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Pocket add-drop multiplexer and data transmission method thereof

A data transmission method and add-drop multiplexing technology, which is applied in the data transmission field of packet add-drop multiplexing equipment and packet add-drop multiplexing equipment, can solve the problems of complex implementation and incomplete quality of service, and achieve simple logic , the effect of simple structure

Inactive Publication Date: 2010-06-23
HUAWEI TECH CO LTD
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  • Claims
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Problems solved by technology

[0005] However, the RPR technology also has limitations in its application. The RPR technology is a connectionless technology and cannot fully preserve the Quality of Service (hereinafter referred to as: QoS); in its dynamic bandwidth assignment (Dynamic Bandwidth Assignment, hereinafter referred to as : DBA), a distributed fair control algorithm is adopted, which requires each node to know all network topologies and process all algorithms, and the implementation is very complicated

Method used

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  • Pocket add-drop multiplexer and data transmission method thereof
  • Pocket add-drop multiplexer and data transmission method thereof
  • Pocket add-drop multiplexer and data transmission method thereof

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Embodiment Construction

[0037] The embodiment of the present invention proposes a packet add / drop multiplexing device with connection and high QoS capability, which forms a transmission container (Transmission Container, hereinafter referred to as T- CONT) data packets can be conveniently added-drop multiplexed in the form of packets at the transmission side; a method for centralized processing in a ring network based on the packet add-drop multiplexing device to implement DBA at the transmission side is also proposed.

[0038] The ring network structure applied in the embodiment of the present invention, as well as the passive optical network (Passive Optical Network, hereinafter referred to as: PON) and DBA technology are firstly introduced below.

[0039] The structure diagram of the ring network network of the present invention is as follows figure 1As shown, multiple network elements are connected in a ring through line interfaces, and the nodes of each network element on the ring network consti...

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Abstract

The embodiment of the invention relates to a pocket add-drop multiplexer and a data transmission method thereof. The pocket add-drop multiplexer comprises a line interface unit including a first line interface and a second line interface, a dispatching unit used for dispatching data frames of an input and transmission side and sending the data frames of the input and transmission side through the second line interface, and a tributary unit used for capsulating received data into a third transmission container data pocket and sending the third transmission container data pocket to the dispatching unit or used for encapsulating a first transmission container data pocket sent by the dispatching unit to restore data. The pocket add-drop multiplexer and the data transmission method thereof take the transmission container data pockets of the transmission side as a pocket add-drop multiplexing structure of a pocket dispatching entity; and the data pocket has the advantages of simple structure, self-synchronizing capability and simple logic when processed.

Description

technical field [0001] The invention relates to the technical field of mobile communication, in particular to a packet add-drop multiplexing device and a data transmission method of the packet add-drop multiplexing device. Background technique [0002] The concept of Add-Drop Multiplexer (ADD / DROP Multiplexer, hereinafter referred to as: ADM) was first realized by Synchronous Digital Hierarchy / Synchronous Optical Network (Synchronous Digital Hierarchy / Synchronous Optical Network, hereinafter referred to as: SDH / SONET) technology, which is based on time division A crossover matrix of a multiplexing (Time Division Multiplex, hereinafter referred to as: TDM) circuit is used to implement add (ADD) and drop (DROP) functions of data services. With the development of data services, SDH has evolved to an SDH-based multi-service transport platform (Multi-Service Transport Platform, hereinafter referred to as: MSTP), and data services are adapted to virtual transport channels (Virtual...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04J14/02H04Q11/00
Inventor 邹世敏
Owner HUAWEI TECH CO LTD
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