Abstract: Disclosed are a method and apparatus for forwarding a Bit Index Explicit Replication (BIER) packet, and a storage medium. The method may include: receiving a first BIER packet generated by a third node, wherein the first BIER packet comprises a first BIER packet header and a BIER segment list, the first BIER packet header comprises first node information, and the BIER segment list comprises second node information; changing the first node information in the first BIER packet header into the second node information to obtain a second BIER packet header; and forwarding a second BIER packet corresponding to the second BIER packet header to a second node corresponding to the second node information.

Abstract: Provided are a multicast traffic transmission method and apparatus, a communication node and a storage medium. The multicast traffic transmission method includes the following. A first forwarding entry is determined, where the first forwarding entry includes Bit Indexed Explicit Replication (BIER) information of an Autonomous System Border Router (ASBR); multicast traffic is acquired; and the multicast traffic is encapsulated based on the first forwarding entry, and a BIER packet is determined and transmitted.

Abstract: Embodiments of the present disclosure provide a network logical layering method based on Routing In Fat Tree (RIFT) protocol, a network logical layering device, a network device and a storage medium. By exchanging Link Information Element (LIE) packets and Topology Information Element (TIE) packets with other devices, a network device can enable the other devices in the network to know a topology supported by the present device and to know neighbor information and Metric information of the present device in the supported topology, and the network device can also know the topologies supported by the other devices in the network and the neighbor information and the Metric information of the other devices in the corresponding topologies. Thus, the device can calculate a topology route corresponding to the topology supported thereby.

Abstract: Embodiments of the present disclosure provide a data forwarding method and apparatus, a storage medium, and an electronic device. The method includes: acquiring, by an ingress node of a Bit Indexed Explicit Replication (BIER) domain, traffic data to be forwarded of an instance; encapsulating, by the ingress node, the traffic data by using a prefix of an address of the BIER domain and an instance label of the instance; and forwarding, by the ingress node, an encapsulated packet obtained by encapsulating the traffic data to a next-hop node of the BIER domain. By the solution, the problem of low data forwarding efficiency is solved, thereby achieving the effect of improving data forwarding efficiency.

Abstract: Embodiments of the present disclosure relate to the technical field of communications, and in particular, to a forwarding method, a forwarding system, an electronic device, and a computer-readable storage medium. The forwarding method includes: acquiring a packet to be forwarded, and detecting whether the packet to be forwarded contains a preset indicator, wherein the preset indicator is used for indicating that the packet to be forwarded has a designated forwarding path; when the packet to be forwarded contains the preset indicator, acquiring information of a protocol header following a Bit Indexed Explicit Replication (BIER) header of the packet to be forwarded, wherein the information of the protocol header is at least used for indicating the designated forwarding path; determining a next hop according to the information of the protocol header; and forwarding the packet to be forwarded according to the next hop.

Abstract: Provided are a packet processing method and apparatus, and a storage medium and an electronic apparatus. The method includes: receiving a target packet from an ingress node; determining a type of a payload contained in the target packet and a start location of the payload; performing a payload parsing operation on the target packet based on the type of the payload and the start location of the payload to obtain payload data of the payload; and forwarding the payload data to a receiving end.

Abstract: A protocol processing method and apparatus, and a storage medium are provided. The method includes: carrying a leaf-transfer capability identifier in an RIFT protocol, the leaf-transfer capability identifier being configured to indicate that a first node that carries the leaf-transfer capability identifier supports other leaf nodes within a network to access the network through the first node.

Abstract: Provided are a multicast traffic transmission method and apparatus, a communication node and a storage medium. The multicast traffic transmission method includes the following. A first forwarding entry is determined, where the first forwarding entry includes Bit Indexed Explicit Replication (BIER) information of an Autonomous System Border Router (ASBR); multicast traffic is acquired; and the multicast traffic is encapsulated based on the first forwarding entry, and a BIER packet is determined and transmitted.

Abstract: Provided are a message processing method and apparatus, a device, a storage medium, and a system. The message processing method includes: multiple source group query messages respectively sent by multiple second communication nodes are received; a report message is determined based on the multiple source group query messages and a second communication node of the multiple second communication nodes is selected based on the multiple source group query messages; and the report message is sent to the selected second communication node.

Abstract: Provided are a method and device for packet forwarding. The method comprises: interface direction information and a routing table issued by a control plane are received, where a route in the routing table carries a routing direction identifier; when a packet is received from an interface, a forwarding plane determines the interface direction of an incoming interface of the packet according to the interface direction information, and determines a routing direction of the packet according to the routing direction identifier; if the interface direction of the incoming interface matches the routing direction, then the packet is forwarded; and if not, then the packet is discarded.

