Telemetry method and apparatus

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

Active Publication Date: 2018-07-06
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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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 apparatus

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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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PUM

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Abstract

The invention provides a telemetry method and apparatus. In the invention, a switching device serving as an INT starting point device constructs a message on the basis of the original message throughan ASIC chip, and executes INT on the basis of the constructed message, which has no influence on the forwarding of the original message; further, the switching device serving as the INT starting point device adds an INT header and INT Metadata information to the constructed message through the mutual cooperation of the ASIC chip and an FPGA so as to achieve the INT, the INT header and the INT Metadata information are not separately added by the ASIC chip to achieve the INT, thereby preventing the defect that the ASIC chip cannot support the INT due to the limited data plane processing capability; and the INT is implemented between the switching devices in a 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 Applications(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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