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Method and device for optical network data transmission

A technology for optical network data and equipment, applied in the field of communication, can solve the problems of high cost, inconsistent cross granularity, complex cross scheduling implementation process, etc., and achieve the effect of reducing complexity and cost

Active Publication Date: 2013-04-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the cross-connect granularity is not uniform, and the service interface needs to be connected to different cross-connect boards, which makes the implementation process of cross-connect scheduling complicated and expensive

Method used

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  • Method and device for optical network data transmission
  • Method and device for optical network data transmission
  • Method and device for optical network data transmission

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] figure 1 It is a flowchart of a method for optical network data transmission according to an embodiment of the present invention. figure 1 The method is executed by an optical network data transmission device.

[0031] 101. Slice the data frame of the first-level synchronous transfer module STM-1 type or the first-level synchronous transfer signal STS-1 type data frame to obtain multiple cells, and the multiple cells have the same length.

[0...

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Abstract

An embodiment of the invention provides a method and a device for optical network data transmission. The method includes slicing a data frame of STM-1 (synchronous transport module level 1) type or STS-1 (synchronous transport signal level 1) to obtain a plurality of cells equal in length; and performing cross scheduling to the cells serving as cross grain size. The data frame of the STM-1 type or the STS-1 type is sliced to obtain the cells equal in length, and the cells serve as cross grain size to perform cross scheduling, so that a cross board can be shared to allow for unification of cross scheduling, complexity of cross scheduling is lowered and cost is reduced.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of communications, and more specifically, to a method and device for optical network data transmission. Background technique [0002] With the rapid growth of multimedia services, the transmission capacity and capacity of the information transmission network are required to be larger and larger. The development of optical fiber technology has greatly promoted the development of digital communication technology to meet people's demand for bandwidth. SDH (Synchronous Digital Hierarchy, Synchronous Digital Hierarchy) / SONET (Synchronous Optical Network, Synchronous Optical Network) is the main network in the optical network. SONET is a North American regional standard, and SDH is an international standard based on SONET. [0003] SDH / SONET defines a set of rates and formats for transmitting optical signals on optical fibers. STM-N (Synchronous Transport Module Level N, Nth-level synchronou...

Claims

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Application Information

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IPC IPC(8): H04J3/16
Inventor 李选林
Owner HUAWEI TECH CO LTD
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