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Service transmission method, device and system

A service and service forwarding technology, applied in the field of communications, can solve problems such as high forwarding complexity and bandwidth waste

Active Publication Date: 2021-02-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The business is mapped to one or more time slots of different rate levels according to its own rate. This method of smaller slots still continues the traditional time division multiplexing technology and performs strict time slot division. Compared with 1.25G And 5G time slot granularity, although the bandwidth utilization rate is improved, there is still the problem of bandwidth waste, and the excessive number of time slots also brings high forwarding complexity

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  • Service transmission method, device and system
  • Service transmission method, device and system
  • Service transmission method, device and system

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Embodiment Construction

[0079] In order to make the purpose, technical solution and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings. The specific operation methods in the method embodiments can also be applied to the device embodiments or system embodiments.

[0080] The technical solutions provided by the embodiments of the present application are applicable to service transport networks, specifically, to optical networks, such as OTN, and to packet transport networks, such as PTN. An OTN (or PTN) is usually formed by connecting multiple OTN (or PTN) devices through optical fibers to form different topology types such as line, ring, and mesh.

[0081] On the electrical layer, the OTN frame processed by the OTN device may adopt a frame format defined by the International Telecommunication Union-Telecommunication Standard Sector (ITU-T). For example, G.709 standard and G.709.1 standard, etc., to realize int...

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Abstract

The invention discloses a service transmission method. The method comprises steps that network equipment receives a first data frame carrying a customer service, carries out the demapping of the firstdata frame, and obtains a forwarding label of the customer service; the network equipment acquires the hierarchical information of the forwarding label and determines a first field of the forwardinglabel according to the hierarchical information, the forwarding label comprises the first field and a second field, the first field indicates the forwarding direction of the customer service, the second field indicates the identifier of the customer service, and the hierarchical information is used for identifying the first field; and the network equipment forwards the customer service according to the first field. The method is advantaged in that complexity of small-particle client service forwarding can be simplified, and the bandwidth utilization rate is increased.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method, device and system for service transmission. Background technique [0002] In the current communication network, there are a large number of small-grained services, which put forward high requirements on the cross-connection capacity and the number of services of the service transmission network. In order to improve the carrying capacity of small particle services, the industry continues to explore and improve technologies. [0003] For example, in an optical transport network (OTN), time-division multiplexing technology can usually be used for data transmission, and the traditional tributary slot division method has a relatively large division granularity, which wastes bandwidth for bearer services. In order to further improve bandwidth utilization, especially for small-grained services with a rate lower than 1G, there are currently some discussion...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/723H04L45/50
CPCH04L45/50H04L45/502H04J3/1652H04J2203/0089H04J2203/0073H04J2203/0053
Inventor 李兢涛向俊凌卢庆聪
Owner HUAWEI TECH CO LTD