Adaptation method in use for syncretizing plesiochronous digital hierarchy or synchronous optical network

A synchronous digital system, quasi-synchronous digital technology, applied in transmission systems, electrical components, etc.

Inactive Publication Date: 2006-02-01
邓里文
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Problems solved by technology

[0011] The purpose of the present invention is to design a new type of quasi-synchronous digital system and synchronous digital system or synchronous optical network fusion method for the deficiencies and defects of the existing adaptation method for the fusion of quasi-synchronous digital system and synchronous digital system or synchronous optical network The adaptation method, on the one hand, can solve the defects and deficiencies in the existing quasi-synchronous digital system and SDH/SONET adaptation method, and realize the direct adaptation of the quasi-synchronous digital system and the synchronous digital sy

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  • Adaptation method in use for syncretizing plesiochronous digital hierarchy or synchronous optical network
  • Adaptation method in use for syncretizing plesiochronous digital hierarchy or synchronous optical network
  • Adaptation method in use for syncretizing plesiochronous digital hierarchy or synchronous optical network

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Embodiment Construction

[0113] The method provided by the present invention is mainly used for any communication equipment containing PDH, SDH / SONET interface such as various routers (core or high-end switching routers, edge or convergence switching routers, access switching routers), various communication devices based on packet (packet) switching. A variety of high / medium / low-end Ethernet switches, multi-service transport platforms (abbreviated as MSTP), SDH / SONET transmission equipment, wavelength division multiplexing systems (abbreviated as WDM), integrated access equipment for clients, voice switches and Various interconnected and interoperable devices related to communication. Figure 14 An example of the application of the PDH circuit simulation signal proposed by the present invention running on SDH / SONET, wherein the adapter represents the adapter that adopts the integration of PDH defined by the present invention and the synchronous digital system or synchronous optical network, and ADM rep...

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Abstract

New layer of data link layer protocol - data link procedure (DLP) is introduced in the invention to realize syncretizing adaptation between PDH and SDH / SONET in order to overcome shortage of current adaptation technique including too many process layers, not matched interface speed, not supporting dynamic bandwidth allocation based on packets, and not compatible to IP and packet voice service etc. The method realizes interconnection of interfaces between PDH interfaces in low speed and SDH / SONET interfaces in high speed directly, and dynamic bandwidth allocation, and realizes compatibilities as described above. Using safety mechanism, network control management mechanism, flow management mechanism provided by DLP realizes security management, control management and flow management, and realizes united transmission and exchange. The method makes current communication network transits to united telecom public network in next generation smoothly.

Description

field of invention [0001] The invention belongs to the field of quasi-synchronous digital system data transmission, and it is an adaptation method for the fusion of quasi-synchronous digital system and synchronous digital system or synchronous optical network, specifically a method for synchronous digital system (abbreviated as SDH) Or the method of transmitting quasi-synchronous digital hierarchy (PDH) on a synchronous optical network (abbreviated as SONET), which is mainly used for any communication equipment containing PDH, SDH / SONET interfaces, such as various routers (core or high-end switching routers, Edge or aggregation switching routers, access switching routers), various high / medium / low-end Ethernet switches based on packet (packet) switching, multi-service transport platform (abbreviated as MSTP), SDH / SONET transmission equipment, WDM Multiplexing system (abbreviated as WDM in English), integrated access equipment at the user end, voice switch and various interconne...

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Application Information

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IPC IPC(8): H04L29/08
Inventor 邓里文
Owner 邓里文
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