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Service data transmission method and device

A technology of service data and transmission method, applied in the field of communication, can solve the problems of high cost, separate packet service and circuit service, etc., and achieve the effect of reducing implementation cost and ensuring jitter performance.

Inactive Publication Date: 2010-12-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the existing MSTP platform based on SDH / SONET technology has multi-service processing capabilities, the existing MSTP platform uses separate switching networks for packet services and circuit services, so the cost is relatively high

Method used

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

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Experimental program
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Effect test

Embodiment 1

[0047] Embodiment one: image 3 , Figure 4 with Figure 5 A specific embodiment based on GFP encapsulation is described.

[0048] Such as Figure 4 with Figure 5 In the described network scenario, node 401 and node 405 are edge nodes for up and down services, and the transmission of service data between node 401 and node 405 will pass through multiple intermediate nodes, namely node 402, node 403 and node 404. Here it is assumed that the links between node 402 and node 403 and between node 403 and node 404 are microwave links. After the service data is encapsulated into a service data unit carrying label information at the upper service node, it is switched to the egress port through the switching network according to the label information, and multiple service data units at the egress port will be encapsulated into a large block multiplex frame structure, the continuously formed multiplex frames will be periodically sent out on the outbound interface; after the intermedi...

Embodiment 2

[0060] Embodiment two: Image 6 , Figure 7 with Figure 8 A specific embodiment based on MPLS / PWE3 encapsulation is described.

[0061] Such as Figure 7 with Figure 8 In the described network scenario, node 701 and node 705 are edge nodes, that is, nodes for up and down business, and the transmission of business data between node 701 and node 705 will pass through multiple intermediate nodes, namely node 702, node 703 and node 704. It is assumed here that the links between node 702 and node 703 and between node 703 and node 704 are microwave links. Take the transfer of service data from node 701 to node 705 as an example. After the service data is encapsulated into a service data unit carrying label information at the upper service node, it is switched to the egress port through the switching network according to the label information, and multiple service data units at the egress port will be encapsulated into a large block multiplex frame structure, the continuously...

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Abstract

The embodiment of the invention discloses a service data transmission method and a device. The service data transmission method comprises the following steps: obtaining pre-configured time slot resource information of a switching network for service; obtaining a service data unit which carries a service identifier; determining time slot resources of the switching network of the service data unit according to the service identifier and the pre-configured time slot resource information of the switching network for the service; and sending the service data unit to the switching network in the corresponding time slot according to the determined time slot resources of the switching network. A transmitting node in the scheme pre-configures the time slot resources of the switching network for the service, and the service can be sent according to the service identifier carried in the service data unit and the pre-configured time slot resources of the switching network for the service after obtaining the service data unit. The application of the technical scheme provided by the embodiment of the invention can effectively ensure the jitter performance of the service.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a service data transmission method and device. Background technique [0002] With the development of wireless technologies such as 3G, the interface of wireless base stations is gradually transitioning from the E1 interface in the 2G era to FE and GE interfaces, and the service type is also gradually transitioning from circuit services to packet services. However, in actual networks, traditional circuit services will still exist for a long time, and the transmission network must be able to support both circuit services and packet services. Compared with packet services, circuit services are usually more sensitive to jitter, and care should be taken to ensure the jitter performance of the service during processing . [0003] The wireless backhaul network includes both optical network and microwave network, which together realize the backhaul of mobile services. Microwave ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04B10/12
CPCH04L49/00H04L49/206
Inventor 龙昊李昆
Owner HUAWEI TECH CO LTD
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