Method and apparatus for fixed velocity service transmission

A fixed rate and service technology, applied in the field of communication transmission, can solve the problems of unknown transmission, unable to provide unknown fixed rate service mapping, and shorten the time to provide new services

Inactive Publication Date: 2008-04-02
HUAWEI TECH CO LTD
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  • Abstract
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Problems solved by technology

[0007] It can be seen from the above description that the existing technology only targets STM-1 / STM-4 / STM-16 / STM-64 service types, and cannot provide mapping for unknown fixed-rate services. However, in order to shorten the provisioning time of new services , telecom operators need to transmit unknown fixed-rate services

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  • Method and apparatus for fixed velocity service transmission
  • Method and apparatus for fixed velocity service transmission
  • Method and apparatus for fixed velocity service transmission

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Embodiment Construction

[0034] The technical solutions of the present invention will be described below in conjunction with specific embodiments.

[0035] A diagram of a multi-channel fixed-rate service transmission system provided by the present invention is shown in FIG. 3 .

[0036] Service 1, service 2 and other services are accessed through the multi-channel interface card at the sending end, and the multi-channel interface card multiplexes and maps the multiple services to transmission frames. The transmission frame mainly includes SDH / SONET frame and OTN frame. The overhead generated by the service mapping is mapped to the overhead area of ​​the transmission frame, and the service itself is mapped to the payload area of ​​the transmission frame. The transmission frame is connected to the transmission network through the transmission device, and sent to the receiving end through the transmission network. The transmission device at the receiving end receives the transmission frame, and then the...

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Abstract

The present invention relates to the communication transmitting field, especially relates to a method which is suitable for the fixed-speed business transmitting in the transmitting system of the OTN (optical transport network) and the device. The invention judges whether the available net loading area of the transmitting frame can support the fixed-speed business by confirming the bite number of the fixed-speed business which is received in the transmitting frame period, maps the multiplex fixed-speed business distributedly to the transmitting frame, realizes the transmitting to the unknown fixed-speed business and uses the net loading area of the transmitting frame to maximum; meanwhile the invention need not analyze and process the business agreement and can realize the transparent transmitting of the business.

Description

technical field [0001] The present invention relates to the field of communication transmission, in particular to a method and device suitable for fixed-rate service transmission on a transmission system of an Optical Transport Network (OTN, Optical Transport Network). Background technique [0002] With the continuous development of the data communication market, the currently widely used SDH (Synchronous Digital Hierarchy, Synchronous Digital Hierarchy) is increasingly unsuitable for explosive data services. SDH uses time-division multiplexing technology to provide fixed-bandwidth time-division multiplexing transmission channels, mainly for voice services. It is not efficient for transmitting data services, and is not suitable for the large-scale growth of data services in the future. [0003] The optical transport network OTN (Optical transport network, optical transport network) series proposals formulated by ITU-T, the Telecommunication Standardization Department of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/16
Inventor 吴秋游
Owner HUAWEI TECH CO LTD
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