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A multi-channel service transmission and reception method and device

A technology for multi-channel services and services, applied in the field of optical communication, can solve the problem of inability to realize customized mapping and transmission of multi-channel services, and achieve the effect of improving bandwidth utilization.

Active Publication Date: 2020-06-26
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The embodiment of the present invention provides a method and device for multi-channel service transmission and reception to solve the problem that ODUflex can only face single-channel services and cannot realize customized mapping transmission of multi-channel services

Method used

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  • A multi-channel service transmission and reception method and device
  • A multi-channel service transmission and reception method and device
  • A multi-channel service transmission and reception method and device

Examples

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Comparison scheme
Effect test

example 1

[0219] Example 1, the traffic size of the first channel service is 3Gbit / s, and the traffic size of the second channel service is 2Gbit / s. Therefore, the number of time slots can be set to 5, and the rate of time slots can be set to 1Gbit / s. The slot group framing is PTSG-5.

[0220]Optionally, calculate the proportional relationship between traffic volumes for M channels of business according to the traffic sizes corresponding to M channels, and determine the number of time slots n and the time slots included in the programmable time slot group frame according to the traffic sizes and proportional relationships corresponding to M channels. Gap rate.

example 2

[0221] Example 2, the traffic size of the first line of business is 1Gbit / s, and the traffic size of the second line of business is 1.8Gbit / s. If the solution similar to the above is still adopted at this time, the number of time slots is set to 3, and the time slot rate is set to If it is 1Gbit / s, it will cause a certain waste of resources for the second line of business. At this time, the proportional relationship between the traffic size of the first line of business and the traffic volume of the second line of business can be calculated, which is 5:9. The number of time slots is set to 14, the time slot rate is set to 0.2Gbit / s, and the programmable time slot group frame is PTSG-14, so that resources can be effectively used.

[0222] It should be noted that the above method is only an optional solution, and multiple factors need to be considered comprehensively when determining the number n of time slots and the rate of time slots.

[0223] Then, the number of time slots r...

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Abstract

A multi-service transport and receiving method and apparatus are provided. The method includes: obtaining mapping transport control information of M services; determining a mapping procedure of the M services; and mapping the M services to a variable optical payload unit according to the mapping procedure. Therefore, a transport solution can be flexibly customized based on a transport requirement of a client service, so that a data plane becomes programmable.

Description

technical field [0001] The invention relates to the technical field of optical communication, in particular to a multi-channel service transmission and reception method and device. Background technique [0002] At present, OTN (Optical transport network, optical transport network) is the core technology of the transport network, including the technical specifications of the electrical layer and the optical layer, and has rich OAM (Operation Administration and Maintenance, operation, management and maintenance), powerful TCM (Tandem Connection Monitoring (tandem connection monitoring) capability and out-of-band FEC (Forward Error Correction, forward error correction) capability can realize flexible scheduling and management of large-capacity services. [0003] At the electrical processing layer, OTN technology defines a standard encapsulation structure for mapping various customer services, enabling management and monitoring of customer signals. OTN frame structure such as ...

Claims

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Application Information

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IPC IPC(8): H04J3/16
CPCH04J3/1664H04J2203/0012H04J2203/0057H04J2203/0071H04Q11/0062
Inventor 苏伟维塞斯马腾
Owner HUAWEI TECH CO LTD
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