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Port congestion management method and device

A management method and port technology, applied in the network field, can solve the problem that high-priority message cache cannot be well guaranteed, and achieve the effect that it is not easy to discard

Inactive Publication Date: 2016-07-27
HUAWEI TECH CO LTD
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  • Description
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Problems solved by technology

[0010] The purpose of the embodiment of the present invention is to provide a port congestion management method and device to solve the problem that the cache of high priority messages cannot be well guaranteed

Method used

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  • Port congestion management method and device
  • Port congestion management method and device

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, 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 making creative efforts belong to the protection scope of the present invention.

[0047] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0048] refer to image 3 As shown, before a new packet enters the queue, it is first judged whether the shared buffer resource for this port is full. If it is already full, the new packet cannot enter the queue and can only be discarded. If there are enough cache resources to enqueue a new message, it will be...

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Abstract

Embodiments of the invention disclose a port congestion management method and device, which solve a problem that buffering of high-priority packets cannot be greatly guaranteed. The port congestion management method comprises the steps: monitoring the size of idle buffering resources in a shared buffering resource aiming at a port, and when the size of the idle buffering resources is smaller than a buffering congestion threshold, determining at least one non-empty queue corresponding to the port; according to the priority respectively corresponding to the at least one non-empty queue, sorting the at least one non-empty queue, thereby obtaining a non-empty queue sorting result; according to the non-empty queue sorting result, screening at least one target queue from the at least one non-empty queue from low priority to high priority; and releasing a buffering resource respectively occupied by the at least one message included in each target queue.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a port congestion management method and device. Background technique [0002] With the rapid growth of Internet data flow requirements, network bandwidth resources are limited, and congestion management becomes more and more important. Congestion management refers to how to manage and control when network congestion occurs. The method of congestion management is to use queue technology. The specific process includes the creation of queues, classification of packets, sending packets to different queues, and queue scheduling. When there is no congestion on the port, the packet will be sent out immediately after arriving at the port; when the packet arrival speed exceeds the packet sending speed of the port, the port will be congested. Congestion management will classify these packets and send them to different queues, while queue scheduling will process packets with different pr...

Claims

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Application Information

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IPC IPC(8): H04L12/865H04L12/801H04L47/6275
CPCH04L47/10H04L47/6275
Inventor 吴锡攸滕焕勇游泳王俊华
Owner HUAWEI TECH CO LTD
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