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Method, switching device and system for forwarding messages in NVMe over Fabric

A technology for exchanging equipment and messages, which is applied in the information field and can solve problems such as message forwarding failures

Active Publication Date: 2017-05-17
XFUSION DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a method, switching device and system for forwarding messages in NVMe over Fabric to solve the problem of message forwarding failure caused by device names

Method used

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  • Method, switching device and system for forwarding messages in NVMe over Fabric
  • Method, switching device and system for forwarding messages in NVMe over Fabric
  • Method, switching device and system for forwarding messages in NVMe over Fabric

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Embodiment Construction

[0059] Embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0060] In addition, the terms "first" and "second" in the embodiments of the present invention are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features.

[0061] figure 1 It is a schematic diagram of an implementation manner in which a host Host and a storage device Target are connected through a switching device in the prior art. figure 1 In the example, the switching device 101 is connected to the Host 102, the Host 103 and the Target 104 respectively. Host 102 is connected to switching device 101 through port 1, Host 103 is connected to switching device 101 through port 2, and switching device 101 is connected to Target 1...

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PUM

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Abstract

The invention provides a method, switching device and system for forwarding messages in NVMe over Fabric so as to solve the problem that as device names are the same but connection ports are different, message forwarding fails. According to the switching device and method, when a message needing to be forwarded is received, a device name contained in the message needing to be forwarded is acquired, and whether a record of the acquired device name exists in a domain name service list or not is judged; if yes, whether a connection port corresponding to the device name in the record is a port for the switching device to receive the message needing to be forwarded is judged; if not, the message needing to be forwarded is discarded. In this way, the problem that when different devices use the same device name to forward messages through different connection ports on a switching device, a message forwarding error is caused can be avoided.

Description

technical field [0001] The present invention relates to the field of information technology, in particular to a non-volatile memory standard (English: Non-Volatile Memory Express, NVMe) on a network (English: fabric), a method for forwarding messages in NVMe over Fabric, and a switching device and system. Background technique [0002] NVMe specifies a transmission mechanism between an NVMe device and a host connected by a Peripheral Component Interconnect Express (PCIe) bus. [0003] After the released NVMe standard of the PCIe architecture has achieved great success in the industry, the industry soon hopes to extend the NVMe standard to the field of data centers. However, limited by the defects of the PCIe protocol itself in the data center field (scalability, long-distance connection, etc.), the industry is promoting the operation of the NVMe protocol on the network to provide more flexible and wider applications. The network that the NVMe protocol runs includes but is n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/741H04L12/933H04L12/935H04L12/947H04L29/12H04L45/74H04L49/111
CPCH04L45/745H04L49/10H04L49/252H04L49/30H04L61/4511
Inventor 李宇涛
Owner XFUSION DIGITAL TECH CO LTD
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