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Service transport system, equipment and method

A service transmission and service technology, applied in the field of network communication, can solve problems such as complex network structure and large number of access layer devices, and achieve the effect of saving costs and protecting existing investments

Active Publication Date: 2010-12-22
HUAWEI TEHCHNOLOGIES CO LTD
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  • Claims
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Problems solved by technology

However, under normal circumstances, the number of devices at the access layer is huge, the network structure is complex, and the access layer pays more attention to the cost of network construction. It will be a long process to completely transform the devices at the access layer into dual-plane devices for packet switching and TDM switching. process

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  • Service transport system, equipment and method
  • Service transport system, equipment and method

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] Services of TDM systems such as SDH and MSTP (hereinafter referred to as "TDM services") mainly include EOS services and other types of TDM services. The invention focuses on solving the intercommunication between the EOS service and the packet switching core. Hereinafter, other types of TDM services (such as voice services, etc.) other than EOS services are referred to as "non-EOS services".

[0024] figure 1 is a schematic block diagram show...

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Abstract

The embodiment of the invention provides service transport system, equipment and method. The service transport system comprises the service transport equipment and a packet switching core, wherein the service transport equipment is used for receiving an SDH (Synchronous Digital Hierarchy) line signal from access layer equipment of a TDM (Time Division Multiplexing) switching network, converting the SDH line signal into TDM service, separating the TDM service into EOS (End of Signaling) service and non-EOS service, then converting the EOS service into packet service corresponding to the packet switching core and sending the packet service to the packet switching core; and the packet switching core is used for receiving the packet service and sending the packet service to convergence layer equipment of a packet switching network. The embodiment of the invention realizes the communication of the pocket service between the packet switching network and the TDM switching network without modifying the access layer equipment, thereby saving the cost.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of network communication, and more specifically, to a service transmission method, device and system of a packet switching network and a time division multiplexing (Time Division Multiplexing, TDM) switching network. Background technique [0002] With the development of communication services, users have higher and higher requirements for network bandwidth. Traditional connection-oriented TDM switching equipment, such as Synchronous Digital Hierarchy (SDH), Multi-Service Transmission Platform (Multi-Service Transmission Platform; MSTP) and other equipment, are difficult to meet the needs of operators. Therefore, the packet transmission network ( Packet Transport Network, PTN) equipment came into being. In the PTN equipment, the business is transmitted in the form of packets, which is difficult to interoperate with the original transmission equipment. There are currently two networ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04L12/56H04L29/06
Inventor 周民杨龙徐明陈丽霞
Owner HUAWEI TEHCHNOLOGIES CO LTD
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