after converting the configuration file corresponding to the CM into a format identifiable by the CM, sends the configuration file to the CM.

Abstract: The present invention provides a Layer 2 access method, device and system on a hybrid fiber-coaxial network, where the method includes: receiving a DHCP packet of a terminal device, extracting a source MAC address and a device type from the DHCP packet, and generating a correspondence between the source MAC address and an SVLAN according to a correspondence between the device type and the SVLAN; and when a data packet of the terminal device is received, extracting the source MAC address from the data packet, obtaining the corresponding SVLAN according to the stored correspondence between the MAC address and the SVLAN, and forwarding the data packet of the terminal device according to the corresponding SVLAN.

Abstract: A joint switching method for an aggregation node, an aggregation node, and an optical network protection system including an aggregation node are provided. By monitoring information transferred between an active optical line terminal (OLT) and a broadband network gateway (BNG), the aggregation node finds a fault in time according to the monitored information and when a fault occurs, the aggregation node starts a local protection solution, enables a corresponding backup port connected to a backup OLT corresponding to the active OLT, and disables an active port connected to the active OLT. Through the method, when the active OLT is switched to the backup OLT, the aggregation node performs joint switching, which ensures normal communication.

Abstract: A joint switching method for an aggregation node, an aggregation node, and an optical network protection system including an aggregation node are provided. By monitoring information transferred between an active optical line terminal (OLT) and a broadband network gateway (BNG), the aggregation node finds a fault in time according to the monitored information and when a fault occurs, the aggregation node starts a local protection solution, enables a corresponding backup port connected to a backup OLT corresponding to the active OLT, and disables an active port connected to the active OLT. Through the method, when the active OLT is switched to the backup OLT, the aggregation node performs joint switching, which ensures normal communication.