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Accurate measurement of distributed counters

A distributed, counter-valued technology, used in digital transmission systems, data exchange networks, electrical components, etc.

Active Publication Date: 2016-10-12
MARVELL ASIA PTE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When several links are grouped together as a Link Aggregation Group (LAG) to form logical links on different packet processors, or when a multipath routing protocol is deployed, to obtain transmission and reception for logical links Accurate counter values ​​for grouping are challenging

Method used

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  • Accurate measurement of distributed counters
  • Accurate measurement of distributed counters
  • Accurate measurement of distributed counters

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0021] figure 1 A diagram illustrating a computer network 100 according to an embodiment of the present disclosure is shown. exist figure 1 In , Node A 110 and Node B 120 are packet switching systems that forward packets based on the destination address and other information carried in the packets. In one example, the packet switching system is a rack-based switch or router that includes multiple distributed line cards or switch modules mounted in a rack, and each line card or switch module includes multiple distributed devices, such as figure 1 The devices shown in 114-116 and 124-126. In an example, multiple distributed devices are respectively stored in a switch module. In another example, multiple distributed devices are distributed among multiple switch modules. In one embodiment, the distributed device is a packet processor. In various embodiments, the packet processor is implemented by a general purpose processor, application specific integrated circuit (ASIC), ...

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PUM

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Abstract

Aspects of the disclosure provide a method for collecting distributed counter values in a packet- switched system having multiple distributed packet processors. The method includes receiving a probe packet at a packet processor, storing a counter value corresponding to a flow processed by the packet processor for subsequent delivery to a management controller, and forwarding the probe packet to a next packet processor. The next packet processor stores a counter value of the next packet processor for subsequent delivery to the management controller.

Description

[0001] Cross References to Related Applications [0002] This disclosure claims the benefit of US Provisional Application No. 61 / 922,990, filed January 2, 2014, entitled "Accurate measurement of distributed counters," which is hereby incorporated by reference in its entirety. Background technique [0003] The background description provided herein is for the purpose of generally presenting the context of the disclosure. To the extent of the work described in this Background section, and to the extent that the description does not otherwise constitute prior art at the time of filing, the work of the present inventors is neither expressly nor implicitly admitted to form Published prior art. [0004] Several types of counters exist in distributed equipment in packet switching systems, such as chassis-based switches or routers. Obtaining accurate counter values ​​from those distributed counters helps in monitoring operations. For example, frame loss measurement is a mechanism ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26H04L45/243
CPCH04L43/0829H04L43/0876H04L43/10H04L45/44H04L45/245
Inventor T·米兹拉希Z·L·施米洛维希G·纳沃恩
Owner MARVELL ASIA PTE LTD