Telemetry method and device

A telemetry device and message technology, applied in the field of network communication, can solve problems such as limited data plane processing capability and ASIC chips that cannot support INT

Active Publication Date: 2020-12-29
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, for the switching equipment in the data center network, the data plane processing capability of the application specific integrated circuit (ASIC: Application Specific Integrated Circuit) chip used for data plane processing is limited, so that the ASIC chip cannot support INT and cannot be used in the data center network. Implement INT between switching devices

Method used

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  • Telemetry method and device
  • Telemetry method and device

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Embodiment Construction

[0038] In a data center network, if you need to know the network status between two switching devices such as delay, the common way is to execute INT between the two switching devices to obtain the network status between the two switching devices, such as Delay etc.

[0039] However, as described in the background art, the ASIC chip used for data plane processing on the switching device has limited data plane processing capability and cannot support INT.

[0040] Based on this, in this application, INT has been improved, and the improvement is mainly reflected in:

[0041] 1. In the switching device as the starting point of INT, the ASIC chip of the switching device no longer executes INT alone, but the ASIC chip of the switching device and the Field Programmable Gate Array (FPGA: Field Programmable Gate Array) of the switching device cooperate to execute INT INT, and when the ASIC chip cooperates with the FPGA to execute INT, it no longer uses the original received message, ...

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Abstract

The present application provides telemetry methods and devices. In this application, the switching device as the INT starting point device constructs a message based on the original message through the ASIC chip, and executes INT based on the constructed message, which has no effect on the forwarding of the original message; further , the switching device as the starting point of INT adds INT header and INT Metadata information to the structured message through the cooperation of ASIC chip and FPGA to realize INT, instead of adding INT header and INT Metadata information by ASIC chip alone to realize INT, to prevent the defect that ASIC chips cannot support INT due to limited data plane processing capabilities; realize INT between switching devices in the data center network.

Description

technical field [0001] The present application relates to network communication technology, in particular to a telemetry (Telemetry) method and device. Background technique [0002] Telemetry is a technology that transmits the short-distance measurement value of the target object to a long-distance measurement station to achieve long-distance measurement. Telemetry technology is a new type of technology with good integration performance, good tracking performance and remote control performance. Its application is very extensive. [0003] In network applications, telemetry provides great convenience for network maintenance and diagnosis. At present, there are also some drafts for the telemetry function, which define the metadata (Meatadata) and the carrying mode of the telemetry message. [0004] Telemetry is subdivided into in-band telemetry (INT: In-band Telemetry). INT is a framework designed to collect and report network status. INT is implemented through the data pla...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/733H04L12/741H04L12/911H04L29/06H04L45/122H04L45/74
CPCH04L45/20H04L45/745H04L47/826H04L63/101
Inventor 宋高敖襄桥乔剡李佳高瑞昌
Owner NEW H3C TECH CO LTD
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