Traffic control method of Gbit passive optical network system

A flow control and rate control technology, applied in the field of flow control in gigabit passive optical network systems, can solve problems such as the inability to meet the diversification of different users, and achieve rich and flexible flow control methods, high precision, and full use of the network. The effect of bandwidth

Inactive Publication Date: 2007-11-28
ZTE CORP
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  • Abstract
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  • Claims
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Problems solved by technology

Therefore, only relying on the T-CONT flow control method for flow control cannot meet the diverse needs of different users

Method used

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  • Traffic control method of Gbit passive optical network system
  • Traffic control method of Gbit passive optical network system
  • Traffic control method of Gbit passive optical network system

Examples

Experimental program
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Embodiment 1

[0095]In the GPON system of this embodiment, the maximum number of ONUs connected to each PON port on an OLT side is 64, and the maximum value of GEM PORT or VLAN ID included in each ONU is 4095 . Among them, different GEMPORT or VLAN IDs are used to identify different users and different service types.

[0096] As shown in FIG. 3, the method for flow control in the GPON system of this embodiment includes the following steps:

[0097] Step 201: Pre-set a flow control type configuration table (TafficControlType[i], i<64) on the OLT line card for each ONU connected to each PON port, and an upstream flow control rate configuration table (TrafficControlRate[ i][j], i<64, j<4095).

[0098] Among them, i represents: the ONU connected to each PON port of an OLT, the maximum value is 64; j represents: the VLAN or GEM PORT value included in each ONU, and the maximum value is 4095, such as TrafficControlRate[2][ 3] Represents: the third GEM PORT or VIAN ID corresponding to the current secon...

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Abstract

This invention discloses a method for flow control in a gigabit passive optical network including the following steps: setting configuration lists of flow control kind and flow control rate on a device of GPON system, looking up the configuration list of flow control kind after the device gets a data frame to get service kind information corresponding to its ID information in said data frame and selecting a flow control mode corresponding to the service kind information to control flows.

Description

Technical field [0001] The present invention relates to flow control technology, in particular to a method for flow control in a Gigabit-capable Passive Optical Network (GPON, Gigabit-capable Passive Optical Network) system. Background technique [0002] With the continuous emergence of new services, users' requirements for bandwidth are increasing. In order to achieve high-speed, broadband and intelligent access networks, various access technologies are emerging one after another. Current access technologies include various methods such as local area network (LAN) access, digital subscriber line (xDSL) access, cable modem (Cable Modem) access, power line Internet access (PLC), and optical access. Among them, the most promising access technology is optical access. Passive optical network (PON) system, as a leader in optical access methods, can achieve comprehensive access to multiple services such as voice, data, and video through a single platform, and has the advantages of easy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04L12/56H04L12/28H04L12/801
Inventor 周峰轮
Owner ZTE CORP
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