Message forwarding method and device

A message forwarding and message technology, applied in the field of communication, can solve the problem of consuming address resources and achieve the effect of saving address resources

Pending Publication Date: 2020-06-19
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in practical applications, there may be dozens to hundreds of VMs on a VCPE, and each VM needs to establish a VXLAN tunnel. In this way, the controller needs to allocate a lot of IP addresses and MAC addresses, which consumes a lot of addresses. resource

Method used

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  • Message forwarding method and device

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0021] In order to save address resources, in the embodiment of the present application, the controller in the NFV network allocates the same IP address and MAC address for the vSwitch and multiple VMs in the VCPE in the NFV network, that is, shares one IP address and MAC address; and, The controller assigns different UDP port numbers to the VMs in the VCPE and sends them to the peer device of the VCPE. The peer device can be a CPE or a VCPE. Different VMs in the VCPE belong to diffe...

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Abstract

The invention provides a message forwarding method and device. The method is applied to a virtual switch in a VCPE in an NFV network. The VCPE further comprises a plurality of VMs. Each VM and the virtual switch share an IP address and an MAC address; different VXLANs belong to different VXLANs, UDP port numbers corresponding to different VMs are different, a VXLAN tunnel is established between each VM and at least one VM in opposite-end client equipment CPE or opposite-end VCPE in an NFV network, and the method comprises the following steps: receiving a message; when the destination MAC address of the message is the MAC address of the message itself, determining whether the message is a VXLAN message according to a protocol field in an IP header of the message; and if yes, forwarding themessage to a target device corresponding to the target UDP port number in the UDP header of the message for processing. A large number of address resources can be saved.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a message forwarding method and device. Background technique [0002] In a network function virtualization (Network Function Virtualization, NFV) network, such as figure 1 As shown, the virtual customer premise equipment (Virtual Customer Premise Equipment, VCPE) includes multiple virtual machines (Virtual Machine, VM) and a virtual switch (virtual Switch, vSwitch), such as VM1-VMn, and the controllers are VM1-VMn respectively. VMn and vSwitch are assigned different IP addresses and MAC addresses, and each VM belongs to a different VXLAN. [0003] VCPE and customer premise equipment (Customer Premise Equipment, CPE) are used as the VXLAN tunnel endpoint (VXLAN Tunnel End Point, VTEP) in the network, and each VM needs to establish a scalable virtual local area network (Virtual eXtensible LAN, VXLAN) tunnel with the CPE independently , to achieve tenant iso...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/911H04L12/931H04L29/06
CPCH04L12/4641H04L49/70H04L12/4633H04L47/825H04L69/18
Inventor 雷昭燕
Owner NEW H3C TECH CO LTD
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