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Device and method for compatibly realizing grouping transmission service and time division multiplexing (TDM) service

A technology of packet transmission and time division multiplexing, which is applied in time division multiplexing systems, multiplexing communication, hybrid switching systems, etc., can solve problems such as cost increase, and achieve cost saving effects

Active Publication Date: 2010-01-06
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for a period of time in the future, packet transmission services and traditional TDM services will exist in the metropolitan area network; correspondingly, PTN equipment and TDM equipment will also exist at the same time. In this way, using different equipment to realize different services will inevitably lead to increased costs

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  • Device and method for compatibly realizing grouping transmission service and time division multiplexing (TDM) service
  • Device and method for compatibly realizing grouping transmission service and time division multiplexing (TDM) service
  • Device and method for compatibly realizing grouping transmission service and time division multiplexing (TDM) service

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Embodiment Construction

[0042] Before explaining the technical scheme of the present invention in detail, first briefly introduce the packet transmission service and the TDM service. The packet transmission service refers to the service transmitted by the PTN, and the TDM service refers to the service transmitted by the TDM network. In addition, the PTN can transmit TDM services and IP / Ethernet services in packets, that is, the packet transmission services include TDM services and IP / Ethernet services, and the TDM services transmitted by PTN packets are called TDM emulation services herein, because the focus of the present invention is Simultaneously realize TDM simulation service and traditional TDM service, and through the following description, those skilled in the art should be able to deduce how PTN transmits IP / Ethernet service from the process of how PTN transmits TDM simulation service, so the present invention only transmits TDM with PTN The business process is taken as an example to describ...

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Abstract

The invention discloses a device for compatibly realizing a grouping transmission service and a time division multiplexing (TDM) service, comprising an incoming TDM interface processing unit, an emulation processing unit, an exchange processing unit, a grouping transmission processing unit, an emulation processing unit and an outgoing TDM interface processing unit. The incoming TDM interface processing unit is used for transmitting a de-encapsulated TDM frame payload to the emulation processing unit; the emulation processing unit is used for transmitting an emulated and encapsulated TDM emulation frame to the exchange processing unit; the exchange processing unit is used for transmitting the TDM emulation frame to the grouping transmission processing unit or the emulation processing unit which corresponds to a target outgoing interface; the grouping transmission processing unit is used for encapsulating and processing the TDM emulation frame into a grouping transmission frame and transmitting the grouping transmission frame to a grouping transmission network; the emulation processing unit is used for transmitting a peeled, emulated and emulated TDM frame payload to the outgoing TDM interface processing unit; and the outgoing TDM interface processing unit is used for encapsulating and mapping the TDM frame payload into a TDM frame which corresponds to a type of the target outgoing interface and transmitting the TDM frame to a TDM network. The invention also discloses a device for compatibly realizing the grouping transmission service and a TDM service.

Description

technical field [0001] The present invention relates to a packet transmission network (PTN, Packet Transmission Network) and a time division multiplexing (TDM, Time Division Multiplexing) network, in particular to a device and method for compatible realization of packet transmission service and TDM service. Background technique [0002] The Internet Protocol (IP) of business and the packetization of transmission will become the main line of future network evolution. In terms of MAN, the PTN technology combining transmission and data capabilities will open up the future of IP business transmission. [0003] PTN supports a variety of bidirectional point-to-point connection channels based on packet switching services, and has end-to-end networking capabilities suitable for various coarse-grained services. Management and maintenance (OAM) ensures that the network has protection switching, error detection, and channel monitoring capabilities; the network management system can co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/64H04J3/16
Inventor 马玉霞
Owner ZTE CORP
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