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Constant-bit-rate interface data receiving method and device for optical transport network mixed services

A fixed bit rate, optical transport network technology, applied in the field of communication, can solve problems such as implementation schemes for data reception of fixed bit rate interfaces without optical transport network services

Active Publication Date: 2014-03-26
SANECHIPS TECH CO LTD
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  • Claims
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Problems solved by technology

[0004] It can be seen that in the prior art, there is no specific implementation scheme for the fixed bit rate interface data reception of optical transport network services

Method used

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  • Constant-bit-rate interface data receiving method and device for optical transport network mixed services
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  • Constant-bit-rate interface data receiving method and device for optical transport network mixed services

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Embodiment Construction

[0055] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0056] An embodiment of the present invention provides a plug-and-play network element device online method, such as image 3 include:

[0057] Step 101: Extend the packet data received from the packet transmission network side, and the packet format of the extended packet data is adapted to the fixed bit rate interface.

[0058] Step 102: Extract overhead data from the extension package data.

[0059] Step 103: Extract the payload data from the extension packet data and cache it in the transfer register;

[0060] Step 104: Obtain an output control signal according to the overhead data.

[0061] Step 105: Read the payload data according to the output control signal, and output it according to the transmission frame format of the OTN...

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Abstract

The invention provides a constant-bit-rate interface data receiving method and device for optical transport network (OTN) mixed services, and aims to solve the problem of the absence of a specific scheme for realizing OTN service transmission between an optical network and a PTN (Packet Transport Network) in the prior art. The method comprises the following steps: extending packet data received from a PTN side, wherein the packet format of the extended packet data is adaptive to a constant-bit-rate interface; extracting overhead data from the extended packet data; extracting payload data from the extended packet data and caching the payload data in a shift register; acquiring an output control signal according to the overhead data; reading the payload data according to the output control signal; outputting according to the transmission frame format of the OTN. In the method, the output control signal is obtained by extracting the overhead data in the packet data, and the frame-format data of the OTN are output according to the output control signal, so that service transmission between the optical network and the PTN is realized.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for receiving fixed bit rate interface data of mixed services of an optical transport network. Background technique [0002] The bearer network market requires rapid growth in bandwidth, and core routers have or will launch 100GE ports, so 100G is a clear development direction. To realize data exchange of OTN (Optical Transport Network, Optical Transport Network) equipment, an efficient serial interface is required. Serial link technology increases device interconnection bandwidth for advanced communication devices. Interlaken is an interconnection protocol optimized for high bandwidth and reliable packet transmission. The protocol uses multiple serial links to establish a logical connection between devices and leverages multiple lanes, backpressure capability, and data integrity protection to enhance the performance of communicating devices. [0003...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J3/16H04L12/70
Inventor 王文青汪学平李应飞邹超凡周杨
Owner SANECHIPS TECH CO LTD
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