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Apparatus and method for constructing management communication network and signaling communication network

A communication network and management information technology, applied in the field of devices for constructing management communication networks and signaling communication networks

Inactive Publication Date: 2011-05-04
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, the construction of out-of-band DCN also requires additional network construction costs

Method used

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  • Apparatus and method for constructing management communication network and signaling communication network
  • Apparatus and method for constructing management communication network and signaling communication network
  • Apparatus and method for constructing management communication network and signaling communication network

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Embodiment Construction

[0028] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] Currently commercialized ASON is basically based on SDH technology. SDH network management technology is relatively mature, and ASON equipment manufacturers mainly use traditional SDH network management system as the main body in network management system design. SDH network management system generally adopts DCC R As the physical layer of the Embedded Control Channel (ECC), conveys operation, management and maintenance information. When designing ASON DCN, if the in-band method is used, use DCC R or DCC M As the physical channel of the management communication network (MCN), DCC M Or other reserved overhead bytes in the STM-N frame structure are used as the physical channel of the signaling communication network (SCN), which can easily realize the compatibility between ASON DCN and DCN in the traditional SDH network, and the ECC pro...

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PUM

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Abstract

The invention relates to a device and a method for constructing a management communication network (MCN) and a signaling communication network (SCN) based on an inband mode. DCC bytes and other reserved overhead bytes in an STM-N frame structure are adopted as a physical passage of a data communication network (DCN) for transmitting management plane information and control plane information, wherein, the physical passage of the MCN of the management plane can be a DCCR (D1 to D3 bytes in an RSOH) or a DCCM (D4 to D12 bytes in an MSOH); and the physical passage of the SCN of the control plane can be a DCCM or other reserved overhead bytes in the STM-N frame structure. Compared with an inband DCN method which only adopts an ECC passage to achieve an Automatic Switch Optical Network (ASON), the bandwidth of the ASON DCN is expanded, thereby enhancing the network performance of the ASON DCN.

Description

technical field [0001] The invention relates to optical communication technology, in particular to a device and method for constructing a management communication network and a signaling communication network. Background technique [0002] As the next generation network in the field of transmission, the emergence of intelligent optical network is undoubtedly a major turning point in the history of optical communication development. Compared with the traditional SDH technology, the new intelligent optical network technology not only solves the problem of dynamic allocation of network bandwidth caused by the uncertainty of traffic itself, but also improves the reliability and survivability of the network in an all-round way, providing The development of the Internet brings vitality. Since commercially available ASON equipment is basically based on SDH technology, when the DCN in the ASON network adopts the in-band mode, not only can the existing transmission plane channel be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04L12/56H04Q3/00H04Q11/00H04L12/939
Inventor 陈永洲杨虎林
Owner FENGHUO COMM SCI & TECH CO LTD