Abstract: Embodiments of the present disclosure provide a network logical layering method based on Routing In Fat Tree (RIFT) protocol, a network logical layering device, a network device and a storage medium. By exchanging Link Information Element (LIE) packets and Topology Information Element (TIE) packets with other devices, a network device can enable the other devices in the network to know a topology supported by the present device and to know neighbor information and Metric information of the present device in the supported topology, and the network device can also know the topologies supported by the other devices in the network and the neighbor information and the Metric information of the other devices in the corresponding topologies. Thus, the device can calculate a topology route corresponding to the topology supported thereby.

Abstract: Provided are a protocol processing method and apparatus, and a storage medium. The method includes: in a Routing In Fat Tree (RIFT), supporting an RIFT community structure to carry a Point of Delivery (PoD) field, and controlling, by a configured community structure policy, import or export of an RIFT route indicated in the PoD field.

Abstract: A protocol processing method and apparatus, and a storage medium are provided. The method includes: carrying a leaf-transfer capability identifier in an RIFT protocol, the leaf-transfer capability identifier being configured to indicate that a first node that carries the leaf-transfer capability identifier supports other leaf nodes within a network to access the network through the first node.

Abstract: Provided in embodiments of the present disclosure are a method and a device for bearing a multicast virtual private network. The method includes: assigning, by a BFIR accessing a VRF, a global VPN identifier to a multicast VRF, and carrying the global VPN identifier to notify a route to a BFER accessing the multicast VRF; after receiving a packet of the multicast VRF, encapsulating, by the BFIR, the packet with a BIER header and forwarding the packet, the forwarded packet carrying the global VPN identifier.

Abstract: The present disclosure provides an apparatus control method, device, control node, network apparatus and data center. The method comprises: receiving a control instruction; generating a Key value Topology Information Element (KV TIE) message according to the control instruction, wherein the KV TIE message comprises a control identifier (ControlID) field, a control data key (ControlDataKey) field and a control data (ControlData) field, the ControlID field is configured to indicate a control item, the ControlData field comprises a value of the control item, the ControlDataKey field comprises a common key value field, and the common key value field carries information indicating a target control object; and sending, according to the target control object, the KV TIE message to a corresponding target apparatus in a data center.

Abstract: Provided in embodiments of the present disclosure are a method and a device for bearing a multicast virtual private network. The method includes: assigning, by a BFIR accessing a VRF, a global VPN identifier to a multicast VRF, and carrying the global VPN identifier to notify a route to a BFER accessing the multicast VRF; after receiving a packet of the multicast VRF, encapsulating, by the BFIR, the packet with a BIER header and forwarding the packet, the forwarded packet carrying the global VPN identifier.

Abstract: Provided are a multicast cross-domain method, device and system, and a computer readable storage medium. The method includes: dividing nodes in each domain of a multi-domain network into a multicast proxy nodes and a common nodes; sending, by the common nodes, a subscription request to a multicast source node outside the each domain through the multicast proxy nodes in the each domain; sending, by the multicast source node, a bit indexed explicit replication (BIER) multicast message obtained through BIER encapsulation to the multicast proxy nodes; and sending, by the multicast proxy nodes, the BIER multicast message to the common nodes.

Abstract: Backup Designated Router (BDR) election and Designated Router (DR) failure processing methods and equipment are provided. When a user joins, a BDR in a subnetwork completes a preparation for forwarding multicast traffic for the user, but does not forward the multicast traffic through an interface; and when detecting that a DR in the subnetwork fails, the BDR is switched to be a DR in the subnetwork, and forwards the multicast traffic for the user through the interface.

Abstract: A method and system for reducing changes in a designated router (DR) of a protocol independent multicast (PIM) protocol are disclosed. The method includes: after a PIM device joins a shared network, an interface of the PIM device receiving a Hello message sent by other PIM device in the shared network, wherein the Hello message carries a DR address option; and the interface of the PIM device using a currently used DR address carried in the Hello message as a DR address of the interface.

Abstract: Backup Designated Router (BDR) election and Designated Router (DR) failure processing methods and equipment are provided. When a user joins, a BDR in a subnetwork completes a preparation for forwarding multicast traffic for the user, but does not forward the multicast traffic through an interface; and when detecting that a DR in the subnetwork fails, the BDR is switched to be a DR in the subnetwork, and forwards the multicast traffic for the user through the interface.