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System and method for crossed scheduling

A technology of cross-scheduling and packet switching, applied in the field of communication

Active Publication Date: 2010-07-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0013] The present invention provides a cross-scheduling system and method to solve the problems caused by packetization and de-packetization of low-order services in the prior art The problem of large-capacity business data cache

Method used

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Embodiment Construction

[0044] The specific implementation manners of the present invention will be described below in conjunction with the accompanying drawings.

[0045] Based on packet switching, the present invention realizes the high-order crossover function of SDH / SONET business by packet switching, and at the same time realizes the low-order crossover function of SDH / SONET business by time slot switching. This structure is simple to realize and combines time slot switching The characteristics of packet switching not only ensure that the system can provide complete data exchange functions, but also provide high-performance business scheduling capabilities for SDH / SONET high- and low-order services.

[0046] As shown in Figure 3, it is a schematic structural diagram of the cross-dispatching system of the present invention's solution 1. As can be seen from the figure, the cross-dispatching system of the present invention includes the following structure:

[0047] The SDH / SONET receiving unit 101 ...

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Abstract

The system comprises: SDH / SONET receiving / transmitting unit for transmitting and receiving SDH / SONET service, data receiving / transmitting unit for receiving and transmitting data service, high level service grouping / de-grouping unit, low level cross-processing unit, and high level cross-processing unit. The invention uses the time slot exchange for low level server to ensure the time delay performance of low level service, and uses service schedule function of packet switch to ensure the support to high traffic data service.

Description

technical field [0001] The present invention relates to the field of communication, in particular to a system and method for cross scheduling based on packet switching in optical communication. Background technique [0002] In modern communication systems, the amount of information transmitted is increasing day by day. The development of the Public Switched Telephone Network (PSTNPublic Switch Telephone Network) has promoted the transmission network from the PDH Pseudo-Synchronous Digital Hierarchy era to the Synchronous Digital Hierarchy / Synchronous Optical Network (SDH / SONET Synchronous Digital Hierarchy / Synchronous Optical Network ) Era of evolution, SDH / SONET adapts to the needs of voice services marked by time slot switching with its strict synchronous time division system, unified multiplexing and demultiplexing process and rich management overhead. However, in recent years, with the vigorous development of the Internet, the traffic volume of data services marked by p...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q11/04
Inventor 王步云何建飞
Owner HUAWEI TECH CO LTD
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