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Message transmitting method and message transmitting equipment

A message forwarding and message technology, applied in the field of communication, to achieve the effect of simple, fast and effective support

Active Publication Date: 2015-05-20
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to solve the problem that the private network address cannot be isolated through VNI in the existing Overlay service chain network, the present invention proposes a message forwarding method to enable SF nodes to effectively distinguish and process overlapping address messages. Applied to an Overlay service chain network including a service function chain SFC proxy node and a service function SF node, the method includes:

Method used

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  • Message transmitting method and message transmitting equipment
  • Message transmitting method and message transmitting equipment
  • Message transmitting method and message transmitting equipment

Examples

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Embodiment Construction

[0039] As mentioned in the background technology, in the existing Layer 2 VPN network using the Overlay service chain network, when overlapping addresses between tenants are isolated through VxLAN, since the SF node does not support Overlay, it is impossible to isolate different addresses through VNI information. private address. The present invention is based on the realization mechanism of the Overlay service chain, and realizes that the SF node can support multi-tenant address overlap by improving the SFC proxy node.

[0040] like figure 1 As shown, it is a schematic flow chart of a message forwarding method proposed by the present invention. In order to realize that a SF node processes messages from multiple overlapping addresses in the present invention, the service function chain SFC in the Overlay service chain network in advance The interface used to connect to the DS-Lite tunnel is configured between the proxy node and the service function SF node. The subsequent SFC...

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Abstract

The invention discloses a message transmitting method. The message transmitting method comprises the following steps: connecting an SFC (Service Function Chain) agent node in Overlay service chain networking with an SF (Service Function) node through a DS-Lite tunnel; when the SFC agent node receives a to-be-processed message transmitted by an SFF (Service Function Forwarder) node, generating a B4 side address according to VNI (VXLAN Identification) information and service chain header information, and establishing the DS-Lite tunnel between the SFC agent node and the SF node; then carrying out DS-Lite tunnel packaging processing on a first original message to generate a packaged message and sending the packaged message to the SF node through the DS-Lite tunnel, thus generating the packaged message capable of being normally identified by the SF node. The message transmitting method simply and quickly realizes effective support of the SF node in a service chain for tenant address overlapping.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a message forwarding method. The invention also relates to a message forwarding device. Background technique [0002] With the popularization of Layer 2 VPN (Virtual Private Network, virtual private network) technology, it has been widely used in data center networks at present. As a layer 2 VPN technology based on IP network using "MAC (Media Access Control, Media Access Control) in UDP (User Datagram Protocol, User Datagram Protocol)" encapsulation form, VXLAN (Virtual eXtensible Local Area Network, Scalable virtual local area network) can provide Layer 2 interconnection function for scattered physical sites based on the existing service provider or enterprise IP (Internet Portal, network protocol) network. VXLAN uses 24 bits to identify Layer 2 network segments, thereby solving the problem of insufficient VLAN resources in traditional Layer 2 networks while realizing l...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L29/12
Inventor 温卫真
Owner NEW H3C TECH CO LTD
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