Huawei Technologies Co., Limited

China Institute of Building Standard Design & Research

Xinping Wang

Peng Gao

Xiaoqian Wu

Jiehui Hu

Enhui Liu

Jie Yang

Guoqi Xu

Chengyong Lin

Wei Zhao

Juan Li

Yang Zheng

Yuangui Wen

Jiachen Wang

Wenbin Luo

Yongnian Huang

Bichuan Chi

The method of establishing a multicast data channel in a network virtualization system includes: creating, on a controller, a virtual remote logical interface for an external interface of a remote node; generating, a multicast tree tunnel that uses a core node as a root, and obtaining a multicast protocol packet sent by a device outside the network virtualization system; acquiring, a multicast source address and a multicast group address from the multicast protocol packet, and generating a multicast forwarding table; searching, the multicast forwarding table for an external interface of the core node, searching for an outbound interface of the multicast tree tunnel on the core node according to the multicast tree tunnel, and generating a P2MP PW forwarding table of the core node, and sending the P2MP PW forwarding table of the core node to the core node. The method implements a multicast service in a virtual cluster router.

Method and device for establishing multicast data channel in network virtualization system

The present application discloses a flow forwarding method, device, and system. The method includes: receiving, by an edge node, an intelligent routing service request packet, and the packet includes a constraint condition required for establishing the intelligent routing service; if the edge node does not find, in a flow table, a corresponding matching flow table entry of characteristic information, sending, by the edge node, a first message to a controller, where the first message includes identification information of the edge node and the characteristic information and the edge node is an ingress edge-node or an egress edge-node that receives the packet; receiving, a first flow table entry sent by the controller, where the first flow table entry is generated according to the first message and meets the constraint condition; and processing, according to the first flow table entry, a packet sent by the user side device.

Flow forwarding method, device, and system

The embodiments of the present invention relate to the field of computer networks, and disclose a method and an apparatus for processing a multicast packet. The method includes receiving a multicast packet, acquiring a local router interface corresponding to the multicast packet according to a multicast routing entry carried in the multicast packet, and forwarding the multicast packet through the acquired local router interface to a clustered routing system interface for further transfer. The embodiments of the present invention can cluster several routing devices into a virtual routing system which externally acts as a single routing node for supporting a multicast service, so as to implement the efficient and reliable forwarding of the multicast packet in a clustered routing system with virtual aggregation, and enable the clustered routing system to support the multicast service with high efficiency and quality.

Method and apparatus for processing a multicast packet

Embodiments of the present invention provide a label switching path establishment method, a data forwarding method, and a device. The establishment method includes: determining, by a first service controller, each hop on an LSP from a preset ingress to a preset egress, allocating, from first label space information of each hop, a label to each hop, determining incoming and outgoing information of each hop according to topology information of each hop, generating forwarding data of each hop, and sending the forwarding data of each hop to a node device corresponding to each hop to complete establishment of the LSP. A technical solution of the present invention can alleviate burden of a node device in an MPLS network and increase the number of LSPs that the node device is capable of supporting.

Label switching path establishment method, data forwarding method, and device

Disclosed is a method and a device for protecting service reliability, and the service reliability in the network virtualization system provided by the present disclosure may be ensured. In an embodiment of the present disclosure, a master node having a control function obtains the current service type information and notifies a slave node of the current service type information, for enabling the slave node to determine a main virtual link and a backup virtual link according to the service type information and to perform the failure detection, and when detecting that the main virtual link has failure and the backup virtual link has no failure, a service data message is switched to be transmitted on the backup virtual link, to ensure non-interrupted transmission of a service data message in a brand-new system architecture provided by the present disclosure, so as to ensure the service reliability.

Method and device for protecting service reliability and network virtualization system

A method resolves connectivity of services inside a network virtualization system when a virtual cluster system supports unicast IP, L2VPN, and L3VPN services, so that the software network virtualization system can support various types of services efficiently and with high quality. The method includes: creating, on a control device, a virtualized remote logical interface for an external interface of a remote access node; identifying, by the control device according to a service configured on the virtualized remote logical interface, a service type of the service, and generating virtual link forwarding entries of the remote access node and a core aggregation node; and sending, by the control device, the virtual link forwarding entry to the remote access node and the core aggregation node, so as to set up a virtual link between the core aggregation node and the remote access node.

Method, device, and routing system for data transmission of network virtualization

The present invention relates to a method for generating a tunnel forwarding entry and a network device. An active master node in a virtual cluster network element VNE generates, according to a preconfigured tunnel service, tunnel service information with the VNE being a single network element; the active master node determines multiple nodes through which a tunnel that corresponds to the tunnel service information passes in the VNE, and node statuses of the multiple nodes through which the tunnel passes in the VNE; and local tunnel forwarding entries are generated, according to the tunnel service information and the node statuses of the multiple nodes through which the tunnel passes in the VNE, for the multiple nodes through which the tunnel passes in the VNE.

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Beijing, China

Xinping Wang