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Buffer statistics tracking

A technology of statistical data and buffer, applied in the field of packet switching network

Inactive Publication Date: 2014-02-12
BROADCOM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for large networks with hundreds (or even thousands) of switches, the amount of data being polled is staggering and reviewing large amounts of data can be a daunting task

Method used

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Embodiment Construction

[0030] Typically, in packet-switched networks, switches maintain buffer statistics that can be polled by network administrators. Thus, when a switch encounters a problem (for example, the queue length becomes too long), the network administrator can poll buffer statistics from the problem switch to isolate the problem and take remedial action. Unfortunately, by the time the buffer statistics are polled, a problem (such as network congestion) has arisen and the task of the network administrator at this point is to simply fix the problem (reroute network traffic to other switches).

[0031] Alternatively, to avoid these problems, network administrators can periodically poll buffer statistics. In short, by reviewing buffer statistics, network administrators can reallocate available resources to prevent problems. However, for large networks with hundreds (or even thousands) of switches, the amount of data being polled is staggering and reviewing large amounts of data can be a dau...

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Abstract

The systems and methods disclosed herein allow for a switch (in a packet-switching network) to track buffer statistics, and trigger an event, such as a hardware interrupt or a system snapshot, in response to the buffer statistics reaching a threshold that may indicate an impending problem. Since the switch itself triggers the event to alert the network administrator, the network administrator no longer needs to sift through mountains of data to identify potential problems. Also, since the switch triggers the event prior to a problem arising, the network administrator can provide remedial action prior to a problem occurring. This type of event-triggering mechanism makes the administration of packet-switching networks more manageable.

Description

technical field [0001] The present invention relates generally to packet switched networks, and more particularly to systems and methods for tracking buffer statistics of switches. Background technique [0002] Typically, in packet-switched networks, switches maintain buffer statistics that can be polled by network administrators. As a result, network administrators can periodically poll buffer statistics from these switches to identify any potential issues that require network administrator attention. Alternatively, the network administrator would poll buffer statistics in response to problems occurring with a particular switch. However, for large networks with hundreds (or even thousands) of switches, the amount of data being polled is staggering and reviewing large amounts of data can be a daunting task. Contents of the invention [0003] According to an aspect of the invention there is provided a method in a switch having a buffer, the method comprising: (a) determin...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26
CPCH04L41/0681H04L43/08H04L47/10H04L49/90
Inventor 布鲁斯·关普尼特·阿加瓦尔布拉德·马修斯其他发明人请求不公开姓名
Owner BROADCOM CORP