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Message forwarding method and device

A message forwarding and service message technology, applied in the field of communications, can solve problems such as limited storage space, inability to store VXLAN IP addresses and MAC addresses, and inability to meet the needs of data interaction between different VMs, improving flexibility and saving storage space Effect

Active Publication Date: 2020-06-02
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, on the basis of the continuous improvement of the virtualization degree of physical servers, the number of VMs that can be virtualized by physical servers continues to increase, and the storage space of ARP entries of VTEP is limited, which cannot store the IP addresses and MAC addresses of all VMs in VXLAN. , when the number of VMs is large, it cannot meet the needs of data interaction between different VMs

Method used

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Embodiment Construction

[0093] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0094] figure 1 is a schematic structural diagram of a message forwarding system 10 provided by an embodiment of the present invention, see figure 1 , the message forwarding system 10 may include at least one physical server 101 , at least one replacement device 102 , conversion control device 103 , gateway 104 and at least one switch 105 .

[0095] Wherein, both the replacement device 102 and the conversion control device 103 may be implemented by a hardware structure, or by an application program, which is not limited in this embodiment of the present invention.

[0096] When both the replacement device 102 and the conversion control device 103 are realized by a hardware structure, the replacement device 102 and the conversion contr...

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Abstract

The invention discloses a message forwarding method and device and belongs to the technical field of communication. The method comprises the steps of acquiring a first business message sent by a firstVM (Virtual Machine) in a first physical server; acquiring a label of a second VM according to a destination IP address in the first business message; replacing destination address information in thefirst business message through adoption of address information of a second physical server when the second VM is located in a local network; and adding the label of the second VM to obtain a second business message and sending the second business message to the second physical server. According to the method and the device, the destination address information in the first business message is replaced, the message is sent to the second physical server in which the second VM is located, an ARP (Address Resolution Protocol) table item of a corresponding network device only needs to guarantee that a route between the physical servers is reachable and does not need to store the address information of the VM does, the storage space of the ARP table item of the network device is saved, a data interaction demand between different VMs is satisfied, and the data interaction flexibility between different VMs is improved.

Description

technical field [0001] The invention relates to the technical field of communications, in particular to a message forwarding method and device. Background technique [0002] With the development of computer virtualization technology, a physical server can be virtualized into multiple virtual machines (English: Virtual Machine; VM for short). Each VM can be regarded as an independent virtual server, which has an Internet Protocol (English: Internet Protocol; abbreviation: IP) address and media access control (English: medium accesscontrol; abbreviation: MAC) address. Only IP address and MAC address can exchange data. [0003] In the prior art, virtual extensible local area network (English: Virtual eXtensible LAN; abbreviation: VXLAN) technology is usually used to exchange data between different VMs. In the communication system for data exchange through VXLAN technology, it usually includes: source VM, The source physical server where the source VM resides, the source VXLAN...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L29/12
CPCH04L12/4641H04L61/103
Inventor 江琳莉
Owner HUAWEI TECH CO LTD
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