Abstract: A data packet transmission method and a border routing bridge device, where the method includes receiving, by a first border routing bridge device of a first area, a first data packet sent by a border routing bridge device of a second area to the first area, determining, a device identifier group of the second area according to the first data packet, determining, from the device identifier group of the second area, according to the first data packet, a device identifier of a border routing bridge device used to forward a return data packet sent by the target device to the source device, and sending, by the first border routing bridge device, a second data packet carrying the determined device identifier to the target device, where the determined device identifier is used as a source routing bridge device identifier of the second data packet.

Abstract: Embodiments of the present invention provide a traffic switching method and apparatus. The method includes: establishing a mapping relationship between a performance parameter of a network and a forwarding node switching sequence, where the performance parameter of the network includes link usage rate before switching and link usage rate after switching; when traffic switching needs to be performed, obtaining a current performance parameter of the network, and determining, according to the mapping relationship, a switching sequence corresponding to the current performance parameter; and delivering a switching instruction to forwarding nodes according to the switching sequence, so as to control the forwarding nodes to sequentially perform traffic switching. In this way, traffic switching can be systematically implemented, thereby effectively avoiding a link congestion phenomenon in a switching process, and ensuring network performance.

Abstract: A data packet transmission method and a border routing bridge device, where the method includes receiving, by a first border routing bridge device of a first area, a first data packet sent by a border routing bridge device of a second area to the first area, determining, a device identifier group of the second area according to the first data packet, determining, from the device identifier group of the second area, according to the first data packet, a device identifier of a border routing bridge device used to forward a return data packet sent by the target device to the source device, and sending, by the first border routing bridge device, a second data packet carrying the determined device identifier to the target device, where the determined device identifier is used as a source routing bridge device identifier of the second data packet.

Abstract: A traffic distribution method and apparatus in a hybrid access network, where the method includes transmitting, by a hybrid access aggregation point (HAAP), probe traffic using a second tunnel after determining that a first tunnel is congested when user traffic is transmitted over the first tunnel, obtaining, by the HAAP, a status of the first tunnel and a status of the second tunnel, determining, by the HAAP according to the status of the first tunnel and the status of the second tunnel, whether the status of the first tunnel and the status of the second tunnel meet an offloading condition, and transmitting, by the HAAP, the user traffic using the first tunnel and the second tunnel after determining that the status of the first tunnel and the status of the second tunnel meet the offloading condition.

Abstract: An embodiment of a Network Virtualization Edge (NVE) device for transmitting packets receives a packet including a source address and a destination address. The NVE device obtains an active-active access configuration information list including a first entry and a second entry, where the first entry includes an identifier of a first active-active group, a Virtual Network Instance (VNI), and an identifier of the NVE device, and the second entry includes an identifier of a second active-active group, a VNI, and identifiers of at least two NVE devices that belong to the second active-active group. The NVE device obtains the VNI according to the identifier of the NVE device, searches for one active-active group corresponding to the VNI, selects a second NVE device from the at least two NVE devices; and encapsulates the packet using an identifier of the second NVE device and the VNI, and sends the packet.

Abstract: The present invention provides a method, a device, and a system for determining a GRE tunnel identifier, applied to a scenario in which there are at least two GRE tunnels between a HAG and HCPE and the at least two GRE tunnels are bonded. The method includes: receiving, by the HAG, a service packet that is sent by the HCPE through a first GRE tunnel, where the service packet includes a source IP address of the first GRE tunnel carrying the service packet, and the first GRE tunnel is one of the at least two GRE tunnels; and looking up, by the HAG, a correspondence table according to the source IP address of the first GRE tunnel, to determine a tunnel identifier of the first GRE tunnel carrying the service packet, where the correspondence table includes a correspondence between the source IP address of the first GRE tunnel and the tunnel identifier of the first GRE tunnel.

Abstract: A method for distributing transmission path information, including: distributing, by a first routing bridge which stores a MAC address of a host on a local link, transmission path information of the host on the local link to a remote routing bridge of a non-local link, the transmission path information including the MAC address of the host on the local link and identification information of a second routing bridge, so that the remote routing bridge learns the transmission path information from the first routing bridge. The present application further provides corresponding routing bridges. The present application may enable the remote routing bridge to timely learn the transmission path information of the host under the condition that a data packet sent by the host is not received, so as to send data to the host according to a new transmission path.

Abstract: A method for distributing transmission path information, including: distributing, by a first routing bridge which stores a MAC address of a host on a local link, transmission path information of the host on the local link to a remote routing bridge of a non-local link, the transmission path information including the MAC address of the host on the local link and identification information of a second routing bridge, so that the remote routing bridge learns the transmission path information from the first routing bridge. The present application further provides corresponding routing bridges. The present application may enable the remote routing bridge to timely learn the transmission path information of the host under the condition that a data packet sent by the host is not received, so as to send data to the host according to a new transmission path.

Abstract: A data packet transmission method and a border routing bridge device, where the method includes receiving, by a first border routing bridge device of a first area, a first data packet sent by a border routing bridge device of a second area to the first area, determining, a device identifier group of the second area according to the first data packet, determining, from the device identifier group of the second area, according to the first data packet, a device identifier of a border routing bridge device used to forward a return data packet sent by the target device to the source device, and sending, by the first border routing bridge device, a second data packet carrying the determined device identifier to the target device, where the determined device identifier is used as a source routing bridge device identifier of the second data packet.

