The invention discloses a virtual routing device and a routing method thereof and relates to the technical field of an internet. The device disclosed by the invention comprises programmable hardware and a host, wherein the programmable hardware is used for achieving the data packet transmission function of a data plane; the host achieves the functions of a control plane and a management plane and comprises a host control unit and a virtual machine unit; the host control unit is used for initializing the programmable hardware and the virtual machine unit and periodically updating the items in the programmable hardware; and the virtual machine unit is used for achieving the functions of processing route protocols and processing data packets, generating and updating a route table and an ARP (Address Resolution Protocol) table in real time and providing the route table and the ARP table for the host control unit. In the invention, multiple parallel virtual networks can be simultaneously supported to operate different applications; the established different virtual networks can be completely isolated and are not mutually interfered; the forwarding rate is high and can reach the linear speed; and the device provided by the invention also has the characteristics of programmable depth, flexibility in configuration and good expansibility.

Virtual routing device and routing method thereof

Multicast message transmission method in bidirectional PIM (Personal Information Management) of communication equipment and communication equipment

The invention discloses a control plane structure of a virtual routing device and a control method thereof, and relates to the technical field of Internet. The control plane structure comprises a host control unit and a plurality of virtual machine units, wherein the host control unit is used for realizing user interaction and management and control over a data plane and the virtual machine units, and periodically updating a routing table and an address resolution protocol (ARP) table in the data plane; and the virtual machine unit is used for realizing a routing protocol processing function and a data packet processing function, generating and updating the routing table and the ARP table in real time, and providing the routing table and the ARP table for the host control unit. The virtual routing device comprises programmable hardware and a host, wherein the programmable hardware is used for realizing a data plane function. By the structure and the method, a proper routing protocol can be flexibly selected according to an application scenario and stably maintained, table entries can be updated in real time, the flexible configuration of the data plane can be realized, and accurate responses can be given to the needs of a user in real time.

Control plane structure of virtual routing device and control method thereof

The present invention discloses a method for implementing centralized control plane and distributed data plane and that comprises the following steps: the main control unit of the main board generates control information and delivers it to the adaptation layer of the main board; the adaptation layer of the main board transmits the control information to the adaptation layer of the service board(s); the adaptation layer of the service board(s) delivers the control information to the data plane and hardware engine of the service board(s). The present discloses a program and system for implementing centralized control plane and distributed data plane. The present invention provides a software architecture using an adaptation layer to implement centralized control plane and distributed data plane to ensure high performance and good scalability of the new architecture, reduce system complexity, and keep system simplicity and efficiency.

Method, program, and system for implementing centralized control plane and distributed data plane

The invention provides a line card determining method and apparatus, a line card determining and processing method and apparatus and a line card determining system The determining method comprises the steps of receiving a flow table entry and/or a group table entry containing a port number and released by a controller, wherein the port number is a port number of corresponding business flow of the flow table entry and/or the group table entry; and determining a line card corresponding to the port number according to a pre-stored corresponding relation of the port numbers of the line cards and the line cards in a data forwarding device By adopting the technical scheme provided by the invention, the problem in the related art that a main control board cannot distinguish to release the flow table entry and/or the group table entry released by the controller to which specific line card to waste communication resources and line card resources, and the flow table entry and/or the group table entry is only released to the associated line card by simple mapping, so the waste problem of the communication resources and the line card resources is greatly reduced

Line card determining method and apparatus, line card determining and processing method and apparatus and line card determining system

The invention discloses a high-performance router multicast transferring meter output port virtual mark method, which is characterized by the following: the method consists of building multicast transferring meter output port virtual mark method and identifying multicast transferring meter output port virtual mark method at high speed; the invention relates to control plan of router and data plan; the router host processor assigns every router port one unique virtual port horn to form a piece of mapping meter from traditional port physical mark number to virtual port horn; the host processor generates new multicast transferring meter according to the mapping meter; the host processor sends the new multicast transferring meter and mapping meter to the slave processor; the flip network, network card and transferring engine uses hardware to distinguish virtual outlet port list according to mapping meter to realize the supports to multicast covered yarn transferring. .

Virtual identifying method for multicast forwarding table output port

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Virtual identifying method for multicast forwarding table output port