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System and method for crossed scheduling

A cross-scheduling and packet-switching technology, applied in the field of communications, can solve problems such as large-capacity business data buffering, and achieve the effect of ensuring delay performance, avoiding double business bus problems, and ensuring support.

Active Publication Date: 2007-06-20
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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  • System and method for crossed scheduling
  • System and method for crossed scheduling

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Embodiment Construction

[0045] The specific embodiments of the present invention will be described below with reference to the drawings in the specification.

[0046] The present invention is based on packet switching, realizes the high-order crossover function of SDH / SONET service by packet switching, and realizes the low-order crossover function of SDH / SONET service by time slot exchange at the same time. This structure is simple to realize and combines time slot exchange at the same time. The characteristics of packet switching and packet switching not only ensure that the system can provide complete data switching functions, but also provide high-performance service scheduling capabilities for SDH / SONET high- and low-level services.

[0047] As shown in Figure 3, it is a schematic structural diagram of the cross-scheduling system of the first solution of the present invention. It can be seen from the figure that the cross-scheduling system of the present invention includes the following structure:

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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 cross-scheduling system and method 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 Switch Telephone Network (PSTNPublic Switch Telephone Networ) has promoted the transmission network from the era of PDH Pseudo-Synchronous Digital Hierarchy to SDH / SONET Synchronous Digital Hierarchy / Synchronous Optical Network. ) With the evolution of the times, SDH / SONET has adapted to the needs of voice services marked by time slot exchange with its strict synchronization time division system, unified multiplexing and demultiplexing process and rich management overhead. But in recent years, with the vigorous development of the Internet, it has led to an explosive increase in data service traffic marked by packet switching. Since packet ...

Claims

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Application Information

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