Abstract: The present invention discloses a sleeping link waking method and apparatus, and relates to the field of communications network technologies, which can automatically wake a sleeping link in a timely manner according to an actual load condition of a network, and reduce labor maintenance costs. According to embodiments of the present invention, a first router receives a first LSP packet sent by a management router, where the first LSP packet includes a first TLV, and the first TLV is used to determine a sleeping link to be woken; the first router determines, according to the first TLV, the sleeping link to be woken; and the first router wakes the sleeping link. The solutions provided by the embodiments of the present invention are suitable to be used to wake a sleeping link.

Abstract: An embodiment of a Network Virtualization Edge (NVE) device for transmitting packets receives a packet including a source address and a destination address. The NVE device obtains an active-active access configuration information list including a first entry and a second entry, where the first entry includes an identifier of a first active-active group, a Virtual Network Instance (VNI), and an identifier of the NVE device, and the second entry includes an identifier of a second active-active group, a VNI, and identifiers of at least two NVE devices that belong to the second active-active group. The NVE device obtains the VNI according to the identifier of the NVE device, searches for one active-active group corresponding to the VNI, selects a second NVE device from the at least two NVE devices; and encapsulates the packet using an identifier of the second NVE device and the VNI, and sends the packet.

Abstract: Embodiments of the present invention provide a traffic switching method and apparatus. The method includes: establishing a mapping relationship between a performance parameter of a network and a forwarding node switching sequence, where the performance parameter of the network includes link usage before switching and link usage after switching; when traffic switching needs to be performed, obtaining a current performance parameter of the network, and determining, according to the mapping relationship, a switching sequence corresponding to the current performance parameter; and delivering a switching instruction to forwarding nodes according to the switching sequence, so as to control the forwarding nodes to sequentially perform traffic switching. In this way, traffic switching can be systematically implemented, thereby effectively avoiding a link congestion phenomenon in a switching process, and ensuring network performance.

Abstract: This application provide a method for determining an energy-efficient route, and relate to the communications field. The method includes: acquiring a topology structure, a starting node, a target node, and traffic data of a network, where the traffic data includes a record of traffic among all nodes on the network; and calculating, according to the topology structure and the traffic data of the network by using an integer linear programming algorithm, an energy-efficient route between the starting node and the target node and reserved bandwidth corresponding to the energy-efficient route.

Abstract: A Hybrid Access (HYA) network for communicating between a Hybrid Access Gateway (HAG) and a Hybrid Access Customer Premises Equipment (HCPE) using a fixed wired connection and a wireless connection is presented. The HAG demultiplexes messages of bonded Generic Routing Encapsulation (GRE) tunnels using a bonding key value, which is provided to the HCPE during bonded tunnel establishment. Communications through the bonded tunnels insert at least a portion of the bonding key value in a GRE Header, using the different bonding key values for the fixed wired connection and the corresponding wireless connection. The HAG groups messages from multiple connections of multiple HCPEs using the bonding key value in the GRE Header.

Abstract: A first node implemented in a hybrid access network is provided. The first node comprises a receiver configured to receive instructions to implement flow-based distribution, a processor coupled to the receiver and configured to generate a first control message instructing the flow-based distribution, and a transmitter coupled to the processor and configured to transmit the first control message to a second node in the hybrid access network.

Abstract: In an embodiment, the disclosure includes an apparatus comprising a data store which comprises cost data associated with use of a path in a communications network. The data store also comprises power consumption data associated with the use of the path. The apparatus further comprises at least one processor configured to determine a score for the path based on the cost data and the power consumption data. The disclosure also includes an apparatus comprising a path computation element (PCE) configured to receive data from a plurality of network elements (NEs). The data comprises cost and power consumption data for establishing a path between a plurality of the NEs. The PCE is configured to determine a score for the path based on the cost and power consumption data.

Abstract: The present invention discloses a sleeping link waking method and apparatus, and relates to the field of communications network technologies, which can automatically wake a sleeping link in a timely manner according to an actual load condition of a network, and reduce labor maintenance costs. According to embodiments of the present invention, a first router receives a first LSP packet sent by a management router, where the first LSP packet includes a first TLV, and the first TLV is used to determine a sleeping link to be woken; the first router determines, according to the first TLV, the sleeping link to be woken; and the first router wakes the sleeping link. The solutions provided by the embodiments of the present invention are suitable to be used to wake a sleeping link.

Abstract: This application provide a method for determining an energy-efficient route, and relate to the communications field. The method includes: acquiring a topology structure, a starting node, a target node, and traffic data of a network, where the traffic data includes a record of traffic among all nodes on the network; and calculating, according to the topology structure and the traffic data of the network by using an integer linear programming algorithm, an energy-efficient route between the starting node and the target node and reserved bandwidth corresponding to the energy-efficient route.

Abstract: A method for distributing transmission path information, including: distributing, by a first routing bridge which stores a MAC address of a host on a local link, transmission path information of the host on the local link to a remote routing bridge of a non-local link, the transmission path information including the MAC address of the host on the local link and identification information of a second routing bridge, so that the remote routing bridge learns the transmission path information from the first routing bridge. The present application further provides corresponding routing bridges. The present application may enable the remote routing bridge to timely learn the transmission path information of the host under the condition that a data packet sent by the host is not received, so as to send data to the host according to a new transmission path.

Abstract: A method for managing a MAC address entry in a TRILL network is disclosed. A first routing bridge obtains a TCN message through a switch connected to the first routing bridge. The first routing bridge clears a MAC address entry of the first routing bridge taking the first routing bridge as an egress bridge and sends a LSP packet to a second routing bridge in the TRILL network, so as to enable the second routing bridge to clear a MAC address entry of the second routing bridge taking the first routing bridge as the egress bridge. The second routing bridge and the first routing bridge are located in the same VLAN.