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Method for releasing invalid-occupied resource and storage converter

A store-and-forward and resource technology, applied in the field of communication

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

AI Technical Summary

Problems solved by technology

[0012] The object of the present invention is to provide a method and a storage and forwarding device for releasing invalidly occupied resources. In case of an exception, in order to realize the recovery of occupied resources, CPU participation is required, or high-level software needs to be run for processing, etc.

Method used

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  • Method for releasing invalid-occupied resource and storage converter
  • Method for releasing invalid-occupied resource and storage converter
  • Method for releasing invalid-occupied resource and storage converter

Examples

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Embodiment Construction

[0039] For a data communication chip with a "store-and-forward" structure, when the link of some output ports is suddenly interrupted during its operation (such as disconnection of the network cable, sudden power failure, and the user does not follow the prescribed procedures to go offline, etc.), this When there are already some buffer resources or queue resources allocated to the output port in the chip, these resources are called invalidly occupied resources, if these resources are released in time, the limited resources can be fully utilized, and if It is more ideal to be able to release invalidly occupied resources in time without the participation of the CPU or the participation of high-level software.

[0040] The present invention provides a first embodiment, which is a method for timely releasing invalidly occupied resources without the participation of CPU or high-level software. Its core is to set a timer corresponding to each output port, and when the sending manage...

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Abstract

This invention relates to the method and store - and-forward device which can release void occupation resource. The core is: when detect there is no data message sent on the output end, it will start the timer which is set on the corresponding output end to record time; when the record time of the timer reaches regular cycle, it will release void occupation resource. Through this invention, when the work of output end is abnormal, it will not only release the allocation of resource timely, and it needn't the CPU participation and software running.

Description

technical field [0001] The present invention relates to the communication field, in particular to store and forward technology. Background technique [0002] The "store-and-forward" structure shown in Figure 1 is usually used in the data communication chip, which includes a receiving management module, a buffer module for message data, a forwarding processing module and a sending management module. The receiving management module includes at least one receiving port, and the sending management module includes at least one output port, and an output queue corresponding to the output port. [0003] When performing data communication, the receiving management module receives the message data completely through each receiving port, and then applies for the corresponding cache resource to the message data cache module, if the corresponding cache resource cannot be applied for, it will receive The received message data is discarded; if the corresponding cache resource can be appl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/54
Inventor 谭锐王万万付红松杨瀚清
Owner HUAWEI TECH CO LTD
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