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Virtual concatenation transmission method and system

A transmission method and technology of virtual concatenation, applied in the field of optical communication network, can solve the problem that user services with ultra-large bandwidth cannot be loaded into the same, and achieve the effect of reducing the frequency of clock processing

Inactive Publication Date: 2009-12-16
ZTE CORP
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  • Claims
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Problems solved by technology

[0009] The present invention is proposed in view of the problem in the related art that user services with ultra-large bandwidth cannot be loaded into the same virtual container group. Therefore, the main purpose of the present invention is to provide a virtual concatenation transmission method and system to solve the above problems at least one

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  • Virtual concatenation transmission method and system
  • Virtual concatenation transmission method and system

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[0039] Functional Overview

[0040] Considering the problem in the related art that a single user service with ultra-large bandwidth cannot be loaded into the same virtual container group, the present invention proposes a virtual concatenation transmission method and system. Split into multiple sub-data streams, load each sub-data stream into a corresponding virtual container group, map each virtual container group into a corresponding first STM frame, and then convert the obtained group of first STM Frames are sent to the sink. According to the present invention, the effect of virtual concatenated transmission of a single service with ultra-large bandwidth can be realized at a relatively low clock frequency.

[0041] method embodiment

[0042] According to an embodiment of the present invention, a virtual concatenated transmission method is proposed, including: splitting the data stream at the source end into multiple sub-data streams; loading each sub-data stream into a corr...

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Abstract

The invention provides a virtual concatenation transmission method and system, wherein the virtual concatenation transmission method comprises: splitting data stream from a source terminal to a plurality of data stream; respectively loading each sub-data stream to a corresponding virtual container set; respectively mapping each virtual container set to a corresponding STM frame of a first synchronous transmission module; and transmitting a set of STM frames to a destination terminal. The virtual concatenation transmission method and system solve the problem that single user service with ultralarge bandwidth can not be loaded into an identical virtual container set, further achieve the effect of realizing virtual concatenation transmission of single user service with ultralarge bandwidth under lower clock frequency.

Description

technical field [0001] The present invention relates to the technical field of optical communication networks, in particular to a virtual concatenation transmission method and system. Background technique [0002] With the development of modern data communications, network operators are faced with the transmission requirements of ultra-high-speed and ultra-large-capacity services. This ultra-large capacity is not only the total capacity of transmission on the network, but also includes a single large-bandwidth access unit for large customers. Super capacity of user business. [0003] SDH (Synchronous Digital Hierarchy, Synchronous Digital System) signals are transmitted in the form of a Synchronous Transport Module (STM: Synchronous Transport Module), with a unified and standardized rate. The SDH standard rate recommended by ITU-T G.707 is as follows: figure 1 As shown, STM-1 is 155Mbit / s, and STM-256 is 40Gbit / s. The SDH STM-N frame structure suggested by G.707 is as foll...

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Application Information

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IPC IPC(8): H04J3/16H04L12/56
Inventor 张思栋
Owner ZTE CORP
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