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Message forwarding method, system and device

A message forwarding and message technology, applied in the field of data transmission, can solve the problems of complex processing steps, reduced forwarding efficiency of IB-Eth gateway, and large consumption of CPU processing time of IB-Eth gateway.

Active Publication Date: 2007-09-12
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, when forwarding the IPoIB message, the IB-Eth gateway needs to search the destination IP address to the destination Ethernet address handle. Reduce the forwarding efficiency of the IB-Eth gateway
Especially when a large number of such IPoIB packets need to be forwarded, it will lead to a sharp decline in the forwarding performance of the IB-Eth gateway

Method used

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  • Message forwarding method, system and device
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  • Message forwarding method, system and device

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Embodiment Construction

[0065] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0066] When the IB-Eth gateway initializes the IPoIB driver module, the IPoIB driver module will create an IPoIB interface for each broadcast domain, that is, for each virtual local area network identifier (VLAN ID). For the convenience of subsequent description, this article will create such an interface as the IPoIB main interface. Each IPoIB main interface will bind a queue pair number (QPN) defined by IB, and also bind information such as Qkey, Pkey, and LID, and form a link-layer unicast MAC address with the global identifier (GID). The structure of the MAC address is shown in FIG. 4 , and the length is 20 bytes, including a 24-bit QPN and a 128-bit GID. Each IPoIB master interface joins its corresponding broadcast domain and uses the same GID. A...

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Abstract

The invention provides a message transmitting method, comprising: building IPoIB subinterfaces under IPoIB master interface of IB-Eth gateway, where an IPoIB subinterface is bound with an Ethernet interface IP address and Ethernet address handle corresponding to the IP address; IB side sends IP message, which is to be sent to the Ethernet interface or other equipment through the Ethernet interface, to the IPoIB subinterface bound with the Ethernet interface IP address; the IPoIB subinterface receives the IP message and then transmits the IP message to the corresponding Ethernet interface to an Ethernet interface IP address that it is bound with. In addition, the invention provides a message transmitting system and device. And the invention can save the processing time for message transmission on IB-Eth gateway, speeding up message transmission and thus raising the message transmitting efficiency of the IB-Eth gateway.

Description

technical field [0001] The invention relates to the field of data transmission, in particular to a message forwarding method, system and equipment. Background technique [0002] IB (Infiniband) is a channel-based I / O system using a switch structure, which is mainly used for communication in the server field, including communication between servers, servers and storage devices, and servers and networks. The protocol for transmitting IP packets over IB (IPoIB, IP over Infiniband) is a protocol developed to achieve compatibility between Infiniband networks and Transmission Control Protocol (TCP) / Internet Protocol (IP) networks. It describes the transmission of IP packets through Infiniband, Make the host with the host channel adapter (HCA) card, ie the IB host, access the Internet (Internet) by means of the IPoIB protocol. IPoIB carries IP packets through the Unreliable Data Packet (UD) transport layer protocol of the Infiniband system, and encapsulates TCP / IP data packets on ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/66H04L29/06H04L29/10H04L12/28H04L12/701
Inventor 赵汉表郑炜
Owner NEW H3C TECH CO LTD
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