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Slicing method for data frames and optical network unit

A technology of optical network unit and data frame, which is applied in data exchange through path configuration, optical fiber transmission, electrical components, etc., can solve the problems of low bandwidth utilization rate and inflexible method, and achieve the effect of improving bandwidth utilization rate

Inactive Publication Date: 2010-01-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the method of slicing data frames with a fixed slice length is not flexible enough, which may lead to low bandwidth utilization

Method used

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  • Slicing method for data frames and optical network unit
  • Slicing method for data frames and optical network unit
  • Slicing method for data frames and optical network unit

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Embodiment Construction

[0012] The embodiment of the present invention provides a data frame slicing method and an optical network unit. The ONU obtains the parameter group, which includes the available bandwidth of the Gigabit passive optical network upstream transmission container TCONT, the remaining frame length of the data frame to be processed, and the data frame length of the TCONT buffer; further obtain the minimum parameter in the parameter group to The minimum parameter is used as the slice length to slice the data frame to be processed; if the minimum parameter is the remaining frame length of the data frame to be processed, the remaining frame length of the data frame to be processed is used as the slice length to slice the data frame to be processed; if the minimum parameter is TCONT The data frame length of the buffer is sliced ​​with the data frame length of the TCONT buffer as the slice length.

[0013] Please refer to figure 2 , Is a flow chart of the ONU sending a GEM frame according ...

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Abstract

The invention discloses a slicing method of data frame that comprises: obtaining parameter group, said parameter group includes useable bandwidth of Gigabit-capable passive optical network up-bound transmission container TCONT, length of remained frame of data frame which is to be processed and length of data frame of TCONT buffer; Obtaining the minimum parameter of said parameter group, said minimum parameter is as the length of slicing to slice said data frame which is to be processed. Correspondingly, the invention discloses light network unit further. The invention can realize the flexible slicing for data frame, and increase the utilization rate of bandwidth.

Description

Technical field [0001] The present invention relates to data frame slicing technology, in particular to a slicing method and optical network unit of a gigabit passive optical network uplink service data frame. Background technique [0002] With the promotion of broadband services, Gigabit-capable Passive Optical Networks (GPON) have developed rapidly; compared with point-to-point optical access, GPON central office uses a single optical fiber, which can be divided into data Ten optical fibers connect users, and GPON technology greatly reduces network construction costs. Please refer to figure 1 , Is a schematic diagram of the GPON system. The GPON system is composed of three parts: an optical line terminal 101 (Optical Line Termination, OLT), an optical splitter 102, and an optical network unit / optical network terminal 103 (Optical Network Unit, ONU / Optical Network Termination, ONT). The OLT 101 provides a network side interface (SNI) for the GPON system, and is connected to th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04B10/12H04L12/28H04B10/25
Inventor 宋奇刚王万万匡雄才杨长雷潘文李明月
Owner HUAWEI TECH CO LTD