Method for ISCSI data to traverse NAT and inner network memory system

A storage system and intranet technology, applied in the storage field, can solve the problems of establishing ISCSI connections, unable to perform data interaction, and not providing solutions.

Inactive Publication Date: 2008-12-17
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the development of business, clients of the external network may need to access the storage system of the internal network. At this time, since the external network does not have an IP route directly reaching the internal network, the client of the external network cannot establish a connection with the storage system of the internal network. ISCSI connection, so data interaction cannot be performed
The prior art does not provide a solution for this aspect

Method used

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  • Method for ISCSI data to traverse NAT and inner network memory system
  • Method for ISCSI data to traverse NAT and inner network memory system
  • Method for ISCSI data to traverse NAT and inner network memory system

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Embodiment Construction

[0047] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0048] In order to realize the ISCSI data interaction between the external network client and the internal network storage system, the embodiment of the present invention sets a NAT device between the external network client and the internal network storage system to participate in the ISCSI data transmission.

[0049] image 3 An exemplary flow chart of the method for ISCSI data traversing NAT provided by the present invention. Such as image 3 As shown, the method includes the following steps:

[0050] Step 301: the intranet storage system establishes a correspondence between the external network IP address of the NAT device and the target in the intranet storage system.

[0051] Step 302: In the ISCSI DISCOVERY stage, after receiving the ISCSI text message from the external network client requesting target information, the internal network storage sy...

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Abstract

The invention discloses a data traversing NAT method for an internet small computer system interface ISCSI, applied in network disposing NAT apparatus between an external network client terminal and an internal network storage system. The method includes: the internal network storage system establishing a corresponding relationship between the external network IP address of NAT apparatus and the object side of the internal network storage system; the internal network storage system, according to the corresponding relationship, determining the external network IP address of NAT apparatus corresponding to the target to be requested, after receiving ISCSI packet of external network client terminal request target information; and taking the determined NAT apparatus external network IP address as the target address of the target to be requested, to return back to the external network client terminal. The invention also discloses an internal network storage system. The invention can realize ISCSI data interaction between the external network client terminal and the internal network storage system.

Description

technical field [0001] The invention relates to the field of storage technology, in particular to a method for Internet Small Computer System Interface (ISCSI, Internet Small Computer System Interface) data to traverse NAT (Network Address Translation, Network Address Translation) and an intranet storage system. Background technique [0002] Internet Small Computer System Interface (ISCSI, Internet Small Computer System Interface) is a small computer system interface (SCSI, Small Computer System Interface) transmission protocol based on Transmission Control Protocol / Internet Protocol (TCP / IP, Transport Control Protocol / Internet Protocol). The transmission protocol uses TCP / IP to encapsulate and reliably transmit SCSI commands between the client and the storage system. [0003] figure 1 For a typical application environment of the ISCSI protocol, such as figure 1 shown. The client needs to install an ISCSI initiator (initiator) module, and the storage system needs to integ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L29/12H04L29/06
Inventor 郑萍萍周迪
Owner NEW H3C TECH CO LTD
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