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Operator's boundary notes, virtual special LAN service communication method and system

An operator boundary, virtual private technology, applied in the field of virtual private network, can solve the problems of reduced network resource utilization, reduced PE processing capacity, and reduced user network security, etc., to improve utilization, improve processing capacity, and improve security. sexual effect

Inactive Publication Date: 2007-03-14
HUAWEI TECH CO LTD
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Problems solved by technology

[0009] It can be seen from the above that if multiple user networks access the VPLS network through the QinQ protocol interface, and each user network has a large number of users, the PE needs to copy a large number of packets to each user during broadcast processing. However, only a very small part of these packets is useful, which will reduce the utilization rate of network resources and reduce the processing capability of PEs; User VLAN information reduces the security of the user network

Method used

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  • Operator's boundary notes, virtual special LAN service communication method and system
  • Operator's boundary notes, virtual special LAN service communication method and system
  • Operator's boundary notes, virtual special LAN service communication method and system

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Embodiment Construction

[0051] The present invention is an operator border node, virtual private area network service communication method and system. In order to make the purpose, technical solution, and advantages of the present invention clearer, the following describes the present invention in detail with reference to the accompanying drawings and examples.

[0052] The carrier border node provided by the present invention is firstly introduced, see FIG. 2 .

[0053] As shown in Figure 2, the operator border node provided by the present invention includes a message receiving unit 201, a message parsing unit 202, a forwarding information adding unit 203, an in-network message forwarding unit 204, a forwarding information searching unit 205, an external report Text forwarding unit 206; wherein:

[0054] A message receiving unit, configured to receive a message in QinQ format;

[0055] The received message can come from inside the VPLS network or from outside the VPLS network; the message from the ...

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Abstract

This invention discloses one operator boundary point, virtual special local network communication method and system, wherein the method comprises the following steps: symmetric interfacing virtual special local network service user point to entrance operator by QinQ form type to analyze message two layers of head and common labels; according to analysis head part and common label adding relative transfer information in self MAC transfer list and sending the message tot eh operator boundary point; exit operator boundary point receives message to analyze label and sends the message to user point; user boundary point analyzes private network label.

Description

technical field [0001] The invention relates to a virtual private network technology, in particular to an operator border node, a virtual private local area network service communication method and a system. Background technique [0002] Virtual private LAN service VPLS (Virtual Private LAN Service) is a layer-2 virtual private network VPN (Virtual Private Network) technology based on multi-protocol label switching MPLS (Multi Protocol Label Switch) and Ethernet technology. Geographically dispersed points are connected to the network at the same time and can access each other, just as these points are directly connected to the local area network. VPLS extends the user's local area network to the metropolitan area network, or even the wide area network. [0003] In VPLS, in order to forward packets, the provider edge node PE (provider edge device) needs to establish a MAC forwarding table by learning the MAC (Media Access Control) address of the source of the packet. Each P...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L45/80
Inventor 俞致伟
Owner HUAWEI TECH CO LTD
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