Service transmission method and device

A business and node technology, applied in the field of communication, can solve a large number of problems such as manual configuration, save labor and time costs, and facilitate the establishment of business channels

Inactive Publication Date: 2020-03-10
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a service transmission method and device to at least solve the problem of requiring a large number of manual configurations in IP RAN network service channels in the related art

Method used

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  • Service transmission method and device
  • Service transmission method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] This embodiment takes the node insertion situation as an example to describe in detail, taking Figure 4 The network structure shown is taken as an example. When a new device is connected to the network, how to create and open a label forwarding channel by extending the OSPF protocol to realize the plug-and-play function of the device:

[0066] S2, in the Ethernet unnumbered interface network, when an A1 access node just joins such as Figure 4In the shown IP RAN network, node A1 will automatically form a management loopback IP address based on the router ID, bridge MAC, and system serial number configured by default on the original device, start the OSPF protocol process of this node by default, and set the DCN VRF (4094) and point-to-point (P2P for short) port types; for the unique tunnel information allocated by this node, it can be automatically allocated through the network management DCN channel or issued by the controller;

[0067] S4, node A1 starts the OSPF pr...

Embodiment 2

[0073] This embodiment takes the node deletion situation as an example to describe in detail, Figure 7 is a schematic diagram of automatically establishing a forwarding channel for deleting a node label according to a preferred embodiment of the present invention, with Figure 7 The structural diagram shown is an example, describing how other nodes re-establish the label forwarding channel when A1 on the IP RAN network fails or loses power;

[0074] S2, when node A1 fails or loses power, the adjacent nodes A2 and A4 on both sides of A1 will detect that the connection of A1 is lost, and delete the Router ID, management IP address and all information of A1 node from the adjacent node information database. Assigned labels and other information, and change the routing table information, such as Figure 7 In the routing table information on node A2, change the next hop information to the destination node B from A1 to A4, and send the changed routing information to its new neighbo...

Embodiment 3

[0079] In this embodiment, the label allocation situation is taken as an example for detailed description. Figure 8 is a schematic diagram of the node forwarding label allocation process according to a preferred embodiment of the present invention, with Figure 8 The example shown in the figure briefly describes the process of how IP RAN network nodes allocate unique MPLS labels in the entire network;

[0080] S2, for Figure 8 For A1, A2, A3 and aggregation node B, after opening the DCN management channel of each node, the NMS network management system, through the DCN channel, encapsulates the unique identification information such as MPLS label or VLAN allocated by each node into an IP In the message, it is sent to each node for distribution through the standard Ethernet frame;

[0081] S4, if the centralized distribution method of the controller is adopted, such as Figure 8 As shown, the controller can respectively configure unique forwarding labels or identifiers for...

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Abstract

The present invention discloses a service transmission method and device, wherein the method includes: a first node generates a routing forwarding table to reach other nodes according to the entire network topology, and according to the destination node address in the routing forwarding table and the node A tunnel forwarding table is established for the corresponding tunnel ID; the first node performs service transmission according to the tunnel ID on the service message and the tunnel forwarding table. Through the present invention, the problem of requiring a large number of manual configurations in the IP RAN network service channel in the related art is solved, and the device plug-and-play function is realized, which greatly facilitates the establishment of the service channel of the IP RAN network, and saves the manual configuration. labor and time costs.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a service transmission method and device. Background technique [0002] In the current IP-based wireless access network (Internet Protocol Radio Access Network, referred to as IPRAN) network service channel configuration and establishment, the address of each port on the node is mainly configured or set manually or through network management, and each The interior gateway protocol (Interior Gateway Protocol, referred to as IGP) is started on the node to learn the network topology, and the optimal path is calculated according to the routing algorithm, and then the service is established through routing signaling protocols such as the Label Distribution Protocol (abbreviated as LDP) channel; or statically configure a service channel between each access node and aggregation node on the IP RAN network manually or by network management; with the expansion of the network scale, espec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/751H04L45/02
CPCH04L12/46
Inventor 刘国满曲延锋廖婷
Owner ZTE CORP
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