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Device for realizing multipath multiple data service aggregated transmission and its method

A data service and service technology, applied in the field of communication transmission network, can solve the problem of bandwidth utilization reduction, achieve the effects of easy maintenance and management, improve bandwidth utilization, and omit the framing process

Active Publication Date: 2010-05-12
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a device and method for realizing aggregation and transmission of multi-channel and multiple data services, which overcomes the need to first map the multi-channel multi-rate data services in the prior art when accessing the OTN network To SDH, use the virtual container of SDH to distinguish the channel, resulting in the disadvantage of lower bandwidth utilization, use GFP to distinguish the channel to directly map the GFP frame to the OTN frame structure, and realize the dynamic control of the service change of the data service accessing the OTN network

Method used

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  • Device for realizing multipath multiple data service aggregated transmission and its method
  • Device for realizing multipath multiple data service aggregated transmission and its method
  • Device for realizing multipath multiple data service aggregated transmission and its method

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Embodiment Construction

[0047] Such as figure 1As shown, it is a functional structure diagram of the device according to the embodiment of the present invention. The device for realizing the configurable hybrid aggregation of data services by using GFP described in this embodiment is composed of 5 parts: configurable data service encoding unit 11-1n, rate adaptive Configuration unit 21-2n, GFP mapping convergence / demapping deconvergence unit 3, OTN mapping / demapping unit 4 and GFP management frame insertion / extraction unit 51-5n, wherein GFP management frame insertion / extraction unit 51-5n does not need to be established GFP management channel does not need to be configured.

[0048] The data service encoding unit 11-1n can be configured to realize the access of multiple rate data services and complete the encoding and decoding of service line code patterns;

[0049] The rate adaptation unit 21-2n completes the rate adaptation process of the access data service, eliminates the frequency difference o...

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Abstract

The invention relates to a device for realizing multi-path different data service integrated transmission, and relative method, wherein said device comprises: a data service code distribute unit for decoding the code based on accessed data service type and transforming it into the code that recognized by the general frame forming process, or transforming the code that recognized by the general frame forming process into the accessed data service type; a speed adapt unit for adapting the data service speed and the frame forming speed of general frame forming speed; a general frame forming process projection collection / de-projection de-collection unit for realizing the projection / de-projection and collection / de-collection of multi-path different data services; an optical transmission projection / de-projection unit for projecting the frame of general frame forming process into the optical transmission network or de-projecting. The invention can save the optical fiber source, improve the bandwidth utilization and support the maintenance and management of network via building the internal personal communication channel.

Description

technical field [0001] The present invention relates to the technical field of communication transmission network, in particular to a device and method for realizing the hybrid convergence of multi-channel and various data services and then transmitting through the optical transmission network. Background technique [0002] With the development of communication networks, more and more data services need to be directly connected to the DWDM (Dense Wavelength Division Multiplexing) network for transmission. Different from each other, such as GE (Gigabit Ethernet) service, the rate is 1.25Gbps, and the frame structure meets the requirements of the IEEE (Institute for Electrical and Electronics Engineers) 802.3 standard, while the FC (Fiber Channel) service rate is 1.0625 Gbps, the frame structure meets the ANSI (American National Standard for Information System) X3.293y1994 standard. [0003] In order to solve the problem of simultaneous access of multiple services, ITU-T (Int...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/00H04L12/56H04J14/02
CPCH04J3/1652H04J3/1658
Inventor 李卓毅安靖江培华
Owner ZTE CORP
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